]> git.openfabrics.org - ~shefty/rdma-dev.git/commitdiff
Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 22 Nov 2011 16:22:48 +0000 (08:22 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 22 Nov 2011 16:22:48 +0000 (08:22 -0800)
* 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux:
  writeback: remove vm_dirties and task->dirties
  writeback: hard throttle 1000+ dd on a slow USB stick
  mm: Make task in balance_dirty_pages() killable

306 files changed:
Documentation/ABI/testing/sysfs-block
Documentation/DocBook/uio-howto.tmpl
Documentation/blockdev/cciss.txt
Documentation/networking/ip-sysctl.txt
Documentation/serial/serial-rs485.txt
Documentation/sound/alsa/HD-Audio.txt
MAINTAINERS
arch/arm/boot/Makefile
arch/arm/include/asm/hardware/cache-l2x0.h
arch/arm/include/asm/mach/arch.h
arch/arm/include/asm/unistd.h
arch/arm/kernel/calls.S
arch/arm/kernel/head.S
arch/arm/kernel/machine_kexec.c
arch/arm/kernel/setup.c
arch/arm/mach-bcmring/core.c
arch/arm/mach-bcmring/dma.c
arch/arm/mach-shmobile/pm-sh7372.c
arch/arm/mach-w90x900/dev.c
arch/arm/mach-w90x900/include/mach/mfp.h
arch/arm/mach-w90x900/include/mach/nuc900_spi.h
arch/arm/mach-w90x900/mfp.c
arch/cris/arch-v10/drivers/Kconfig
arch/cris/arch-v32/drivers/Kconfig
arch/powerpc/Kconfig
arch/powerpc/Makefile
arch/powerpc/include/asm/atomic.h
arch/powerpc/include/asm/bitops.h
arch/powerpc/include/asm/futex.h
arch/powerpc/include/asm/kvm.h
arch/powerpc/include/asm/kvm_book3s.h
arch/powerpc/include/asm/reg_booke.h
arch/powerpc/include/asm/sections.h
arch/powerpc/include/asm/synch.h
arch/powerpc/kernel/entry_32.S
arch/powerpc/kernel/jump_label.c
arch/powerpc/kernel/kvm.c
arch/powerpc/kernel/misc_32.S
arch/powerpc/kernel/process.c
arch/powerpc/kernel/prom_init.c
arch/powerpc/kernel/setup_32.c
arch/powerpc/kernel/setup_64.c
arch/powerpc/kernel/signal_32.c
arch/powerpc/kernel/traps.c
arch/powerpc/kvm/book3s_hv.c
arch/powerpc/kvm/book3s_pr.c
arch/powerpc/kvm/powerpc.c
arch/powerpc/lib/feature-fixups.c
arch/powerpc/platforms/Kconfig
arch/powerpc/platforms/ps3/interrupt.c
arch/powerpc/platforms/ps3/platform.h
arch/powerpc/platforms/ps3/smp.c
arch/s390/include/asm/kvm_host.h
arch/s390/kvm/diag.c
arch/s390/kvm/intercept.c
arch/s390/kvm/interrupt.c
arch/s390/kvm/kvm-s390.c
arch/s390/kvm/priv.c
arch/s390/kvm/sigp.c
arch/sparc/include/asm/pgtable_32.h
arch/sparc/include/asm/pgtable_64.h
arch/sparc/kernel/entry.h
arch/sparc/kernel/module.c
arch/sparc/kernel/setup_64.c
arch/sparc/kernel/signal32.c
arch/sparc/kernel/signal_32.c
arch/sparc/kernel/signal_64.c
arch/sparc/kernel/sigutil_64.c
arch/sparc/mm/Makefile
arch/sparc/mm/generic_32.c [deleted file]
arch/sparc/mm/generic_64.c [deleted file]
arch/unicore32/Kconfig
arch/unicore32/Kconfig.debug
arch/unicore32/boot/compressed/Makefile
arch/unicore32/include/asm/bitops.h
arch/unicore32/include/asm/processor.h
arch/unicore32/kernel/ksyms.c
arch/unicore32/lib/findbit.S
arch/x86/include/asm/apic.h
arch/x86/include/asm/mach_traps.h
arch/x86/include/asm/mce.h
arch/x86/include/asm/mrst.h
arch/x86/include/asm/x86_init.h
arch/x86/kernel/alternative.c
arch/x86/kernel/apic/apic.c
arch/x86/kernel/apic/io_apic.c
arch/x86/kernel/cpu/mcheck/mce-inject.c
arch/x86/kernel/cpu/mcheck/mce.c
arch/x86/kernel/kvmclock.c
arch/x86/kernel/nmi.c
arch/x86/kernel/setup.c
arch/x86/kernel/x86_init.c
arch/x86/kvm/vmx.c
arch/x86/platform/mrst/mrst.c
arch/x86/um/asm/processor.h
arch/x86/xen/enlighten.c
arch/x86/xen/grant-table.c
block/blk-core.c
block/blk-map.c
block/genhd.c
drivers/base/core.c
drivers/base/node.c
drivers/base/power/clock_ops.c
drivers/base/power/main.c
drivers/base/power/qos.c
drivers/block/cciss.c
drivers/block/cciss_scsi.c
drivers/block/loop.c
drivers/block/paride/pg.c
drivers/bluetooth/btusb.c
drivers/char/random.c
drivers/devfreq/Kconfig
drivers/devfreq/devfreq.c
drivers/hwmon/Kconfig
drivers/ide/cy82c693.c
drivers/ide/icside.c
drivers/ide/piix.c
drivers/ide/triflex.c
drivers/misc/Kconfig
drivers/misc/ad525x_dpot.h
drivers/misc/carma/carma-fpga-program.c
drivers/misc/carma/carma-fpga.c
drivers/misc/pch_phub.c
drivers/misc/spear13xx_pcie_gadget.c
drivers/net/Kconfig
drivers/net/bonding/bond_sysfs.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
drivers/net/ethernet/cadence/Kconfig
drivers/net/ethernet/lantiq_etop.c
drivers/net/ethernet/marvell/sky2.c
drivers/net/ethernet/marvell/sky2.h
drivers/net/ethernet/mellanox/mlx4/en_rx.c
drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
drivers/net/ethernet/nvidia/forcedeth.c
drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c
drivers/net/ethernet/rdc/r6040.c
drivers/net/ethernet/realtek/r8169.c
drivers/net/ethernet/smsc/smsc911x.c
drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c
drivers/net/ethernet/stmicro/stmmac/stmmac.h
drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
drivers/net/ethernet/sun/sunhme.c
drivers/net/ethernet/xilinx/ll_temac_main.c
drivers/net/hippi/Kconfig
drivers/net/usb/asix.c
drivers/net/usb/cdc_ether.c
drivers/net/usb/lg-vl600.c
drivers/net/usb/smsc75xx.c
drivers/net/wireless/ath/regd.c
drivers/net/wireless/b43/xmit.c
drivers/net/wireless/b43/xmit.h
drivers/net/wireless/brcm80211/brcmsmac/dma.c
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
drivers/net/wireless/libertas/cfg.c
drivers/net/wireless/libertas/if_spi.c
drivers/net/wireless/mwifiex/scan.c
drivers/net/wireless/rt2x00/rt2800usb.c
drivers/net/wireless/rt2x00/rt2x00.h
drivers/net/wireless/rt2x00/rt2x00dev.c
drivers/net/wireless/wl12xx/scan.c
drivers/platform/x86/dell-laptop.c
drivers/rtc/rtc-puv3.c
drivers/s390/net/Kconfig
drivers/s390/net/lcs.c
drivers/s390/net/netiucv.c
drivers/s390/net/qeth_core.h
drivers/s390/net/qeth_core_main.c
drivers/s390/net/qeth_l3_main.c
drivers/s390/net/qeth_l3_sys.c
drivers/scsi/aacraid/linit.c
drivers/scsi/hpsa.c
drivers/scsi/mpt2sas/mpt2sas_scsih.c
drivers/scsi/scsi_lib.c
drivers/scsi/scsi_scan.c
drivers/spi/spi-pl022.c
drivers/staging/et131x/Kconfig
drivers/staging/et131x/et131x.c
drivers/staging/media/as102/as102_drv.c
drivers/staging/media/as102/as102_drv.h
drivers/staging/slicoss/Kconfig
drivers/tty/hvc/hvc_dcc.c
drivers/tty/serial/Kconfig
drivers/tty/serial/atmel_serial.c
drivers/tty/serial/crisv10.c
drivers/tty/serial/mfd.c
drivers/tty/serial/pch_uart.c
drivers/tty/tty_ldisc.c
drivers/usb/class/cdc-acm.c
drivers/usb/core/hub.c
drivers/usb/core/quirks.c
drivers/usb/dwc3/gadget.c
drivers/usb/gadget/Kconfig
drivers/usb/gadget/ci13xxx_msm.c
drivers/usb/gadget/ci13xxx_udc.c
drivers/usb/gadget/f_mass_storage.c
drivers/usb/gadget/f_midi.c
drivers/usb/gadget/f_phonet.c
drivers/usb/gadget/file_storage.c
drivers/usb/gadget/fsl_udc_core.c
drivers/usb/gadget/inode.c
drivers/usb/gadget/pch_udc.c
drivers/usb/gadget/r8a66597-udc.c
drivers/usb/gadget/udc-core.c
drivers/usb/host/ehci-sched.c
drivers/usb/host/ehci-xls.c
drivers/usb/host/ohci-at91.c
drivers/usb/host/ohci-hcd.c
drivers/usb/host/ohci-pci.c
drivers/usb/host/ohci.h
drivers/usb/host/pci-quirks.c
drivers/usb/host/xhci-mem.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/musb/Kconfig
drivers/usb/musb/am35x.c
drivers/usb/musb/da8xx.c
drivers/usb/musb/musb_core.c
drivers/usb/musb/musb_gadget.c
drivers/usb/renesas_usbhs/common.c
drivers/usb/renesas_usbhs/fifo.c
drivers/usb/renesas_usbhs/mod.h
drivers/usb/renesas_usbhs/mod_gadget.c
drivers/usb/renesas_usbhs/mod_host.c
drivers/usb/serial/ark3116.c
drivers/usb/serial/ftdi_sio.c
drivers/usb/serial/option.c
drivers/usb/serial/pl2303.c
drivers/usb/serial/pl2303.h
drivers/usb/storage/ene_ub6250.c
drivers/usb/storage/protocol.c
drivers/xen/balloon.c
drivers/xen/gntalloc.c
drivers/xen/gntdev.c
drivers/xen/xenbus/xenbus_client.c
fs/bio.c
fs/btrfs/super.c
fs/ceph/dir.c
fs/ceph/inode.c
fs/ceph/super.c
fs/dcache.c
fs/ext4/balloc.c
fs/ext4/inode.c
fs/ext4/super.c
fs/minix/bitmap.c
fs/minix/inode.c
fs/minix/minix.h
fs/namespace.c
fs/nfs/super.c
fs/xfs/xfs_qm.c
include/linux/bio.h
include/linux/ceph/osd_client.h
include/linux/device.h
include/linux/fs.h
include/linux/genhd.h
include/linux/hugetlb.h
include/linux/inet_diag.h
include/linux/kvm.h
include/linux/pm.h
include/linux/pm_runtime.h
include/linux/serial.h
include/linux/vmalloc.h
include/net/bluetooth/l2cap.h
include/net/cfg80211.h
include/xen/platform_pci.h
kernel/irq/spurious.c
kernel/power/hibernate.c
kernel/power/main.c
mm/backing-dev.c
mm/nommu.c
mm/vmalloc.c
net/bluetooth/hci_conn.c
net/bluetooth/l2cap_core.c
net/bridge/br_multicast.c
net/ceph/osd_client.c
net/ipv4/ah4.c
net/ipv4/inet_diag.c
net/ipv4/ip_options.c
net/ipv4/ping.c
net/ipv4/route.c
net/ipv4/tcp_ipv4.c
net/ipv4/tcp_output.c
net/ipv6/ah6.c
net/ipv6/ip6_input.c
net/ipv6/ip6_tunnel.c
net/l2tp/l2tp_core.c
net/mac80211/mlme.c
net/mac80211/rx.c
net/mac80211/sta_info.c
net/mac80211/util.c
net/rds/Kconfig
net/wireless/nl80211.c
net/wireless/reg.c
net/wireless/scan.c
security/keys/encrypted-keys/Makefile
security/keys/encrypted-keys/encrypted.c
security/keys/encrypted-keys/encrypted.h
security/smack/smackfs.c
sound/pci/hda/hda_eld.c
sound/pci/hda/hda_local.h
sound/pci/hda/patch_cirrus.c
sound/pci/hda/patch_hdmi.c
sound/pci/hda/patch_realtek.c
sound/pci/hda/patch_sigmatel.c

index 2b5d56127fce4d7f9a6f83b535cdfcf469f83e0b..c1eb41cb9876083d3df79a6a995b692762acd21b 100644 (file)
@@ -206,16 +206,3 @@ Description:
                when a discarded area is read the discard_zeroes_data
                parameter will be set to one. Otherwise it will be 0 and
                the result of reading a discarded area is undefined.
-What:          /sys/block/<disk>/alias
-Date:          Aug 2011
-Contact:       Nao Nishijima <nao.nishijima.xt@hitachi.com>
-Description:
-               A raw device name of a disk does not always point a same disk
-               each boot-up time. Therefore, users have to use persistent
-               device names, which udev creates when the kernel finds a disk,
-               instead of raw device name. However, kernel doesn't show those
-               persistent names on its messages (e.g. dmesg).
-               This file can store an alias of the disk and it would be
-               appeared in kernel messages if it is set. A disk can have an
-               alias which length is up to 255bytes. Users can use alphabets,
-               numbers, "-" and "_" in alias name. This file is writeonce.
index 54883de5d5f9b598ab981de82269c908dec86114..ac3d0018140cd34cd7dd242334de64713406c6b6 100644 (file)
@@ -520,6 +520,11 @@ Here's a description of the fields of <varname>struct uio_mem</varname>:
 </para>
 
 <itemizedlist>
+<listitem><para>
+<varname>const char *name</varname>: Optional. Set this to help identify
+the memory region, it will show up in the corresponding sysfs node.
+</para></listitem>
+
 <listitem><para>
 <varname>int memtype</varname>: Required if the mapping is used. Set this to
 <varname>UIO_MEM_PHYS</varname> if you you have physical memory on your
@@ -553,7 +558,7 @@ instead to remember such an address.
 </itemizedlist>
 
 <para>
-Please do not touch the <varname>kobj</varname> element of
+Please do not touch the <varname>map</varname> element of
 <varname>struct uio_mem</varname>! It is used by the UIO framework
 to set up sysfs files for this mapping. Simply leave it alone.
 </para>
index 71464e09ec1841a39f031d972b281488e5d703af..b79d0a13e7cddf2512ef29069d60a54bf0399b02 100644 (file)
@@ -98,14 +98,12 @@ You must enable "SCSI tape drive support for Smart Array 5xxx" and
 "SCSI support" in your kernel configuration to be able to use SCSI
 tape drives with your Smart Array 5xxx controller.
 
-Additionally, note that the driver will not engage the SCSI core at init 
-time.  The driver must be directed to dynamically engage the SCSI core via 
-the /proc filesystem entry which the "block" side of the driver creates as 
-/proc/driver/cciss/cciss* at runtime.  This is because at driver init time, 
-the SCSI core may not yet be initialized (because the driver is a block 
-driver) and attempting to register it with the SCSI core in such a case 
-would cause a hang.  This is best done via an initialization script 
-(typically in /etc/init.d, but could vary depending on distribution). 
+Additionally, note that the driver will engage the SCSI core at init
+time if any tape drives or medium changers are detected.  The driver may
+also be directed to dynamically engage the SCSI core via the /proc filesystem
+entry which the "block" side of the driver creates as
+/proc/driver/cciss/cciss* at runtime.  This is best done via a script.
+
 For example:
 
        for x in /proc/driver/cciss/cciss[0-9]*
index cb7f3148035dbeaabbcc514ddf53705733321d66..f049a1ca186fbf6eb5e55ed9eb3a65bb8601b1f8 100644 (file)
@@ -20,7 +20,7 @@ ip_no_pmtu_disc - BOOLEAN
        default FALSE
 
 min_pmtu - INTEGER
-       default 562 - minimum discovered Path MTU
+       default 552 - minimum discovered Path MTU
 
 route/max_size - INTEGER
        Maximum number of routes allowed in the kernel.  Increase
index 079cb3df62cf6ff9908bebe493344d1cfdd99846..41c8378c0b2fb9ee86d3a781e8aaff6cad33ff9a 100644 (file)
 
        struct serial_rs485 rs485conf;
 
-       /* Set RS485 mode: */
+       /* Enable RS485 mode: */
        rs485conf.flags |= SER_RS485_ENABLED;
 
+       /* Set logical level for RTS pin equal to 1 when sending: */
+       rs485conf.flags |= SER_RS485_RTS_ON_SEND;
+       /* or, set logical level for RTS pin equal to 0 when sending: */
+       rs485conf.flags &= ~(SER_RS485_RTS_ON_SEND);
+
+       /* Set logical level for RTS pin equal to 1 after sending: */
+       rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
+       /* or, set logical level for RTS pin equal to 0 after sending: */
+       rs485conf.flags &= ~(SER_RS485_RTS_AFTER_SEND);
+
        /* Set rts delay before send, if needed: */
-       rs485conf.flags |= SER_RS485_RTS_BEFORE_SEND;
        rs485conf.delay_rts_before_send = ...;
 
        /* Set rts delay after send, if needed: */
-       rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
        rs485conf.delay_rts_after_send = ...;
 
        /* Set this flag if you want to receive data even whilst sending data */
index 03e2771ddeef53545357cc4bfbde29a378f9206d..91fee3b45fb80f75ac406dfbba093f1f49a418c1 100644 (file)
@@ -579,7 +579,7 @@ Development Tree
 ~~~~~~~~~~~~~~~~
 The latest development codes for HD-audio are found on sound git tree:
 
-- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6.git
+- git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git
 
 The master branch or for-next branches can be used as the main
 development branches in general while the HD-audio specific patches
@@ -594,7 +594,7 @@ is, installed via the usual spells: configure, make and make
 install(-modules).  See INSTALL in the package.  The snapshot tarballs
 are found at:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/
+- ftp://ftp.suse.com/pub/people/tiwai/snapshot/
 
 
 Sending a Bug Report
@@ -696,7 +696,7 @@ via hda-verb won't change the mixer value.
 
 The hda-verb program is found in the ftp directory:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 Also a git repository is available:
 
@@ -764,7 +764,7 @@ operation, the jack plugging simulation, etc.
 
 The package is found in:
 
-- ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/misc/
+- ftp://ftp.suse.com/pub/people/tiwai/misc/
 
 A git repository is available:
 
index 7f6bc290d455e050241bc63e55c1896f40e8de0a..3523ab000f1f9a261efcb2ec983201e6f7270bee 100644 (file)
@@ -1789,6 +1789,14 @@ F:       include/net/cfg80211.h
 F:     net/wireless/*
 X:     net/wireless/wext*
 
+CHAR and MISC DRIVERS
+M:     Arnd Bergmann <arnd@arndb.de>
+M:     Greg Kroah-Hartman <greg@kroah.com>
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
+S:     Maintained
+F:     drivers/char/*
+F:     drivers/misc/*
+
 CHECKPATCH
 M:     Andy Whitcroft <apw@canonical.com>
 S:     Supported
@@ -1927,10 +1935,11 @@ S:      Maintained
 F:     drivers/connector/
 
 CONTROL GROUPS (CGROUPS)
-M:     Paul Menage <paul@paulmenage.org>
+M:     Tejun Heo <tj@kernel.org>
 M:     Li Zefan <lizf@cn.fujitsu.com>
 L:     containers@lists.linux-foundation.org
 L:     cgroups@vger.kernel.org
+T:     git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
 S:     Maintained
 F:     include/linux/cgroup*
 F:     kernel/cgroup*
@@ -2585,7 +2594,7 @@ S:        Maintained
 F:     drivers/net/ethernet/i825xx/eexpress.*
 
 ETHERNET BRIDGE
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     bridge@lists.linux-foundation.org
 L:     netdev@vger.kernel.org
 W:     http://www.linuxfoundation.org/en/Net:Bridge
@@ -3719,7 +3728,7 @@ F:        fs/jbd2/
 F:     include/linux/jbd2.h
 
 JSM Neo PCI based serial card
-M:     Breno Leitao <leitao@linux.vnet.ibm.com>
+M:     Lucas Tavares <lucaskt@linux.vnet.ibm.com>
 L:     linux-serial@vger.kernel.org
 S:     Maintained
 F:     drivers/tty/serial/jsm/
@@ -4472,7 +4481,7 @@ S:        Supported
 F:     drivers/infiniband/hw/nes/
 
 NETEM NETWORK EMULATOR
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     netem@lists.linux-foundation.org
 S:     Maintained
 F:     net/sched/sch_netem.c
@@ -4949,7 +4958,7 @@ F:        drivers/char/ppdev.c
 F:     include/linux/ppdev.h
 
 PARAVIRT_OPS INTERFACE
-M:     Jeremy Fitzhardinge <jeremy@xensource.com>
+M:     Jeremy Fitzhardinge <jeremy@goop.org>
 M:     Chris Wright <chrisw@sous-sol.org>
 M:     Alok Kataria <akataria@vmware.com>
 M:     Rusty Russell <rusty@rustcorp.com.au>
@@ -5987,7 +5996,7 @@ S:        Maintained
 F:     drivers/usb/misc/sisusbvga/
 
 SKGE, SKY2 10/100/1000 GIGABIT ETHERNET DRIVERS
-M:     Stephen Hemminger <shemminger@linux-foundation.org>
+M:     Stephen Hemminger <shemminger@vyatta.com>
 L:     netdev@vger.kernel.org
 S:     Maintained
 F:     drivers/net/ethernet/marvell/sk*
@@ -7401,8 +7410,8 @@ S:        Maintained
 F:     arch/x86/kernel/cpu/mcheck/*
 
 XEN HYPERVISOR INTERFACE
-M:     Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
 M:     Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
+M:     Jeremy Fitzhardinge <jeremy@goop.org>
 L:     xen-devel@lists.xensource.com (moderated for non-subscribers)
 L:     virtualization@lists.linux-foundation.org
 S:     Supported
@@ -7435,7 +7444,8 @@ F:        drivers/xen/*swiotlb*
 
 XFS FILESYSTEM
 P:     Silicon Graphics Inc
-M:     Alex Elder <aelder@sgi.com>
+M:     Ben Myers <bpm@sgi.com>
+M:     Alex Elder <elder@kernel.org>
 M:     xfs-masters@oss.sgi.com
 L:     xfs@oss.sgi.com
 W:     http://oss.sgi.com/projects/xfs
index 176062ac7f07305014357372c42285ff07a09c68..5df26a9976a26c10ddfcf0f788302dd2caeb8769 100644 (file)
@@ -65,6 +65,8 @@ $(obj)/%.dtb: $(src)/dts/%.dts
 
 $(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
 
+clean-files := *.dtb
+
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
                   -C none -a $(LOADADDR) -e $(STARTADDR) \
index 1db1143a94838cb92419040c40009f17d1ee2f97..7df239bcdf2745b6a3d20e5a90ed3bac27d73ecc 100644 (file)
@@ -20,6 +20,8 @@
 #ifndef __ASM_ARM_HARDWARE_L2X0_H
 #define __ASM_ARM_HARDWARE_L2X0_H
 
+#include <linux/errno.h>
+
 #define L2X0_CACHE_ID                  0x000
 #define L2X0_CACHE_TYPE                        0x004
 #define L2X0_CTRL                      0x100
index 7d19425dd496a083eb98557bafe2980843bc9fa3..2b0efc3104ac6f73846fb89cdf0761c400676540 100644 (file)
@@ -13,6 +13,7 @@
 struct tag;
 struct meminfo;
 struct sys_timer;
+struct pt_regs;
 
 struct machine_desc {
        unsigned int            nr;             /* architecture number  */
index c60a2944f95b82a0cc9d5bfea32d88c65ecb202f..4a1123783806b79ef559ed51a093353feb67070e 100644 (file)
 #define __NR_syncfs                    (__NR_SYSCALL_BASE+373)
 #define __NR_sendmmsg                  (__NR_SYSCALL_BASE+374)
 #define __NR_setns                     (__NR_SYSCALL_BASE+375)
+#define __NR_process_vm_readv          (__NR_SYSCALL_BASE+376)
+#define __NR_process_vm_writev         (__NR_SYSCALL_BASE+377)
 
 /*
  * The following SWIs are ARM private.
index 9943e9e74a1bda0b17bc6e1ee93ca3ab2b80f970..463ff4a0ec8acaa69372b8abd40a39260ee91736 100644 (file)
                CALL(sys_syncfs)
                CALL(sys_sendmmsg)
 /* 375 */      CALL(sys_setns)
+               CALL(sys_process_vm_readv)
+               CALL(sys_process_vm_writev)
 #ifndef syscalls_counted
 .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
 #define syscalls_counted
index 566c54c2a1fef28bffea090e89bcec998b73ede6..08c82fd844a8683533216048b54ff2f210729fb6 100644 (file)
@@ -360,7 +360,7 @@ __secondary_data:
  *  r13 = *virtual* address to jump to upon completion
  */
 __enable_mmu:
-#ifdef CONFIG_ALIGNMENT_TRAP
+#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
        orr     r0, r0, #CR_A
 #else
        bic     r0, r0, #CR_A
index c1b4463dcc839c781004080d7426e78771bad15a..e59bbd496c39174da0a6ee4094fe6f717df97a67 100644 (file)
@@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi;
 
 int machine_kexec_prepare(struct kimage *image)
 {
-       unsigned long page_list;
-       void *reboot_code_buffer;
-       page_list = image->head & PAGE_MASK;
-
-       reboot_code_buffer = page_address(image->control_code_page);
-
-       /* Prepare parameters for reboot_code_buffer*/
-       kexec_start_address = image->start;
-       kexec_indirection_page = page_list;
-       kexec_mach_type = machine_arch_type;
-       kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
-       /* copy our kernel relocation code to the control code page */
-       memcpy(reboot_code_buffer,
-              relocate_new_kernel, relocate_new_kernel_size);
-
-       flush_icache_range((unsigned long) reboot_code_buffer,
-                          (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
        return 0;
 }
 
@@ -100,14 +82,31 @@ void (*kexec_reinit)(void);
 
 void machine_kexec(struct kimage *image)
 {
+       unsigned long page_list;
        unsigned long reboot_code_buffer_phys;
        void *reboot_code_buffer;
 
+
+       page_list = image->head & PAGE_MASK;
+
        /* we need both effective and real address here */
        reboot_code_buffer_phys =
            page_to_pfn(image->control_code_page) << PAGE_SHIFT;
        reboot_code_buffer = page_address(image->control_code_page);
 
+       /* Prepare parameters for reboot_code_buffer*/
+       kexec_start_address = image->start;
+       kexec_indirection_page = page_list;
+       kexec_mach_type = machine_arch_type;
+       kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
+
+       /* copy our kernel relocation code to the control code page */
+       memcpy(reboot_code_buffer,
+              relocate_new_kernel, relocate_new_kernel_size);
+
+
+       flush_icache_range((unsigned long) reboot_code_buffer,
+                          (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
        printk(KERN_INFO "Bye!\n");
 
        if (kexec_reinit)
index 7e7977ab994ff92ee4ded30ee728d92ed6c3a520..3448a3f9cc8c90ae71809075f1cc9c2d313fe167 100644 (file)
@@ -461,8 +461,10 @@ static void __init setup_processor(void)
               cpu_name, read_cpuid_id(), read_cpuid_id() & 15,
               proc_arch[cpu_architecture()], cr_alignment);
 
-       sprintf(init_utsname()->machine, "%s%c", list->arch_name, ENDIANNESS);
-       sprintf(elf_platform, "%s%c", list->elf_name, ENDIANNESS);
+       snprintf(init_utsname()->machine, __NEW_UTS_LEN + 1, "%s%c",
+                list->arch_name, ENDIANNESS);
+       snprintf(elf_platform, ELF_PLATFORM_SIZE, "%s%c",
+                list->elf_name, ENDIANNESS);
        elf_hwcap = list->elf_hwcap;
 #ifndef CONFIG_ARM_THUMB
        elf_hwcap &= ~HWCAP_THUMB;
index 43eadbcc29ede940fd5c4035c2b6abacbcdb2a3b..430da120a297fe08620eaba672c65e283171bd99 100644 (file)
@@ -235,7 +235,7 @@ void __init bcmring_init_timer(void)
         */
        bcmring_clocksource_init();
 
-       sp804_clockevents_register(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
+       sp804_clockevents_init(TIMER0_VA_BASE, IRQ_TIMER0, "timer0");
 }
 
 struct sys_timer bcmring_timer = {
index b52b8de91bde72c2a4847c1a37a44f425974612d..f4d4d6d174d06e9c049756de6089e02e790abe8a 100644 (file)
@@ -36,6 +36,7 @@
 #include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/atomic.h>
+#include <linux/sched.h>
 #include <mach/dma.h>
 
 /* I don't quite understand why dc4 fails when this is set to 1 and DMA is enabled */
index 0a5b22942fd3555d38591dd7e24c0a556079b9e9..34bbcbfb1706f1b74d4d5c92965e491d32204e21 100644 (file)
@@ -20,6 +20,7 @@
 #include <linux/delay.h>
 #include <linux/irq.h>
 #include <linux/bitrev.h>
+#include <linux/console.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/tlbflush.h>
@@ -106,9 +107,8 @@ static int pd_power_down(struct generic_pm_domain *genpd)
        return 0;
 }
 
-static int pd_power_up(struct generic_pm_domain *genpd)
+static int __pd_power_up(struct sh7372_pm_domain *sh7372_pd, bool do_resume)
 {
-       struct sh7372_pm_domain *sh7372_pd = to_sh7372_pd(genpd);
        unsigned int mask = 1 << sh7372_pd->bit_shift;
        unsigned int retry_count;
        int ret = 0;
@@ -123,13 +123,13 @@ static int pd_power_up(struct generic_pm_domain *genpd)
 
        for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
                if (!(__raw_readl(SWUCR) & mask))
-                       goto out;
+                       break;
                if (retry_count > PSTR_RETRIES)
                        udelay(PSTR_DELAY_US);
                else
                        cpu_relax();
        }
-       if (__raw_readl(SWUCR) & mask)
+       if (!retry_count)
                ret = -EIO;
 
        if (!sh7372_pd->no_debug)
@@ -137,12 +137,17 @@ static int pd_power_up(struct generic_pm_domain *genpd)
                         mask, __raw_readl(PSTR));
 
  out:
-       if (ret == 0 && sh7372_pd->resume)
+       if (ret == 0 && sh7372_pd->resume && do_resume)
                sh7372_pd->resume();
 
        return ret;
 }
 
+static int pd_power_up(struct generic_pm_domain *genpd)
+{
+        return __pd_power_up(to_sh7372_pd(genpd), true);
+}
+
 static void sh7372_a4r_suspend(void)
 {
        sh7372_intcs_suspend();
@@ -174,7 +179,7 @@ void sh7372_init_pm_domain(struct sh7372_pm_domain *sh7372_pd)
        genpd->active_wakeup = pd_active_wakeup;
        genpd->power_off = pd_power_down;
        genpd->power_on = pd_power_up;
-       genpd->power_on(&sh7372_pd->genpd);
+       __pd_power_up(sh7372_pd, false);
 }
 
 void sh7372_add_device_to_domain(struct sh7372_pm_domain *sh7372_pd,
@@ -227,11 +232,23 @@ struct sh7372_pm_domain sh7372_a3sp = {
        .no_debug = true,
 };
 
+static void sh7372_a3sp_init(void)
+{
+       /* serial consoles make use of SCIF hardware located in A3SP,
+        * keep such power domain on if "no_console_suspend" is set.
+        */
+       sh7372_a3sp.stay_on = !console_suspend_enabled;
+}
+
 struct sh7372_pm_domain sh7372_a3sg = {
        .bit_shift = 13,
 };
 
-#endif /* CONFIG_PM */
+#else /* !CONFIG_PM */
+
+static inline void sh7372_a3sp_init(void) {}
+
+#endif /* !CONFIG_PM */
 
 #if defined(CONFIG_SUSPEND) || defined(CONFIG_CPU_IDLE)
 static int sh7372_do_idle_core_standby(unsigned long unused)
@@ -465,6 +482,8 @@ void __init sh7372_pm_init(void)
        /* do not convert A3SM, A3SP, A3SG, A4R power down into A4S */
        __raw_writel(0, PDNSEL);
 
+       sh7372_a3sp_init();
+
        sh7372_suspend_init();
        sh7372_cpuidle_init();
 }
index 7a1fa6adb7c32d5645b1f0e608b1e61794081afc..5b0c38abacc107a7eae8bd35ec8f03666f3422e7 100644 (file)
@@ -422,7 +422,7 @@ struct platform_device nuc900_device_kpi = {
 
 /* LCD controller*/
 
-static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
+static struct nuc900fb_display nuc900_lcd_info[] = {
        /* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
        [0] = {
                .type           = LCM_DCCS_VA_SRC_RGB565,
@@ -445,7 +445,7 @@ static struct nuc900fb_display __initdata nuc900_lcd_info[] = {
        },
 };
 
-static struct nuc900fb_mach_info nuc900_fb_info __initdata = {
+static struct nuc900fb_mach_info nuc900_fb_info = {
 #if defined(CONFIG_GPM1040A0_320X240)
        .displays               = &nuc900_lcd_info[0],
 #else
index 94c0e71617c6c3487aaf20a4f1b7bfd34023e580..23ef1f573abd3395ac872ab6b39be6bc29090a8d 100644 (file)
@@ -19,6 +19,7 @@
 extern void mfp_set_groupf(struct device *dev);
 extern void mfp_set_groupc(struct device *dev);
 extern void mfp_set_groupi(struct device *dev);
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
+extern void mfp_set_groupd(struct device *dev, const char *subname);
 
 #endif /* __ASM_ARCH_MFP_H */
index bd94819e314fed7f67173c016a00bbcfbacc38c6..2c4e0c1285010fdfee53bebeaff4cd638c50a56f 100644 (file)
@@ -14,7 +14,7 @@
 #ifndef __ASM_ARCH_SPI_H
 #define __ASM_ARCH_SPI_H
 
-extern void mfp_set_groupg(struct device *dev);
+extern void mfp_set_groupg(struct device *dev, const char *subname);
 
 struct nuc900_spi_info {
        unsigned int num_cs;
index fb7fb627b1a564ca920fdb747080988f3fb75551..9dd74612bb8707560abd06e6adc250f7ecd54bf2 100644 (file)
 #define REG_MFSEL      (W90X900_VA_GCR + 0xC)
 
 #define GPSELF         (0x01 << 1)
-
 #define GPSELC         (0x03 << 2)
-#define ENKPI          (0x02 << 2)
-#define ENNAND         (0x01 << 2)
+#define GPSELD         (0x0f << 4)
 
 #define GPSELEI0       (0x01 << 26)
 #define GPSELEI1       (0x01 << 27)
 #define GPIOG0TO1      (0x03 << 14)
 #define GPIOG2TO3      (0x03 << 16)
 #define GPIOG22TO23    (0x03 << 22)
+#define GPIOG18TO20    (0x07 << 18)
 
 #define ENSPI          (0x0a << 14)
 #define ENI2C0         (0x01 << 14)
 #define ENI2C1         (0x01 << 16)
 #define ENAC97         (0x02 << 22)
+#define ENSD1          (0x02 << 18)
+#define ENSD0          (0x0a << 4)
+#define ENKPI          (0x02 << 2)
+#define ENNAND         (0x01 << 2)
 
 static DEFINE_MUTEX(mfp_mutex);
 
@@ -127,16 +130,19 @@ void mfp_set_groupi(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupi);
 
-void mfp_set_groupg(struct device *dev)
+void mfp_set_groupg(struct device *dev, const char *subname)
 {
        unsigned long mfpen;
        const char *dev_id;
 
-       BUG_ON(!dev);
+       BUG_ON((!dev) && (!subname));
 
        mutex_lock(&mfp_mutex);
 
-       dev_id = dev_name(dev);
+       if (subname != NULL)
+               dev_id = subname;
+       else
+               dev_id = dev_name(dev);
 
        mfpen = __raw_readl(REG_MFSEL);
 
@@ -152,6 +158,9 @@ void mfp_set_groupg(struct device *dev)
        } else if (strcmp(dev_id, "nuc900-audio") == 0) {
                mfpen &= ~(GPIOG22TO23);
                mfpen |= ENAC97;/*enable AC97*/
+       } else if (strcmp(dev_id, "nuc900-mmc-port1") == 0) {
+               mfpen &= ~(GPIOG18TO20);
+               mfpen |= (ENSD1 | 0x01);/*enable sd1*/
        } else {
                mfpen &= ~(GPIOG0TO1 | GPIOG2TO3);/*GPIOG[3:0]*/
        }
@@ -162,3 +171,30 @@ void mfp_set_groupg(struct device *dev)
 }
 EXPORT_SYMBOL(mfp_set_groupg);
 
+void mfp_set_groupd(struct device *dev, const char *subname)
+{
+       unsigned long mfpen;
+       const char *dev_id;
+
+       BUG_ON((!dev) && (!subname));
+
+       mutex_lock(&mfp_mutex);
+
+       if (subname != NULL)
+               dev_id = subname;
+       else
+               dev_id = dev_name(dev);
+
+       mfpen = __raw_readl(REG_MFSEL);
+
+       if (strcmp(dev_id, "nuc900-mmc-port0") == 0) {
+               mfpen &= ~GPSELD;/*enable sd0*/
+               mfpen |= ENSD0;
+       } else
+               mfpen &= (~GPSELD);
+
+       __raw_writel(mfpen, REG_MFSEL);
+
+       mutex_unlock(&mfp_mutex);
+}
+EXPORT_SYMBOL(mfp_set_groupd);
index 32d90867a9841098177b1fd5969af784ef88ac19..5f2cdb3e428cd979601b6b15d5e04a24042c7a8e 100644 (file)
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V10
 config ETRAX_ETHERNET
        bool "Ethernet support"
        depends on ETRAX_ARCH_V10
-       select NET_ETHERNET
+       select ETHERNET
        select NET_CORE
        select MII
        help
index e47e9c3401b08bbbde729c13e626b9a91823ec18..de43aadcdbc47963cdaa63e0e522cdc171e3d432 100644 (file)
@@ -3,7 +3,7 @@ if ETRAX_ARCH_V32
 config ETRAX_ETHERNET
        bool "Ethernet support"
        depends on ETRAX_ARCH_V32
-       select NET_ETHERNET
+       select ETHERNET
        select NET_CORE
        select MII
        help
index b177caa56d95c5880f9a7d0732f1736dbb908598..951e18f5335b268965d3880881d900bed63e7356 100644 (file)
@@ -345,7 +345,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 
 config KEXEC
        bool "kexec system call (EXPERIMENTAL)"
-       depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !47x)) && EXPERIMENTAL
+       depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP && !PPC_47x)) && EXPERIMENTAL
        help
          kexec is a system call that implements the ability to shutdown your
          current kernel, and to start another kernel.  It is like a reboot
index 57af16edc19231ad0b4511f30174607a57711494..70ba0c0a1223d475cd2d2c2cdfddbf5b901a7527 100644 (file)
@@ -255,12 +255,6 @@ checkbin:
                echo 'disable kernel modules' ; \
                false ; \
        fi
-       @if ! /bin/echo dssall | $(AS) -many -o $(TOUT) >/dev/null 2>&1 ; then \
-               echo -n '*** ${VERSION}.${PATCHLEVEL} kernels no longer build ' ; \
-               echo 'correctly with old versions of binutils.' ; \
-               echo '*** Please upgrade your binutils to 2.12.1 or newer' ; \
-               false ; \
-       fi
 
 CLEAN_FILES += $(TOUT)
 
index e2a4c26ad37793874dce3902d561dd749c78681d..02e41b53488d8d8574f42c6a4e0ce1f99df9aaa8 100644 (file)
@@ -49,13 +49,13 @@ static __inline__ int atomic_add_return(int a, atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%2         # atomic_add_return\n\
        add     %0,%1,%0\n"
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -85,13 +85,13 @@ static __inline__ int atomic_sub_return(int a, atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%2         # atomic_sub_return\n\
        subf    %0,%1,%0\n"
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -119,13 +119,13 @@ static __inline__ int atomic_inc_return(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_inc_return\n\
        addic   %0,%0,1\n"
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -163,13 +163,13 @@ static __inline__ int atomic_dec_return(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_dec_return\n\
        addic   %0,%0,-1\n"
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -194,7 +194,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
        int t;
 
        __asm__ __volatile__ (
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # __atomic_add_unless\n\
        cmpw    0,%0,%3 \n\
        beq-    2f \n\
@@ -202,7 +202,7 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
        PPC405_ERR77(0,%2)
 "      stwcx.  %0,0,%1 \n\
        bne-    1b \n"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
 "      subf    %0,%2,%0 \n\
 2:"
        : "=&r" (t)
@@ -226,7 +226,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
        int t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    lwarx   %0,0,%1         # atomic_dec_if_positive\n\
        cmpwi   %0,1\n\
        addi    %0,%0,-1\n\
@@ -234,7 +234,7 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
        PPC405_ERR77(0,%1)
 "      stwcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        "\n\
 2:"    : "=&b" (t)
        : "r" (&v->counter)
@@ -285,12 +285,12 @@ static __inline__ long atomic64_add_return(long a, atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%2         # atomic64_add_return\n\
        add     %0,%1,%0\n\
        stdcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -319,12 +319,12 @@ static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%2         # atomic64_sub_return\n\
        subf    %0,%1,%0\n\
        stdcx.  %0,0,%2 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (a), "r" (&v->counter)
        : "cc", "memory");
@@ -351,12 +351,12 @@ static __inline__ long atomic64_inc_return(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_inc_return\n\
        addic   %0,%0,1\n\
        stdcx.  %0,0,%1 \n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -393,12 +393,12 @@ static __inline__ long atomic64_dec_return(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_dec_return\n\
        addic   %0,%0,-1\n\
        stdcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        : "=&r" (t)
        : "r" (&v->counter)
        : "cc", "xer", "memory");
@@ -418,13 +418,13 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
        long t;
 
        __asm__ __volatile__(
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # atomic64_dec_if_positive\n\
        addic.  %0,%0,-1\n\
        blt-    2f\n\
        stdcx.  %0,0,%1\n\
        bne-    1b"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
        "\n\
 2:"    : "=&r" (t)
        : "r" (&v->counter)
@@ -450,14 +450,14 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
        long t;
 
        __asm__ __volatile__ (
-       PPC_RELEASE_BARRIER
+       PPC_ATOMIC_ENTRY_BARRIER
 "1:    ldarx   %0,0,%1         # __atomic_add_unless\n\
        cmpd    0,%0,%3 \n\
        beq-    2f \n\
        add     %0,%2,%0 \n"
 "      stdcx.  %0,0,%1 \n\
        bne-    1b \n"
-       PPC_ACQUIRE_BARRIER
+       PPC_ATOMIC_EXIT_BARRIER
 "      subf    %0,%2,%0 \n\
 2:"
        : "=&r" (t)
index e137afcc10fae89cb0987bbe982af5653916e9e1..efdc92618b38ddfa7da075a53fb3ba93e9c71dae 100644 (file)
@@ -124,14 +124,14 @@ static __inline__ unsigned long fn(                       \
        return (old & mask);                            \
 }
 
-DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
 DEFINE_TESTOP(test_and_set_bits_lock, or, "",
              PPC_ACQUIRE_BARRIER, 1)
-DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
-DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
-             PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_ATOMIC_ENTRY_BARRIER,
+             PPC_ATOMIC_EXIT_BARRIER, 0)
 
 static __inline__ int test_and_set_bit(unsigned long nr,
                                       volatile unsigned long *addr)
index c94e4a3fe2ef3de09decfd1aa47bda3b77342f53..2a9cf845473bb51a4aea7d5317dde0a4b5ab37ed 100644 (file)
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
-       PPC_RELEASE_BARRIER \
+       PPC_ATOMIC_ENTRY_BARRIER \
 "1:    lwarx   %0,0,%2\n" \
        insn \
        PPC405_ERR77(0, %2) \
 "2:    stwcx.  %1,0,%2\n" \
        "bne-   1b\n" \
+       PPC_ATOMIC_EXIT_BARRIER \
        "li     %1,0\n" \
 "3:    .section .fixup,\"ax\"\n" \
 "4:    li      %1,%3\n" \
@@ -92,14 +93,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                return -EFAULT;
 
         __asm__ __volatile__ (
-        PPC_RELEASE_BARRIER
+        PPC_ATOMIC_ENTRY_BARRIER
 "1:     lwarx   %1,0,%3         # futex_atomic_cmpxchg_inatomic\n\
         cmpw    0,%1,%4\n\
         bne-    3f\n"
         PPC405_ERR77(0,%3)
 "2:     stwcx.  %5,0,%3\n\
         bne-    1b\n"
-        PPC_ACQUIRE_BARRIER
+        PPC_ATOMIC_EXIT_BARRIER
 "3:    .section .fixup,\"ax\"\n\
 4:     li      %0,%6\n\
        b       3b\n\
index 08fe69edcd103f7882a3e172b7c5a55764009550..0ad432bc81d66259d82e4e94f691c46e4c765555 100644 (file)
@@ -148,12 +148,6 @@ struct kvm_regs {
 #define KVM_SREGS_E_UPDATE_DEC         (1 << 2)
 #define KVM_SREGS_E_UPDATE_DBSR                (1 << 3)
 
-/*
- * Book3S special bits to indicate contents in the struct by maintaining
- * backwards compatibility with older structs. If adding a new field,
- * please make sure to add a flag for that new field */
-#define KVM_SREGS_S_HIOR               (1 << 0)
-
 /*
  * In KVM_SET_SREGS, reserved/pad fields must be left untouched from a
  * previous KVM_GET_REGS.
@@ -179,8 +173,6 @@ struct kvm_sregs {
                                __u64 ibat[8]; 
                                __u64 dbat[8]; 
                        } ppc32;
-                       __u64 flags; /* KVM_SREGS_S_ */
-                       __u64 hior;
                } s;
                struct {
                        union {
index a384ffdf33de0af850ca03f18aab3e6c36515540..d4df013ad77964353fdf5a59c8ed6afde4ed1ce2 100644 (file)
@@ -90,8 +90,6 @@ struct kvmppc_vcpu_book3s {
 #endif
        int context_id[SID_CONTEXTS];
 
-       bool hior_sregs;                /* HIOR is set by SREGS, not PVR */
-
        struct hlist_head hpte_hash_pte[HPTEG_HASH_NUM_PTE];
        struct hlist_head hpte_hash_pte_long[HPTEG_HASH_NUM_PTE_LONG];
        struct hlist_head hpte_hash_vpte[HPTEG_HASH_NUM_VPTE];
index 28cdbd9f399c70fb5b9a9adf80863ca9758e390f..03c48e819c8e3ff3bc600242dc85ef9111aca478 100644 (file)
@@ -31,7 +31,7 @@
 
 #define MSR_           MSR_ME | MSR_CE
 #define MSR_KERNEL     MSR_ | MSR_64BIT
-#define MSR_USER32     MSR_ | MSR_PR | MSR_EE | MSR_DE
+#define MSR_USER32     MSR_ | MSR_PR | MSR_EE
 #define MSR_USER64     MSR_USER32 | MSR_64BIT
 #elif defined (CONFIG_40x)
 #define MSR_KERNEL     (MSR_ME|MSR_RI|MSR_IR|MSR_DR|MSR_CE)
index 6fbce725c710f97453079205e190c02c7365cd0b..a0f358d4a00cd57ba3b22fbbf1024c7daba65fa4 100644 (file)
@@ -8,7 +8,7 @@
 
 #ifdef __powerpc64__
 
-extern char _end[];
+extern char __end_interrupts[];
 
 static inline int in_kernel_text(unsigned long addr)
 {
index d7cab44643c51d90f1f79509939e3c734b735eba..e682a7143edb767826705243df3613cc85e305ab 100644 (file)
@@ -13,6 +13,7 @@
 extern unsigned int __start___lwsync_fixup, __stop___lwsync_fixup;
 extern void do_lwsync_fixups(unsigned long value, void *fixup_start,
                             void *fixup_end);
+extern void do_final_fixups(void);
 
 static inline void eieio(void)
 {
@@ -41,11 +42,15 @@ static inline void isync(void)
        START_LWSYNC_SECTION(97);                       \
        isync;                                          \
        MAKE_LWSYNC_SECTION_ENTRY(97, __lwsync_fixup);
-#define PPC_ACQUIRE_BARRIER    "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
-#define PPC_RELEASE_BARRIER    stringify_in_c(LWSYNC) "\n"
+#define PPC_ACQUIRE_BARRIER     "\n" stringify_in_c(__PPC_ACQUIRE_BARRIER)
+#define PPC_RELEASE_BARRIER     stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_ENTRY_BARRIER "\n" stringify_in_c(LWSYNC) "\n"
+#define PPC_ATOMIC_EXIT_BARRIER         "\n" stringify_in_c(sync) "\n"
 #else
 #define PPC_ACQUIRE_BARRIER
 #define PPC_RELEASE_BARRIER
+#define PPC_ATOMIC_ENTRY_BARRIER
+#define PPC_ATOMIC_EXIT_BARRIER
 #endif
 
 #endif /* __KERNEL__ */
index 56212bc0ab087c4b40bb21df3496c89849a01f06..4f80cf1ce77b84c30e905bcb8cb8d660c005c22b 100644 (file)
@@ -215,7 +215,22 @@ reenable_mmu:                              /* re-enable mmu so we can */
        stw     r9,8(r1)
        stw     r11,12(r1)
        stw     r3,ORIG_GPR3(r1)
+       /*
+        * The trace_hardirqs_off will use CALLER_ADDR0 and CALLER_ADDR1.
+        * If from user mode there is only one stack frame on the stack, and
+        * accessing CALLER_ADDR1 will cause oops. So we need create a dummy
+        * stack frame to make trace_hardirqs_off happy.
+        */
+       andi.   r12,r12,MSR_PR
+       beq     11f
+       stwu    r1,-16(r1)
+       bl      trace_hardirqs_off
+       addi    r1,r1,16
+       b       12f
+
+11:
        bl      trace_hardirqs_off
+12:
        lwz     r0,GPR0(r1)
        lwz     r3,ORIG_GPR3(r1)
        lwz     r4,GPR4(r1)
index 368d158d665d5e44942f403d5a3710413ece52d2..a1ed8a8c7cb42c83fc61c674735f1f7d6bbe3842 100644 (file)
@@ -11,6 +11,7 @@
 #include <linux/jump_label.h>
 #include <asm/code-patching.h>
 
+#ifdef HAVE_JUMP_LABEL
 void arch_jump_label_transform(struct jump_entry *entry,
                               enum jump_label_type type)
 {
@@ -21,3 +22,4 @@ void arch_jump_label_transform(struct jump_entry *entry,
        else
                patch_instruction(addr, PPC_INST_NOP);
 }
+#endif
index 35f27646c4ff5af053313054c953000d0be64031..2985338d0e10164e3b77ab12fcc3bb755a1a6fb3 100644 (file)
@@ -132,7 +132,6 @@ static void kvm_patch_ins_b(u32 *inst, int addr)
        /* On relocatable kernels interrupts handlers and our code
           can be in different regions, so we don't patch them */
 
-       extern u32 __end_interrupts;
        if ((ulong)inst < (ulong)&__end_interrupts)
                return;
 #endif
index f7d760ab5ca1fd6851502352a7a958759c429c7f..7cd07b42ca1a505c9a9bfbb3802277336537a514 100644 (file)
@@ -738,7 +738,7 @@ relocate_new_kernel:
        mr      r5, r31
 
        li      r0, 0
-#elif defined(CONFIG_44x)  && !defined(CONFIG_47x)
+#elif defined(CONFIG_44x)  && !defined(CONFIG_PPC_47x)
 
 /*
  * Code for setting up 1:1 mapping for PPC440x for KEXEC
index 9054ca9ab4f93bcd6100cc0fcb03c7d5f4caf857..6457574c0b2f32fbaa800b11eeed0cbd8877a77e 100644 (file)
@@ -486,28 +486,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
        new_thread = &new->thread;
        old_thread = &current->thread;
 
-#if defined(CONFIG_PPC_BOOK3E_64)
-       /* XXX Current Book3E code doesn't deal with kernel side DBCR0,
-        * we always hold the user values, so we set it now.
-        *
-        * However, we ensure the kernel MSR:DE is appropriately cleared too
-        * to avoid spurrious single step exceptions in the kernel.
-        *
-        * This will have to change to merge with the ppc32 code at some point,
-        * but I don't like much what ppc32 is doing today so there's some
-        * thinking needed there
-        */
-       if ((new_thread->dbcr0 | old_thread->dbcr0) & DBCR0_IDM) {
-               u32 dbcr0;
-
-               mtmsr(mfmsr() & ~MSR_DE);
-               isync();
-               dbcr0 = mfspr(SPRN_DBCR0);
-               dbcr0 = (dbcr0 & DBCR0_EDM) | new_thread->dbcr0;
-               mtspr(SPRN_DBCR0, dbcr0);
-       }
-#endif /* CONFIG_PPC64_BOOK3E */
-
 #ifdef CONFIG_PPC64
        /*
         * Collect processor utilization data per process
@@ -657,7 +635,7 @@ void show_regs(struct pt_regs * regs)
        if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR))
                printk("CFAR: "REG"\n", regs->orig_gpr3);
        if (trap == 0x300 || trap == 0x600)
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
+#if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
                printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr);
 #else
                printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr);
index b4fa66127495286aa6d4e7030480492f2b6bf90b..cc584865b3df537d7c50cfb2bda9d87a6ed24f85 100644 (file)
@@ -1579,10 +1579,8 @@ static void __init prom_instantiate_rtas(void)
                return;
 
        base = alloc_down(size, PAGE_SIZE, 0);
-       if (base == 0) {
-               prom_printf("RTAS allocation failed !\n");
-               return;
-       }
+       if (base == 0)
+               prom_panic("Could not allocate memory for RTAS\n");
 
        rtas_inst = call_prom("open", 1, 1, ADDR("/rtas"));
        if (!IHANDLE_VALID(rtas_inst)) {
index c1ce86357ecb4a3a47411c18e6fe88cfd5c07d8b..ac761081511355ee68854ee02ade12f17ef93e18 100644 (file)
@@ -107,6 +107,8 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
                         PTRRELOC(&__start___lwsync_fixup),
                         PTRRELOC(&__stop___lwsync_fixup));
 
+       do_final_fixups();
+
        return KERNELBASE + offset;
 }
 
index 1a9dea80a69b46a42b9df6ed4ce4d45f385abb85..fb9bb46e7e881a584c1532a6768622395a5045be 100644 (file)
@@ -359,6 +359,7 @@ void __init setup_system(void)
                          &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
        do_lwsync_fixups(cur_cpu_spec->cpu_features,
                         &__start___lwsync_fixup, &__stop___lwsync_fixup);
+       do_final_fixups();
 
        /*
         * Unflatten the device-tree passed by prom_init or kexec
index 78b76dc54dfb27847a24228e1bac2e2ef804354a..836a5a19eb2c3a3e45d5cab542fdb7138a8142bd 100644 (file)
@@ -97,7 +97,7 @@ static inline int put_sigset_t(compat_sigset_t __user *uset, sigset_t *set)
        compat_sigset_t cset;
 
        switch (_NSIG_WORDS) {
-       case 4: cset.sig[5] = set->sig[3] & 0xffffffffull;
+       case 4: cset.sig[6] = set->sig[3] & 0xffffffffull;
                cset.sig[7] = set->sig[3] >> 32;
        case 3: cset.sig[4] = set->sig[2] & 0xffffffffull;
                cset.sig[5] = set->sig[2] >> 32;
index 4e5908264d1a98819a6713fe23f4d5a23032db41..5459d148a0f6d792fd457bd55e2105788057169b 100644 (file)
@@ -1298,14 +1298,12 @@ void __kprobes DebugException(struct pt_regs *regs, unsigned long debug_status)
 
                if (user_mode(regs)) {
                        current->thread.dbcr0 &= ~DBCR0_IC;
-#ifdef CONFIG_PPC_ADV_DEBUG_REGS
                        if (DBCR_ACTIVE_EVENTS(current->thread.dbcr0,
                                               current->thread.dbcr1))
                                regs->msr |= MSR_DE;
                        else
                                /* Make sure the IDM bit is off */
                                current->thread.dbcr0 &= ~DBCR0_IDM;
-#endif
                }
 
                _exception(SIGTRAP, regs, TRAP_TRACE, regs->nip);
index 0cdbc07cec14e1cd9900a5b1eddc62e476dcdf98..0cb137a9b0381f1175d5962c67aac18f566af662 100644 (file)
@@ -44,6 +44,7 @@
 #include <asm/processor.h>
 #include <asm/cputhreads.h>
 #include <asm/page.h>
+#include <asm/hvcall.h>
 #include <linux/gfp.h>
 #include <linux/sched.h>
 #include <linux/vmalloc.h>
index bc4d50dec78b8f420f789d722c38c66d42a87ab6..3c791e1eb675299c96e7b428b499e7bec4e5f434 100644 (file)
@@ -151,16 +151,14 @@ void kvmppc_set_pvr(struct kvm_vcpu *vcpu, u32 pvr)
 #ifdef CONFIG_PPC_BOOK3S_64
        if ((pvr >= 0x330000) && (pvr < 0x70330000)) {
                kvmppc_mmu_book3s_64_init(vcpu);
-               if (!to_book3s(vcpu)->hior_sregs)
-                       to_book3s(vcpu)->hior = 0xfff00000;
+               to_book3s(vcpu)->hior = 0xfff00000;
                to_book3s(vcpu)->msr_mask = 0xffffffffffffffffULL;
                vcpu->arch.cpu_type = KVM_CPU_3S_64;
        } else
 #endif
        {
                kvmppc_mmu_book3s_32_init(vcpu);
-               if (!to_book3s(vcpu)->hior_sregs)
-                       to_book3s(vcpu)->hior = 0;
+               to_book3s(vcpu)->hior = 0;
                to_book3s(vcpu)->msr_mask = 0xffffffffULL;
                vcpu->arch.cpu_type = KVM_CPU_3S_32;
        }
@@ -797,9 +795,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
                }
        }
 
-       if (sregs->u.s.flags & KVM_SREGS_S_HIOR)
-               sregs->u.s.hior = to_book3s(vcpu)->hior;
-
        return 0;
 }
 
@@ -836,11 +831,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
        /* Flush the MMU after messing with the segments */
        kvmppc_mmu_pte_flush(vcpu, 0, 0);
 
-       if (sregs->u.s.flags & KVM_SREGS_S_HIOR) {
-               to_book3s(vcpu)->hior_sregs = true;
-               to_book3s(vcpu)->hior = sregs->u.s.hior;
-       }
-
        return 0;
 }
 
index efbf9ad872035dee6a364867c5e5e50cdd52da99..607fbdf24b8484c173cc03593ffc71d968b689fe 100644 (file)
@@ -208,7 +208,6 @@ int kvm_dev_ioctl_check_extension(long ext)
        case KVM_CAP_PPC_BOOKE_SREGS:
 #else
        case KVM_CAP_PPC_SEGSTATE:
-       case KVM_CAP_PPC_HIOR:
        case KVM_CAP_PPC_PAPR:
 #endif
        case KVM_CAP_PPC_UNSET_IRQ:
index 0d08d0171392a4e7ec72e21226737cc458e3a98f..7a8a7487cee8dde9d06aa86fff3bd32bdd54433e 100644 (file)
@@ -18,6 +18,8 @@
 #include <linux/init.h>
 #include <asm/cputable.h>
 #include <asm/code-patching.h>
+#include <asm/page.h>
+#include <asm/sections.h>
 
 
 struct fixup_entry {
@@ -128,6 +130,27 @@ void do_lwsync_fixups(unsigned long value, void *fixup_start, void *fixup_end)
        }
 }
 
+void do_final_fixups(void)
+{
+#if defined(CONFIG_PPC64) && defined(CONFIG_RELOCATABLE)
+       int *src, *dest;
+       unsigned long length;
+
+       if (PHYSICAL_START == 0)
+               return;
+
+       src = (int *)(KERNELBASE + PHYSICAL_START);
+       dest = (int *)KERNELBASE;
+       length = (__end_interrupts - _stext) / sizeof(int);
+
+       while (length--) {
+               patch_instruction(dest, *src);
+               src++;
+               dest++;
+       }
+#endif
+}
+
 #ifdef CONFIG_FTR_FIXUP_SELFTEST
 
 #define check(x)       \
index e4588721ef344da86b4cc001179e2e778bbde4cd..3fe6d927ad70e928d302192d275fd0b69220af05 100644 (file)
@@ -347,7 +347,7 @@ config SIMPLE_GPIO
 
 config MCU_MPC8349EMITX
        bool "MPC8349E-mITX MCU driver"
-       depends on I2C && PPC_83xx
+       depends on I2C=y && PPC_83xx
        select GENERIC_GPIO
        select ARCH_REQUIRE_GPIOLIB
        help
index 404bc52b7806e1f769455439626bb62ac0afbcf9..1d6f4f478fe293ebd06313aa1077c1019507473d 100644 (file)
@@ -88,6 +88,7 @@ struct ps3_private {
        struct ps3_bmp bmp __attribute__ ((aligned (PS3_BMP_MINALIGN)));
        u64 ppe_id;
        u64 thread_id;
+       unsigned long ipi_mask;
 };
 
 static DEFINE_PER_CPU(struct ps3_private, ps3_private);
@@ -144,7 +145,11 @@ static void ps3_chip_unmask(struct irq_data *d)
 static void ps3_chip_eoi(struct irq_data *d)
 {
        const struct ps3_private *pd = irq_data_get_irq_chip_data(d);
-       lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
+
+       /* non-IPIs are EOIed here. */
+
+       if (!test_bit(63 - d->irq, &pd->ipi_mask))
+               lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, d->irq);
 }
 
 /**
@@ -691,6 +696,16 @@ void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq)
                cpu, virq, pd->bmp.ipi_debug_brk_mask);
 }
 
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq)
+{
+       struct ps3_private *pd = &per_cpu(ps3_private, cpu);
+
+       set_bit(63 - virq, &pd->ipi_mask);
+
+       DBG("%s:%d: cpu %u, virq %u, ipi_mask %lxh\n", __func__, __LINE__,
+               cpu, virq, pd->ipi_mask);
+}
+
 static unsigned int ps3_get_irq(void)
 {
        struct ps3_private *pd = &__get_cpu_var(ps3_private);
@@ -720,6 +735,12 @@ static unsigned int ps3_get_irq(void)
                BUG();
        }
 #endif
+
+       /* IPIs are EOIed here. */
+
+       if (test_bit(63 - plug, &pd->ipi_mask))
+               lv1_end_of_interrupt_ext(pd->ppe_id, pd->thread_id, plug);
+
        return plug;
 }
 
index 9a196a88eda794d6d07f50abefaebc7a21902427..1a633ed0fe98744d8994d7e6367180a11ab59a96 100644 (file)
@@ -43,6 +43,7 @@ void ps3_mm_shutdown(void);
 void ps3_init_IRQ(void);
 void ps3_shutdown_IRQ(int cpu);
 void __init ps3_register_ipi_debug_brk(unsigned int cpu, unsigned int virq);
+void __init ps3_register_ipi_irq(unsigned int cpu, unsigned int virq);
 
 /* smp */
 
index 4c44794faac0b344ac50663ed12122519c37b53d..efc1cd8c034ac7f47135f7af1e1582d9e722984b 100644 (file)
@@ -59,46 +59,49 @@ static void ps3_smp_message_pass(int cpu, int msg)
 
 static int ps3_smp_probe(void)
 {
-       return 2;
-}
+       int cpu;
 
-static void __init ps3_smp_setup_cpu(int cpu)
-{
-       int result;
-       unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
-       int i;
+       for (cpu = 0; cpu < 2; cpu++) {
+               int result;
+               unsigned int *virqs = per_cpu(ps3_ipi_virqs, cpu);
+               int i;
 
-       DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+               DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
 
-       /*
-        * Check assumptions on ps3_ipi_virqs[] indexing. If this
-        * check fails, then a different mapping of PPC_MSG_
-        * to index needs to be setup.
-        */
+               /*
+               * Check assumptions on ps3_ipi_virqs[] indexing. If this
+               * check fails, then a different mapping of PPC_MSG_
+               * to index needs to be setup.
+               */
 
-       BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
-       BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
-       BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
-       BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
+               BUILD_BUG_ON(PPC_MSG_CALL_FUNCTION    != 0);
+               BUILD_BUG_ON(PPC_MSG_RESCHEDULE       != 1);
+               BUILD_BUG_ON(PPC_MSG_CALL_FUNC_SINGLE != 2);
+               BUILD_BUG_ON(PPC_MSG_DEBUGGER_BREAK   != 3);
 
-       for (i = 0; i < MSG_COUNT; i++) {
-               result = ps3_event_receive_port_setup(cpu, &virqs[i]);
+               for (i = 0; i < MSG_COUNT; i++) {
+                       result = ps3_event_receive_port_setup(cpu, &virqs[i]);
 
-               if (result)
-                       continue;
+                       if (result)
+                               continue;
 
-               DBG("%s:%d: (%d, %d) => virq %u\n",
-                       __func__, __LINE__, cpu, i, virqs[i]);
+                       DBG("%s:%d: (%d, %d) => virq %u\n",
+                               __func__, __LINE__, cpu, i, virqs[i]);
 
-               result = smp_request_message_ipi(virqs[i], i);
+                       result = smp_request_message_ipi(virqs[i], i);
 
-               if (result)
-                       virqs[i] = NO_IRQ;
-       }
+                       if (result)
+                               virqs[i] = NO_IRQ;
+                       else
+                               ps3_register_ipi_irq(cpu, virqs[i]);
+               }
 
-       ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
+               ps3_register_ipi_debug_brk(cpu, virqs[PPC_MSG_DEBUGGER_BREAK]);
 
-       DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+               DBG(" <- %s:%d: (%d)\n", __func__, __LINE__, cpu);
+       }
+
+       return 2;
 }
 
 void ps3_smp_cleanup_cpu(int cpu)
@@ -121,7 +124,6 @@ static struct smp_ops_t ps3_smp_ops = {
        .probe          = ps3_smp_probe,
        .message_pass   = ps3_smp_message_pass,
        .kick_cpu       = smp_generic_kick_cpu,
-       .setup_cpu      = ps3_smp_setup_cpu,
 };
 
 void smp_init_ps3(void)
index 24e18473d926548ec3e54732093902178a6838e9..b0c235cb6ad5c79d42414a863508e0c37db8337d 100644 (file)
@@ -47,7 +47,7 @@ struct sca_block {
 #define KVM_HPAGE_MASK(x)      (~(KVM_HPAGE_SIZE(x) - 1))
 #define KVM_PAGES_PER_HPAGE(x) (KVM_HPAGE_SIZE(x) / PAGE_SIZE)
 
-#define CPUSTAT_HOST       0x80000000
+#define CPUSTAT_STOPPED    0x80000000
 #define CPUSTAT_WAIT       0x10000000
 #define CPUSTAT_ECALL_PEND 0x08000000
 #define CPUSTAT_STOP_INT   0x04000000
@@ -139,6 +139,7 @@ struct kvm_vcpu_stat {
        u32 instruction_stfl;
        u32 instruction_tprot;
        u32 instruction_sigp_sense;
+       u32 instruction_sigp_sense_running;
        u32 instruction_sigp_external_call;
        u32 instruction_sigp_emergency;
        u32 instruction_sigp_stop;
index 87cedd61be0467fdd4085308e55967acb9210ef3..8943e82cd4d94248ef8708839d6c7e0d99e324f9 100644 (file)
@@ -70,7 +70,7 @@ static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
                return -EOPNOTSUPP;
        }
 
-       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+       atomic_set_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM;
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL;
        vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT;
index c7c51898984ef78e64b761ad8c6f9256fa71f30b..02434543eabbede6e5e2fbc17f8e649f5a19871a 100644 (file)
@@ -132,7 +132,6 @@ static int handle_stop(struct kvm_vcpu *vcpu)
        int rc = 0;
 
        vcpu->stat.exit_stop_request++;
-       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
        spin_lock_bh(&vcpu->arch.local_int.lock);
        if (vcpu->arch.local_int.action_bits & ACTION_STORE_ON_STOP) {
                vcpu->arch.local_int.action_bits &= ~ACTION_STORE_ON_STOP;
@@ -149,6 +148,8 @@ static int handle_stop(struct kvm_vcpu *vcpu)
        }
 
        if (vcpu->arch.local_int.action_bits & ACTION_STOP_ON_STOP) {
+               atomic_set_mask(CPUSTAT_STOPPED,
+                               &vcpu->arch.sie_block->cpuflags);
                vcpu->arch.local_int.action_bits &= ~ACTION_STOP_ON_STOP;
                VCPU_EVENT(vcpu, 3, "%s", "cpu stopped");
                rc = -EOPNOTSUPP;
index 87c16705b381396f796e7fbacbb079d62cab8d9d..278ee009ce6570a9d4049a095def51b17fb164d5 100644 (file)
@@ -252,6 +252,7 @@ static void __do_deliver_interrupt(struct kvm_vcpu *vcpu,
                        offsetof(struct _lowcore, restart_psw), sizeof(psw_t));
                if (rc == -EFAULT)
                        exception = 1;
+               atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
                break;
 
        case KVM_S390_PROGRAM_INT:
index 0bd3bea1e4cdfc40069a474d37f74459903803ce..d1c445732451b6d1bd1c4b95db3d6467ff629c68 100644 (file)
@@ -65,6 +65,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "instruction_stfl", VCPU_STAT(instruction_stfl) },
        { "instruction_tprot", VCPU_STAT(instruction_tprot) },
        { "instruction_sigp_sense", VCPU_STAT(instruction_sigp_sense) },
+       { "instruction_sigp_sense_running", VCPU_STAT(instruction_sigp_sense_running) },
        { "instruction_sigp_external_call", VCPU_STAT(instruction_sigp_external_call) },
        { "instruction_sigp_emergency", VCPU_STAT(instruction_sigp_emergency) },
        { "instruction_sigp_stop", VCPU_STAT(instruction_sigp_stop) },
@@ -127,6 +128,7 @@ int kvm_dev_ioctl_check_extension(long ext)
        switch (ext) {
        case KVM_CAP_S390_PSW:
        case KVM_CAP_S390_GMAP:
+       case KVM_CAP_SYNC_MMU:
                r = 1;
                break;
        default:
@@ -270,10 +272,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
        restore_fp_regs(&vcpu->arch.guest_fpregs);
        restore_access_regs(vcpu->arch.guest_acrs);
        gmap_enable(vcpu->arch.gmap);
+       atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
+       atomic_clear_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
        gmap_disable(vcpu->arch.gmap);
        save_fp_regs(&vcpu->arch.guest_fpregs);
        save_access_regs(vcpu->arch.guest_acrs);
@@ -301,7 +305,9 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu)
 
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
-       atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH | CPUSTAT_SM);
+       atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH |
+                                                   CPUSTAT_SM |
+                                                   CPUSTAT_STOPPED);
        vcpu->arch.sie_block->ecb   = 6;
        vcpu->arch.sie_block->eca   = 0xC1002001U;
        vcpu->arch.sie_block->fac   = (int) (long) facilities;
@@ -428,7 +434,7 @@ static int kvm_arch_vcpu_ioctl_set_initial_psw(struct kvm_vcpu *vcpu, psw_t psw)
 {
        int rc = 0;
 
-       if (atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_RUNNING)
+       if (!(atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_STOPPED))
                rc = -EBUSY;
        else {
                vcpu->run->psw_mask = psw.mask;
@@ -501,7 +507,7 @@ rerun_vcpu:
        if (vcpu->sigset_active)
                sigprocmask(SIG_SETMASK, &vcpu->sigset, &sigsaved);
 
-       atomic_set_mask(CPUSTAT_RUNNING, &vcpu->arch.sie_block->cpuflags);
+       atomic_clear_mask(CPUSTAT_STOPPED, &vcpu->arch.sie_block->cpuflags);
 
        BUG_ON(vcpu->kvm->arch.float_int.local_int[vcpu->vcpu_id] == NULL);
 
index 391626361084e363cfd2f0f4251dd652ebc16a58..d02638959922aba41712d16d6dfb20f86f87ec8b 100644 (file)
@@ -336,6 +336,7 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
        u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0;
        u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0;
        struct vm_area_struct *vma;
+       unsigned long user_address;
 
        vcpu->stat.instruction_tprot++;
 
@@ -349,9 +350,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
                return -EOPNOTSUPP;
 
 
+       /* we must resolve the address without holding the mmap semaphore.
+        * This is ok since the userspace hypervisor is not supposed to change
+        * the mapping while the guest queries the memory. Otherwise the guest
+        * might crash or get wrong info anyway. */
+       user_address = (unsigned long) __guestaddr_to_user(vcpu, address1);
+
        down_read(&current->mm->mmap_sem);
-       vma = find_vma(current->mm,
-                       (unsigned long) __guestaddr_to_user(vcpu, address1));
+       vma = find_vma(current->mm, user_address);
        if (!vma) {
                up_read(&current->mm->mmap_sem);
                return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
index f815118835f3c3221932c5e01c86847cc1ec9ba8..0a7941d74bc68b30b9121090aeb96111c86058b7 100644 (file)
 #define SIGP_SET_PREFIX        0x0d
 #define SIGP_STORE_STATUS_ADDR 0x0e
 #define SIGP_SET_ARCH          0x12
+#define SIGP_SENSE_RUNNING     0x15
 
 /* cpu status bits */
 #define SIGP_STAT_EQUIPMENT_CHECK   0x80000000UL
+#define SIGP_STAT_NOT_RUNNING      0x00000400UL
 #define SIGP_STAT_INCORRECT_STATE   0x00000200UL
 #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
 #define SIGP_STAT_EXT_CALL_PENDING  0x00000080UL
@@ -57,8 +59,8 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
        spin_lock(&fi->lock);
        if (fi->local_int[cpu_addr] == NULL)
                rc = 3; /* not operational */
-       else if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
-                & CPUSTAT_RUNNING) {
+       else if (!(atomic_read(fi->local_int[cpu_addr]->cpuflags)
+                 & CPUSTAT_STOPPED)) {
                *reg &= 0xffffffff00000000UL;
                rc = 1; /* status stored */
        } else {
@@ -251,7 +253,7 @@ static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
 
        spin_lock_bh(&li->lock);
        /* cpu must be in stopped state */
-       if (atomic_read(li->cpuflags) & CPUSTAT_RUNNING) {
+       if (!(atomic_read(li->cpuflags) & CPUSTAT_STOPPED)) {
                rc = 1; /* incorrect state */
                *reg &= SIGP_STAT_INCORRECT_STATE;
                kfree(inti);
@@ -275,6 +277,38 @@ out_fi:
        return rc;
 }
 
+static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
+                               unsigned long *reg)
+{
+       int rc;
+       struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
+
+       if (cpu_addr >= KVM_MAX_VCPUS)
+               return 3; /* not operational */
+
+       spin_lock(&fi->lock);
+       if (fi->local_int[cpu_addr] == NULL)
+               rc = 3; /* not operational */
+       else {
+               if (atomic_read(fi->local_int[cpu_addr]->cpuflags)
+                   & CPUSTAT_RUNNING) {
+                       /* running */
+                       rc = 1;
+               } else {
+                       /* not running */
+                       *reg &= 0xffffffff00000000UL;
+                       *reg |= SIGP_STAT_NOT_RUNNING;
+                       rc = 0;
+               }
+       }
+       spin_unlock(&fi->lock);
+
+       VCPU_EVENT(vcpu, 4, "sensed running status of cpu %x rc %x", cpu_addr,
+                  rc);
+
+       return rc;
+}
+
 int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
 {
        int r1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
@@ -331,6 +365,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
                rc = __sigp_set_prefix(vcpu, cpu_addr, parameter,
                                       &vcpu->arch.guest_gprs[r1]);
                break;
+       case SIGP_SENSE_RUNNING:
+               vcpu->stat.instruction_sigp_sense_running++;
+               rc = __sigp_sense_running(vcpu, cpu_addr,
+                                         &vcpu->arch.guest_gprs[r1]);
+               break;
        case SIGP_RESTART:
                vcpu->stat.instruction_sigp_restart++;
                /* user space must know about restart */
index 5b31a8e89823699fbe5f99ebf6eb8d34bac8cb46..a790cc657476320831f9753ad0fd2aff9264ca0a 100644 (file)
@@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap;
 #define kern_addr_valid(addr) \
        (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma,
-                             unsigned long from, unsigned long pfn,
-                             unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
 #define GET_IOSPACE(pfn)               (pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)                   (pfn & 0x0fffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+                          unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+                                    unsigned long from, unsigned long pfn,
+                                    unsigned long size, pgprot_t prot)
+{
+       unsigned long long offset, space, phys_base;
+
+       offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT;
+       space = GET_IOSPACE(pfn);
+       phys_base = offset | (space << 32ULL);
+
+       return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
 #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
 ({                                                                       \
index adf89329af59a653f8694f05df291f2c91475506..38ebb2c601374a386192c061b50ea171c4f83373 100644 (file)
@@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr)
 
 extern int page_in_phys_avail(unsigned long paddr);
 
-extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-                              unsigned long pfn,
-                              unsigned long size, pgprot_t prot);
-
 /*
  * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
  * its high 4 bits.  These macros/functions put it there or get it from there.
@@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 #define GET_IOSPACE(pfn)               (pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)                   (pfn & 0x0fffffffffffffffUL)
 
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+                          unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+                                    unsigned long from, unsigned long pfn,
+                                    unsigned long size, pgprot_t prot)
+{
+       unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+       int space = GET_IOSPACE(pfn);
+       unsigned long phys_base;
+
+       phys_base = offset | (((unsigned long) space) << 32UL);
+
+       return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
 #include <asm-generic/pgtable.h>
 
 /* We provide our own get_unmapped_area to cope with VA holes and
index e27f8ea8656e3e4b9b1c799a6d170cc9739e2cb2..0c218e4c0881fba70c1748e6a4c295e0db280652 100644 (file)
@@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
 extern void fpload(unsigned long *fpregs, unsigned long *fsr);
 
 #else /* CONFIG_SPARC32 */
+
+#include <asm/trap_block.h>
+
 struct popc_3insn_patch_entry {
        unsigned int    addr;
        unsigned int    insns[3];
@@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch,
        __popc_6insn_patch_end;
 
 extern void __init per_cpu_patch(void);
+extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
+                                   struct sun4v_1insn_patch_entry *);
+extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
+                                   struct sun4v_2insn_patch_entry *);
 extern void __init sun4v_patch(void);
 extern void __init boot_cpu_id_too_large(int cpu);
 extern unsigned int dcache_parity_tl1_occurred;
index da0c6c70ccb2c0a783043c151bd82d3dc289d86a..e5519870c3d9ab43b516c5994568af974664d616 100644 (file)
@@ -17,6 +17,8 @@
 #include <asm/processor.h>
 #include <asm/spitfire.h>
 
+#include "entry.h"
+
 #ifdef CONFIG_SPARC64
 
 #include <linux/jump_label.h>
@@ -203,6 +205,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
 }
 
 #ifdef CONFIG_SPARC64
+static void do_patch_sections(const Elf_Ehdr *hdr,
+                             const Elf_Shdr *sechdrs)
+{
+       const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL;
+       char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+       for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
+               if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name))
+                       sun4v_1insn = s;
+               if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name))
+                       sun4v_2insn = s;
+       }
+
+       if (sun4v_1insn && tlb_type == hypervisor) {
+               void *p = (void *) sun4v_1insn->sh_addr;
+               sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size);
+       }
+       if (sun4v_2insn && tlb_type == hypervisor) {
+               void *p = (void *) sun4v_2insn->sh_addr;
+               sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size);
+       }
+}
+
 int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
@@ -210,6 +235,8 @@ int module_finalize(const Elf_Ehdr *hdr,
        /* make jump label nops */
        jump_label_apply_nops(me);
 
+       do_patch_sections(hdr, sechdrs);
+
        /* Cheetah's I-cache is fully coherent.  */
        if (tlb_type == spitfire) {
                unsigned long va;
index c965595aa7e968c8a28e0cfce8f8cd9158db3e0f..a854a1c240ffe1eff016a3324ecfccd1dd63ce4c 100644 (file)
@@ -234,40 +234,50 @@ void __init per_cpu_patch(void)
        }
 }
 
-void __init sun4v_patch(void)
+void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start,
+                            struct sun4v_1insn_patch_entry *end)
 {
-       extern void sun4v_hvapi_init(void);
-       struct sun4v_1insn_patch_entry *p1;
-       struct sun4v_2insn_patch_entry *p2;
-
-       if (tlb_type != hypervisor)
-               return;
+       while (start < end) {
+               unsigned long addr = start->addr;
 
-       p1 = &__sun4v_1insn_patch;
-       while (p1 < &__sun4v_1insn_patch_end) {
-               unsigned long addr = p1->addr;
-
-               *(unsigned int *) (addr +  0) = p1->insn;
+               *(unsigned int *) (addr +  0) = start->insn;
                wmb();
                __asm__ __volatile__("flush     %0" : : "r" (addr +  0));
 
-               p1++;
+               start++;
        }
+}
 
-       p2 = &__sun4v_2insn_patch;
-       while (p2 < &__sun4v_2insn_patch_end) {
-               unsigned long addr = p2->addr;
+void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start,
+                            struct sun4v_2insn_patch_entry *end)
+{
+       while (start < end) {
+               unsigned long addr = start->addr;
 
-               *(unsigned int *) (addr +  0) = p2->insns[0];
+               *(unsigned int *) (addr +  0) = start->insns[0];
                wmb();
                __asm__ __volatile__("flush     %0" : : "r" (addr +  0));
 
-               *(unsigned int *) (addr +  4) = p2->insns[1];
+               *(unsigned int *) (addr +  4) = start->insns[1];
                wmb();
                __asm__ __volatile__("flush     %0" : : "r" (addr +  4));
 
-               p2++;
+               start++;
        }
+}
+
+void __init sun4v_patch(void)
+{
+       extern void sun4v_hvapi_init(void);
+
+       if (tlb_type != hypervisor)
+               return;
+
+       sun4v_patch_1insn_range(&__sun4v_1insn_patch,
+                               &__sun4v_1insn_patch_end);
+
+       sun4v_patch_2insn_range(&__sun4v_2insn_patch,
+                               &__sun4v_2insn_patch_end);
 
        sun4v_hvapi_init();
 }
index 2caa556db86dc44818521233c5ba7aad226ca186..023b8860dc9704330391b1db6a8eaf2ea117d32e 100644 (file)
@@ -822,21 +822,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
  * want to handle. Thus you cannot kill init even with a SIGKILL even by
  * mistake.
  */
-void do_signal32(sigset_t *oldset, struct pt_regs * regs,
-                int restart_syscall, unsigned long orig_i0)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs)
 {
        struct k_sigaction ka;
+       unsigned long orig_i0;
+       int restart_syscall;
        siginfo_t info;
        int signr;
        
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-       /* If the debugger messes with the program counter, it clears
-        * the "in syscall" bit, directing us to not perform a syscall
-        * restart.
-        */
-       if (restart_syscall && !pt_regs_is_syscall(regs))
-               restart_syscall = 0;
+       restart_syscall = 0;
+       orig_i0 = 0;
+       if (pt_regs_is_syscall(regs) &&
+           (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+               restart_syscall = 1;
+               orig_i0 = regs->u_regs[UREG_G6];
+       }
 
        if (signr > 0) {
                if (restart_syscall)
index 8ce247ac04cc0d905abd7d7e1d5de20073ce654a..d54c6e53aba00323fda9f01c95aae0f001352fb9 100644 (file)
@@ -519,10 +519,26 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
        siginfo_t info;
        int signr;
 
+       /* It's a lot of work and synchronization to add a new ptrace
+        * register for GDB to save and restore in order to get
+        * orig_i0 correct for syscall restarts when debugging.
+        *
+        * Although it should be the case that most of the global
+        * registers are volatile across a system call, glibc already
+        * depends upon that fact that we preserve them.  So we can't
+        * just use any global register to save away the orig_i0 value.
+        *
+        * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+        * preserved across a system call trap by various pieces of
+        * code in glibc.
+        *
+        * %g7 is used as the "thread register".   %g6 is not used in
+        * any fixed manner.  %g6 is used as a scratch register and
+        * a compiler temporary, but it's value is never used across
+        * a system call.  Therefore %g6 is usable for orig_i0 storage.
+        */
        if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
-               restart_syscall = 1;
-       else
-               restart_syscall = 0;
+               regs->u_regs[UREG_G6] = orig_i0;
 
        if (test_thread_flag(TIF_RESTORE_SIGMASK))
                oldset = &current->saved_sigmask;
@@ -535,8 +551,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
         * the software "in syscall" bit, directing us to not perform
         * a syscall restart.
         */
-       if (restart_syscall && !pt_regs_is_syscall(regs))
-               restart_syscall = 0;
+       restart_syscall = 0;
+       if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {
+               restart_syscall = 1;
+               orig_i0 = regs->u_regs[UREG_G6];
+       }
+
 
        if (signr > 0) {
                if (restart_syscall)
index a2b81598d90562695abefa70b8c66ea11832341c..f0836cd0e2f243ffb3c1df37ff02cc31488850b7 100644 (file)
@@ -529,11 +529,27 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
        siginfo_t info;
        int signr;
        
+       /* It's a lot of work and synchronization to add a new ptrace
+        * register for GDB to save and restore in order to get
+        * orig_i0 correct for syscall restarts when debugging.
+        *
+        * Although it should be the case that most of the global
+        * registers are volatile across a system call, glibc already
+        * depends upon that fact that we preserve them.  So we can't
+        * just use any global register to save away the orig_i0 value.
+        *
+        * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+        * preserved across a system call trap by various pieces of
+        * code in glibc.
+        *
+        * %g7 is used as the "thread register".   %g6 is not used in
+        * any fixed manner.  %g6 is used as a scratch register and
+        * a compiler temporary, but it's value is never used across
+        * a system call.  Therefore %g6 is usable for orig_i0 storage.
+        */
        if (pt_regs_is_syscall(regs) &&
-           (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
-               restart_syscall = 1;
-       } else
-               restart_syscall = 0;
+           (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
+               regs->u_regs[UREG_G6] = orig_i0;
 
        if (current_thread_info()->status & TS_RESTORE_SIGMASK)
                oldset = &current->saved_sigmask;
@@ -542,22 +558,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
 
 #ifdef CONFIG_COMPAT
        if (test_thread_flag(TIF_32BIT)) {
-               extern void do_signal32(sigset_t *, struct pt_regs *,
-                                       int restart_syscall,
-                                       unsigned long orig_i0);
-               do_signal32(oldset, regs, restart_syscall, orig_i0);
+               extern void do_signal32(sigset_t *, struct pt_regs *);
+               do_signal32(oldset, regs);
                return;
        }
 #endif 
 
        signr = get_signal_to_deliver(&info, &ka, regs, NULL);
 
-       /* If the debugger messes with the program counter, it clears
-        * the software "in syscall" bit, directing us to not perform
-        * a syscall restart.
-        */
-       if (restart_syscall && !pt_regs_is_syscall(regs))
-               restart_syscall = 0;
+       restart_syscall = 0;
+       if (pt_regs_is_syscall(regs) &&
+           (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+               restart_syscall = 1;
+               orig_i0 = regs->u_regs[UREG_G6];
+       }
 
        if (signr > 0) {
                if (restart_syscall)
index e7dc508c38eb47dd1f77bee9a125687287c2856a..b19570d41a39eab11e7b60d2146aec678d0c8621 100644 (file)
@@ -2,6 +2,7 @@
 #include <linux/types.h>
 #include <linux/thread_info.h>
 #include <linux/uaccess.h>
+#include <linux/errno.h>
 
 #include <asm/sigcontext.h>
 #include <asm/fpumacro.h>
index e3cda21b5ee994200b7d09e7e14c33704363e67c..301421c11291c6a0c8ef01a1af18da17453c9d35 100644 (file)
@@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64)   += ultra.o tlb.o tsb.o gup.o
 obj-y                   += fault_$(BITS).o
 obj-y                   += init_$(BITS).o
 obj-$(CONFIG_SPARC32)   += loadmmu.o
-obj-y                   += generic_$(BITS).o
 obj-$(CONFIG_SPARC32)   += extable.o btfixup.o srmmu.o iommu.o io-unit.o
 obj-$(CONFIG_SPARC32)   += hypersparc.o viking.o tsunami.o swift.o
 obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
deleted file mode 100644 (file)
index 6ca39a6..0000000
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-#include <linux/export.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size,
-       unsigned long offset, pgprot_t prot, int space)
-{
-       unsigned long end;
-
-       address &= ~PMD_MASK;
-       end = address + size;
-       if (end > PMD_SIZE)
-               end = PMD_SIZE;
-       do {
-               set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
-               address += PAGE_SIZE;
-               offset += PAGE_SIZE;
-               pte++;
-       } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-       unsigned long offset, pgprot_t prot, int space)
-{
-       unsigned long end;
-
-       address &= ~PGDIR_MASK;
-       end = address + size;
-       if (end > PGDIR_SIZE)
-               end = PGDIR_SIZE;
-       offset -= address;
-       do {
-               pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-               if (!pte)
-                       return -ENOMEM;
-               io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-               address = (address + PMD_SIZE) & PMD_MASK;
-               pmd++;
-       } while (address < end);
-       return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-                      unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-       int error = 0;
-       pgd_t * dir;
-       unsigned long beg = from;
-       unsigned long end = from + size;
-       struct mm_struct *mm = vma->vm_mm;
-       int space = GET_IOSPACE(pfn);
-       unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-
-       /* See comment in mm/memory.c remap_pfn_range */
-       vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-       vma->vm_pgoff = (offset >> PAGE_SHIFT) |
-               ((unsigned long)space << 28UL);
-
-       offset -= from;
-       dir = pgd_offset(mm, from);
-       flush_cache_range(vma, beg, end);
-
-       while (from < end) {
-               pmd_t *pmd = pmd_alloc(mm, dir, from);
-               error = -ENOMEM;
-               if (!pmd)
-                       break;
-               error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
-               if (error)
-                       break;
-               from = (from + PGDIR_SIZE) & PGDIR_MASK;
-               dir++;
-       }
-
-       flush_tlb_range(vma, beg, end);
-       return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
deleted file mode 100644 (file)
index 9b357dd..0000000
+++ /dev/null
@@ -1,165 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- *            MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/export.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
-                                     unsigned long address,
-                                     unsigned long size,
-                                     unsigned long offset, pgprot_t prot,
-                                     int space)
-{
-       unsigned long end;
-
-       /* clear hack bit that was used as a write_combine side-effect flag */
-       offset &= ~0x1UL;
-       address &= ~PMD_MASK;
-       end = address + size;
-       if (end > PMD_SIZE)
-               end = PMD_SIZE;
-       do {
-               pte_t entry;
-               unsigned long curend = address + PAGE_SIZE;
-               
-               entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
-               if (!(address & 0xffff)) {
-                       if (PAGE_SIZE < (4 * 1024 * 1024) &&
-                           !(address & 0x3fffff) &&
-                           !(offset & 0x3ffffe) &&
-                           end >= address + 0x400000) {
-                               entry = mk_pte_io(offset, prot, space,
-                                                 4 * 1024 * 1024);
-                               curend = address + 0x400000;
-                               offset += 0x400000;
-                       } else if (PAGE_SIZE < (512 * 1024) &&
-                                  !(address & 0x7ffff) &&
-                                  !(offset & 0x7fffe) &&
-                                  end >= address + 0x80000) {
-                               entry = mk_pte_io(offset, prot, space,
-                                                 512 * 1024 * 1024);
-                               curend = address + 0x80000;
-                               offset += 0x80000;
-                       } else if (PAGE_SIZE < (64 * 1024) &&
-                                  !(offset & 0xfffe) &&
-                                  end >= address + 0x10000) {
-                               entry = mk_pte_io(offset, prot, space,
-                                                 64 * 1024);
-                               curend = address + 0x10000;
-                               offset += 0x10000;
-                       } else
-                               offset += PAGE_SIZE;
-               } else
-                       offset += PAGE_SIZE;
-
-               if (pte_write(entry))
-                       entry = pte_mkdirty(entry);
-               do {
-                       BUG_ON(!pte_none(*pte));
-                       set_pte_at(mm, address, pte, entry);
-                       address += PAGE_SIZE;
-                       pte_val(entry) += PAGE_SIZE;
-                       pte++;
-               } while (address < curend);
-       } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
-       unsigned long offset, pgprot_t prot, int space)
-{
-       unsigned long end;
-
-       address &= ~PGDIR_MASK;
-       end = address + size;
-       if (end > PGDIR_SIZE)
-               end = PGDIR_SIZE;
-       offset -= address;
-       do {
-               pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
-               if (!pte)
-                       return -ENOMEM;
-               io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
-               pte_unmap(pte);
-               address = (address + PMD_SIZE) & PMD_MASK;
-               pmd++;
-       } while (address < end);
-       return 0;
-}
-
-static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size,
-       unsigned long offset, pgprot_t prot, int space)
-{
-       unsigned long end;
-
-       address &= ~PUD_MASK;
-       end = address + size;
-       if (end > PUD_SIZE)
-               end = PUD_SIZE;
-       offset -= address;
-       do {
-               pmd_t *pmd = pmd_alloc(mm, pud, address);
-               if (!pud)
-                       return -ENOMEM;
-               io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space);
-               address = (address + PUD_SIZE) & PUD_MASK;
-               pud++;
-       } while (address < end);
-       return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
-               unsigned long pfn, unsigned long size, pgprot_t prot)
-{
-       int error = 0;
-       pgd_t * dir;
-       unsigned long beg = from;
-       unsigned long end = from + size;
-       struct mm_struct *mm = vma->vm_mm;
-       int space = GET_IOSPACE(pfn);
-       unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-       unsigned long phys_base;
-
-       phys_base = offset | (((unsigned long) space) << 32UL);
-
-       /* See comment in mm/memory.c remap_pfn_range */
-       vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
-       vma->vm_pgoff = phys_base >> PAGE_SHIFT;
-
-       offset -= from;
-       dir = pgd_offset(mm, from);
-       flush_cache_range(vma, beg, end);
-
-       while (from < end) {
-               pud_t *pud = pud_alloc(mm, dir, from);
-               error = -ENOMEM;
-               if (!pud)
-                       break;
-               error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
-               if (error)
-                       break;
-               from = (from + PGDIR_SIZE) & PGDIR_MASK;
-               dir++;
-       }
-
-       flush_tlb_range(vma, beg, end);
-       return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
index e57dcce9bfda4da6ea6be362a542bf891289f0c0..942ed6174f1d073e565d52e5dc074c7e84d3b533 100644 (file)
@@ -237,13 +237,13 @@ menu "PKUnity NetBook-0916 Features"
 
 config I2C_BATTERY_BQ27200
        tristate "I2C Battery BQ27200 Support"
-       select PUV3_I2C
+       select I2C_PUV3
        select POWER_SUPPLY
        select BATTERY_BQ27x00
 
 config I2C_EEPROM_AT24
        tristate "I2C EEPROMs AT24 support"
-       select PUV3_I2C
+       select I2C_PUV3
        select MISC_DEVICES
        select EEPROM_AT24
 
index ae2ec334c3c61473ffa6b7b5cf8695c8d64c322b..1a36262398435ff9f9f224cab74da1a3d2bb0233 100644 (file)
@@ -44,18 +44,4 @@ config DEBUG_OCD
          Say Y here if you want the debug print routines to direct their
          output to the UniCore On-Chip-Debugger channel using CP #1.
 
-config DEBUG_OCD_BREAKPOINT
-       bool "Breakpoint support via On-Chip-Debugger"
-       depends on DEBUG_OCD
-
-config DEBUG_UART
-       int "Kernel low-level debugging messages via serial port"
-       depends on DEBUG_LL
-       range 0 1
-       default "0"
-       help
-         Choice for UART for kernel low-level using PKUnity UARTS,
-         should be between zero and one. The port must have been
-         initialised by the boot-loader before use.
-
 endmenu
index b0954a2d23cfaf5b4db0bbe1b6e95493d75ebc03..950a9afa38f8632239df166ac21ffe094229217e 100644 (file)
@@ -10,8 +10,8 @@
 # Copyright (C) 2001~2010 GUAN Xue-tao
 #
 
-EXTRA_CFLAGS   := -fpic -fno-builtin
-EXTRA_AFLAGS   := -Wa,-march=all
+ccflags-y      := -fpic -fno-builtin
+asflags-y      := -Wa,-march=all
 
 OBJS           := misc.o
 
index 1628a63289946218c12cebed99246c87087e8a18..401f597bc38cfcdf102ff6188f8bd3c27f46dde5 100644 (file)
 #ifndef __UNICORE_BITOPS_H__
 #define __UNICORE_BITOPS_H__
 
-#define find_next_bit          __uc32_find_next_bit
-#define find_next_zero_bit     __uc32_find_next_zero_bit
-
-#define find_first_bit         __uc32_find_first_bit
-#define find_first_zero_bit    __uc32_find_first_zero_bit
-
 #define _ASM_GENERIC_BITOPS_FLS_H_
 #define _ASM_GENERIC_BITOPS___FLS_H_
 #define _ASM_GENERIC_BITOPS_FFS_H_
@@ -44,4 +38,10 @@ static inline int fls(int x)
 
 #include <asm-generic/bitops.h>
 
+/* following definitions: to avoid using codes in lib/find_*.c */
+#define find_next_bit          find_next_bit
+#define find_next_zero_bit     find_next_zero_bit
+#define find_first_bit         find_first_bit
+#define find_first_zero_bit    find_first_zero_bit
+
 #endif /* __UNICORE_BITOPS_H__ */
index e11cb07865782c81b82e4dd90d1977b8f4495245..f0d780a51f9b5dec74a5310fe0f1fd2c4fdc7b28 100644 (file)
@@ -53,7 +53,6 @@ struct thread_struct {
 #define start_thread(regs, pc, sp)                                     \
 ({                                                                     \
        unsigned long *stack = (unsigned long *)sp;                     \
-       set_fs(USER_DS);                                                \
        memset(regs->uregs, 0, sizeof(regs->uregs));                    \
        regs->UCreg_asr = USER_MODE;                                    \
        regs->UCreg_pc = pc & ~1;       /* pc */                        \
index a8970809428a65985873e42ffd417782c0f47ae9..d98bd812cae1ea17efcb314a1cccee9639636b37 100644 (file)
@@ -24,8 +24,8 @@
 
 #include "ksyms.h"
 
-EXPORT_SYMBOL(__uc32_find_next_zero_bit);
-EXPORT_SYMBOL(__uc32_find_next_bit);
+EXPORT_SYMBOL(find_next_zero_bit);
+EXPORT_SYMBOL(find_next_bit);
 
 EXPORT_SYMBOL(__backtrace);
 
index c360ce905d8b7bcb0d9b84b796089987c5cf967b..c77746247d3698856f26e27531c7454382178a6e 100644 (file)
@@ -17,7 +17,7 @@
  * Purpose  : Find a 'zero' bit
  * Prototype: int find_first_zero_bit(void *addr, unsigned int maxbit);
  */
-__uc32_find_first_zero_bit:
+ENTRY(find_first_zero_bit)
                cxor.a  r1, #0
                beq     3f
                mov     r2, #0
@@ -29,13 +29,14 @@ __uc32_find_first_zero_bit:
                bub     1b
 3:             mov     r0, r1                  @ no free bits
                mov     pc, lr
+ENDPROC(find_first_zero_bit)
 
 /*
  * Purpose  : Find next 'zero' bit
  * Prototype: int find_next_zero_bit
  *             (void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_zero_bit)
+ENTRY(find_next_zero_bit)
                cxor.a  r1, #0
                beq     3b
                and.a   ip, r2, #7
@@ -47,14 +48,14 @@ ENTRY(__uc32_find_next_zero_bit)
                or      r2, r2, #7              @ if zero, then no bits here
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
-ENDPROC(__uc32_find_next_zero_bit)
+ENDPROC(find_next_zero_bit)
 
 /*
  * Purpose  : Find a 'one' bit
  * Prototype: int find_first_bit
  *             (const unsigned long *addr, unsigned int maxbit);
  */
-__uc32_find_first_bit:
+ENTRY(find_first_bit)
                cxor.a  r1, #0
                beq     3f
                mov     r2, #0
@@ -66,13 +67,14 @@ __uc32_find_first_bit:
                bub     1b
 3:             mov     r0, r1                  @ no free bits
                mov     pc, lr
+ENDPROC(find_first_bit)
 
 /*
  * Purpose  : Find next 'one' bit
  * Prototype: int find_next_zero_bit
  *             (void *addr, unsigned int maxbit, int offset)
  */
-ENTRY(__uc32_find_next_bit)
+ENTRY(find_next_bit)
                cxor.a  r1, #0
                beq     3b
                and.a   ip, r2, #7
@@ -83,7 +85,7 @@ ENTRY(__uc32_find_next_bit)
                or      r2, r2, #7              @ if zero, then no bits here
                add     r2, r2, #1              @ align bit pointer
                b       2b                      @ loop for next bit
-ENDPROC(__uc32_find_next_bit)
+ENDPROC(find_next_bit)
 
 /*
  * One or more bits in the LSB of r3 are assumed to be set.
index 9b7273cb21937e8a884a08b45b3024af1bf3cfbc..1a6c09af048fbd587613c750502677d7cbb1c052 100644 (file)
@@ -49,6 +49,7 @@ extern unsigned int apic_verbosity;
 extern int local_apic_timer_c2_ok;
 
 extern int disable_apic;
+extern unsigned int lapic_timer_frequency;
 
 #ifdef CONFIG_SMP
 extern void __inquire_remote_apic(int apicid);
index 72a8b52e7dfd0de3fa4271284fdd4a76da7fb31b..a01e7ec7d2377aaede271b6ad4ddd546ef5238a5 100644 (file)
@@ -17,7 +17,7 @@
 #define NMI_REASON_CLEAR_IOCHK 0x08
 #define NMI_REASON_CLEAR_MASK  0x0f
 
-static inline unsigned char get_nmi_reason(void)
+static inline unsigned char default_get_nmi_reason(void)
 {
        return inb(NMI_REASON_PORT);
 }
index c9321f34e55b3fa2cdb9fd4afeaa332dac345add..0e8ae57d3656c4576498b545826a5880214fe9e5 100644 (file)
@@ -201,7 +201,10 @@ int mce_notify_irq(void);
 void mce_notify_process(void);
 
 DECLARE_PER_CPU(struct mce, injectm);
-extern struct file_operations mce_chrdev_ops;
+
+extern void register_mce_write_callback(ssize_t (*)(struct file *filp,
+                                   const char __user *ubuf,
+                                   size_t usize, loff_t *off));
 
 /*
  * Exception handler
index 719f00b28ff5358caf87d736ed5b4100dafdce9e..e6283129c821014eba1afcbbb1bdd042b6b73e04 100644 (file)
@@ -44,6 +44,13 @@ enum mrst_timer_options {
 
 extern enum mrst_timer_options mrst_timer_options;
 
+/*
+ * Penwell uses spread spectrum clock, so the freq number is not exactly
+ * the same as reported by MSR based on SDM.
+ */
+#define PENWELL_FSB_FREQ_83SKU         83200
+#define PENWELL_FSB_FREQ_100SKU        99840
+
 #define SFI_MTMR_MAX_NUM 8
 #define SFI_MRTC_MAX   8
 
index d3d859035af9e1968d0ad9d4a39000331c27c8f1..1971e652d24be5fc0674633c1edb3717645306e7 100644 (file)
@@ -152,6 +152,7 @@ struct x86_cpuinit_ops {
 /**
  * struct x86_platform_ops - platform specific runtime functions
  * @calibrate_tsc:             calibrate TSC
+ * @wallclock_init:            init the wallclock device
  * @get_wallclock:             get time from HW clock like RTC etc.
  * @set_wallclock:             set time back to HW clock
  * @is_untracked_pat_range     exclude from PAT logic
@@ -160,11 +161,13 @@ struct x86_cpuinit_ops {
  */
 struct x86_platform_ops {
        unsigned long (*calibrate_tsc)(void);
+       void (*wallclock_init)(void);
        unsigned long (*get_wallclock)(void);
        int (*set_wallclock)(unsigned long nowtime);
        void (*iommu_shutdown)(void);
        bool (*is_untracked_pat_range)(u64 start, u64 end);
        void (*nmi_init)(void);
+       unsigned char (*get_nmi_reason)(void);
        int (*i8042_detect)(void);
 };
 
index c63822816249e8c41fa47643d3204bde8a758a42..1f84794f0759327c387d602cddccb3d479188f92 100644 (file)
@@ -738,5 +738,5 @@ void __kprobes text_poke_smp_batch(struct text_poke_param *params, int n)
 
        atomic_set(&stop_machine_first, 1);
        wrote_text = 0;
-       __stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+       __stop_machine(stop_machine_text_poke, (void *)&tpp, cpu_online_mask);
 }
index a2fd72e0ab35bbff6703836f82540a0f71588e85..f98d84caf94cfdc43cedda4cb411ebea5213e4b7 100644 (file)
@@ -186,7 +186,7 @@ static struct resource lapic_resource = {
        .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
 };
 
-static unsigned int calibration_result;
+unsigned int lapic_timer_frequency = 0;
 
 static void apic_pm_activate(void);
 
@@ -454,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode,
        switch (mode) {
        case CLOCK_EVT_MODE_PERIODIC:
        case CLOCK_EVT_MODE_ONESHOT:
-               __setup_APIC_LVTT(calibration_result,
+               __setup_APIC_LVTT(lapic_timer_frequency,
                                  mode != CLOCK_EVT_MODE_PERIODIC, 1);
                break;
        case CLOCK_EVT_MODE_UNUSED:
@@ -638,6 +638,25 @@ static int __init calibrate_APIC_clock(void)
        long delta, deltatsc;
        int pm_referenced = 0;
 
+       /**
+        * check if lapic timer has already been calibrated by platform
+        * specific routine, such as tsc calibration code. if so, we just fill
+        * in the clockevent structure and return.
+        */
+
+       if (lapic_timer_frequency) {
+               apic_printk(APIC_VERBOSE, "lapic timer already calibrated %d\n",
+                               lapic_timer_frequency);
+               lapic_clockevent.mult = div_sc(lapic_timer_frequency/APIC_DIVISOR,
+                                       TICK_NSEC, lapic_clockevent.shift);
+               lapic_clockevent.max_delta_ns =
+                       clockevent_delta2ns(0x7FFFFF, &lapic_clockevent);
+               lapic_clockevent.min_delta_ns =
+                       clockevent_delta2ns(0xF, &lapic_clockevent);
+               lapic_clockevent.features &= ~CLOCK_EVT_FEAT_DUMMY;
+               return 0;
+       }
+
        local_irq_disable();
 
        /* Replace the global interrupt handler */
@@ -679,12 +698,12 @@ static int __init calibrate_APIC_clock(void)
        lapic_clockevent.min_delta_ns =
                clockevent_delta2ns(0xF, &lapic_clockevent);
 
-       calibration_result = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
+       lapic_timer_frequency = (delta * APIC_DIVISOR) / LAPIC_CAL_LOOPS;
 
        apic_printk(APIC_VERBOSE, "..... delta %ld\n", delta);
        apic_printk(APIC_VERBOSE, "..... mult: %u\n", lapic_clockevent.mult);
        apic_printk(APIC_VERBOSE, "..... calibration result: %u\n",
-                   calibration_result);
+                   lapic_timer_frequency);
 
        if (cpu_has_tsc) {
                apic_printk(APIC_VERBOSE, "..... CPU clock speed is "
@@ -695,13 +714,13 @@ static int __init calibrate_APIC_clock(void)
 
        apic_printk(APIC_VERBOSE, "..... host bus clock speed is "
                    "%u.%04u MHz.\n",
-                   calibration_result / (1000000 / HZ),
-                   calibration_result % (1000000 / HZ));
+                   lapic_timer_frequency / (1000000 / HZ),
+                   lapic_timer_frequency % (1000000 / HZ));
 
        /*
         * Do a sanity check on the APIC calibration result
         */
-       if (calibration_result < (1000000 / HZ)) {
+       if (lapic_timer_frequency < (1000000 / HZ)) {
                local_irq_enable();
                pr_warning("APIC frequency too slow, disabling apic timer\n");
                return -1;
index 3c31fa98af6dcb23a9298fae4c0ea29495167d0f..6d939d7847e293901538cfe32ae1b95d1d82551a 100644 (file)
@@ -193,10 +193,8 @@ int __init arch_early_irq_init(void)
        struct irq_cfg *cfg;
        int count, node, i;
 
-       if (!legacy_pic->nr_legacy_irqs) {
-               nr_irqs_gsi = 0;
+       if (!legacy_pic->nr_legacy_irqs)
                io_apic_irqs = ~0UL;
-       }
 
        for (i = 0; i < nr_ioapics; i++) {
                ioapics[i].saved_registers =
@@ -1696,6 +1694,7 @@ __apicdebuginit(void) print_IO_APICs(void)
        int ioapic_idx;
        struct irq_cfg *cfg;
        unsigned int irq;
+       struct irq_chip *chip;
 
        printk(KERN_DEBUG "number of MP IRQ sources: %d.\n", mp_irq_entries);
        for (ioapic_idx = 0; ioapic_idx < nr_ioapics; ioapic_idx++)
@@ -1716,6 +1715,10 @@ __apicdebuginit(void) print_IO_APICs(void)
        for_each_active_irq(irq) {
                struct irq_pin_list *entry;
 
+               chip = irq_get_chip(irq);
+               if (chip != &ioapic_chip)
+                       continue;
+
                cfg = irq_get_chip_data(irq);
                if (!cfg)
                        continue;
index 6199232161cffa181d6cf80605adb38dfbb51a61..319882ef848d3cd43c0a4dcfa41ea14cd09502ab 100644 (file)
@@ -208,7 +208,7 @@ static int inject_init(void)
        if (!alloc_cpumask_var(&mce_inject_cpumask, GFP_KERNEL))
                return -ENOMEM;
        printk(KERN_INFO "Machine check injector initialized\n");
-       mce_chrdev_ops.write = mce_write;
+       register_mce_write_callback(mce_write);
        register_nmi_handler(NMI_LOCAL, mce_raise_notify, 0,
                                "mce_notify");
        return 0;
index 362056aefeb474c86b165c4f9c77d213b40fdbfa..2af127d4c3d1dc2ebdab3e0e2ff95d2d07595a46 100644 (file)
@@ -1634,16 +1634,35 @@ static long mce_chrdev_ioctl(struct file *f, unsigned int cmd,
        }
 }
 
-/* Modified in mce-inject.c, so not static or const */
-struct file_operations mce_chrdev_ops = {
+static ssize_t (*mce_write)(struct file *filp, const char __user *ubuf,
+                           size_t usize, loff_t *off);
+
+void register_mce_write_callback(ssize_t (*fn)(struct file *filp,
+                            const char __user *ubuf,
+                            size_t usize, loff_t *off))
+{
+       mce_write = fn;
+}
+EXPORT_SYMBOL_GPL(register_mce_write_callback);
+
+ssize_t mce_chrdev_write(struct file *filp, const char __user *ubuf,
+                        size_t usize, loff_t *off)
+{
+       if (mce_write)
+               return mce_write(filp, ubuf, usize, off);
+       else
+               return -EINVAL;
+}
+
+static const struct file_operations mce_chrdev_ops = {
        .open                   = mce_chrdev_open,
        .release                = mce_chrdev_release,
        .read                   = mce_chrdev_read,
+       .write                  = mce_chrdev_write,
        .poll                   = mce_chrdev_poll,
        .unlocked_ioctl         = mce_chrdev_ioctl,
        .llseek                 = no_llseek,
 };
-EXPORT_SYMBOL_GPL(mce_chrdev_ops);
 
 static struct miscdevice mce_chrdev_device = {
        MISC_MCELOG_MINOR,
index c1a0188e29aef61d22706c8d0f2b99f843cf8fc7..44842d756b29fa9b2705fb8c57189fe5d28b5732 100644 (file)
@@ -74,9 +74,10 @@ static cycle_t kvm_clock_read(void)
        struct pvclock_vcpu_time_info *src;
        cycle_t ret;
 
-       src = &get_cpu_var(hv_clock);
+       preempt_disable_notrace();
+       src = &__get_cpu_var(hv_clock);
        ret = pvclock_clocksource_read(src);
-       put_cpu_var(hv_clock);
+       preempt_enable_notrace();
        return ret;
 }
 
index b9c8628974af3ae4eeb7cc73891140618df589b2..e88f37b58dddeeaecfb8951649db799986b7e247 100644 (file)
@@ -29,6 +29,7 @@
 #include <asm/traps.h>
 #include <asm/mach_traps.h>
 #include <asm/nmi.h>
+#include <asm/x86_init.h>
 
 #define NMI_MAX_NAMELEN        16
 struct nmiaction {
@@ -348,7 +349,7 @@ static notrace __kprobes void default_do_nmi(struct pt_regs *regs)
 
        /* Non-CPU-specific NMI: NMI sources can be processed on any CPU */
        raw_spin_lock(&nmi_reason_lock);
-       reason = get_nmi_reason();
+       reason = x86_platform.get_nmi_reason();
 
        if (reason & NMI_REASON_MASK) {
                if (reason & NMI_REASON_SERR)
index afaf38447ef5fc42c53e78168492fa9eb89a032b..cf0ef986cb6dff51348c17c691491f6f48c61a60 100644 (file)
@@ -1045,6 +1045,8 @@ void __init setup_arch(char **cmdline_p)
 
        x86_init.timers.wallclock_init();
 
+       x86_platform.wallclock_init();
+
        mcheck_init();
 
        arch_init_ideal_nops();
index 6f164bd5e14d167d417b2f86e5fc8580047ed371..c1d6cd549397ad54dbcb32526c9170e1f590a759 100644 (file)
 #include <asm/pat.h>
 #include <asm/tsc.h>
 #include <asm/iommu.h>
+#include <asm/mach_traps.h>
 
 void __cpuinit x86_init_noop(void) { }
 void __init x86_init_uint_noop(unsigned int unused) { }
 void __init x86_init_pgd_noop(pgd_t *unused) { }
 int __init iommu_init_noop(void) { return 0; }
 void iommu_shutdown_noop(void) { }
+void wallclock_init_noop(void) { }
 
 /*
  * The platform setup functions are preset with the default functions
@@ -97,11 +99,13 @@ static int default_i8042_detect(void) { return 1; };
 
 struct x86_platform_ops x86_platform = {
        .calibrate_tsc                  = native_calibrate_tsc,
+       .wallclock_init                 = wallclock_init_noop,
        .get_wallclock                  = mach_get_cmos_time,
        .set_wallclock                  = mach_set_rtc_mmss,
        .iommu_shutdown                 = iommu_shutdown_noop,
        .is_untracked_pat_range         = is_ISA_range,
        .nmi_init                       = default_nmi_init,
+       .get_nmi_reason                 = default_get_nmi_reason,
        .i8042_detect                   = default_i8042_detect
 };
 
index a0d6bd9ad442f1746bfa66eaabe86641470b7d0f..579a0b51696ac560b1768ae445bb8f2084172f8c 100644 (file)
@@ -39,6 +39,7 @@
 #include <asm/mce.h>
 #include <asm/i387.h>
 #include <asm/xcr.h>
+#include <asm/perf_event.h>
 
 #include "trace.h"
 
@@ -118,7 +119,7 @@ module_param(ple_gap, int, S_IRUGO);
 static int ple_window = KVM_VMX_DEFAULT_PLE_WINDOW;
 module_param(ple_window, int, S_IRUGO);
 
-#define NR_AUTOLOAD_MSRS 1
+#define NR_AUTOLOAD_MSRS 8
 #define VMCS02_POOL_SIZE 1
 
 struct vmcs {
@@ -622,6 +623,7 @@ static unsigned long *vmx_msr_bitmap_legacy;
 static unsigned long *vmx_msr_bitmap_longmode;
 
 static bool cpu_has_load_ia32_efer;
+static bool cpu_has_load_perf_global_ctrl;
 
 static DECLARE_BITMAP(vmx_vpid_bitmap, VMX_NR_VPIDS);
 static DEFINE_SPINLOCK(vmx_vpid_lock);
@@ -1191,15 +1193,34 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
        vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
+static void clear_atomic_switch_msr_special(unsigned long entry,
+               unsigned long exit)
+{
+       vmcs_clear_bits(VM_ENTRY_CONTROLS, entry);
+       vmcs_clear_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
 {
        unsigned i;
        struct msr_autoload *m = &vmx->msr_autoload;
 
-       if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-               vmcs_clear_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-               vmcs_clear_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-               return;
+       switch (msr) {
+       case MSR_EFER:
+               if (cpu_has_load_ia32_efer) {
+                       clear_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+                                       VM_EXIT_LOAD_IA32_EFER);
+                       return;
+               }
+               break;
+       case MSR_CORE_PERF_GLOBAL_CTRL:
+               if (cpu_has_load_perf_global_ctrl) {
+                       clear_atomic_switch_msr_special(
+                                       VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+                       return;
+               }
+               break;
        }
 
        for (i = 0; i < m->nr; ++i)
@@ -1215,25 +1236,55 @@ static void clear_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr)
        vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
 }
 
+static void add_atomic_switch_msr_special(unsigned long entry,
+               unsigned long exit, unsigned long guest_val_vmcs,
+               unsigned long host_val_vmcs, u64 guest_val, u64 host_val)
+{
+       vmcs_write64(guest_val_vmcs, guest_val);
+       vmcs_write64(host_val_vmcs, host_val);
+       vmcs_set_bits(VM_ENTRY_CONTROLS, entry);
+       vmcs_set_bits(VM_EXIT_CONTROLS, exit);
+}
+
 static void add_atomic_switch_msr(struct vcpu_vmx *vmx, unsigned msr,
                                  u64 guest_val, u64 host_val)
 {
        unsigned i;
        struct msr_autoload *m = &vmx->msr_autoload;
 
-       if (msr == MSR_EFER && cpu_has_load_ia32_efer) {
-               vmcs_write64(GUEST_IA32_EFER, guest_val);
-               vmcs_write64(HOST_IA32_EFER, host_val);
-               vmcs_set_bits(VM_ENTRY_CONTROLS, VM_ENTRY_LOAD_IA32_EFER);
-               vmcs_set_bits(VM_EXIT_CONTROLS, VM_EXIT_LOAD_IA32_EFER);
-               return;
+       switch (msr) {
+       case MSR_EFER:
+               if (cpu_has_load_ia32_efer) {
+                       add_atomic_switch_msr_special(VM_ENTRY_LOAD_IA32_EFER,
+                                       VM_EXIT_LOAD_IA32_EFER,
+                                       GUEST_IA32_EFER,
+                                       HOST_IA32_EFER,
+                                       guest_val, host_val);
+                       return;
+               }
+               break;
+       case MSR_CORE_PERF_GLOBAL_CTRL:
+               if (cpu_has_load_perf_global_ctrl) {
+                       add_atomic_switch_msr_special(
+                                       VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL,
+                                       GUEST_IA32_PERF_GLOBAL_CTRL,
+                                       HOST_IA32_PERF_GLOBAL_CTRL,
+                                       guest_val, host_val);
+                       return;
+               }
+               break;
        }
 
        for (i = 0; i < m->nr; ++i)
                if (m->guest[i].index == msr)
                        break;
 
-       if (i == m->nr) {
+       if (i == NR_AUTOLOAD_MSRS) {
+               printk_once(KERN_WARNING"Not enough mst switch entries. "
+                               "Can't add msr %x\n", msr);
+               return;
+       } else if (i == m->nr) {
                ++m->nr;
                vmcs_write32(VM_ENTRY_MSR_LOAD_COUNT, m->nr);
                vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, m->nr);
@@ -2455,6 +2506,42 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
                && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
                                   VM_EXIT_LOAD_IA32_EFER);
 
+       cpu_has_load_perf_global_ctrl =
+               allow_1_setting(MSR_IA32_VMX_ENTRY_CTLS,
+                               VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL)
+               && allow_1_setting(MSR_IA32_VMX_EXIT_CTLS,
+                                  VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL);
+
+       /*
+        * Some cpus support VM_ENTRY_(LOAD|SAVE)_IA32_PERF_GLOBAL_CTRL
+        * but due to arrata below it can't be used. Workaround is to use
+        * msr load mechanism to switch IA32_PERF_GLOBAL_CTRL.
+        *
+        * VM Exit May Incorrectly Clear IA32_PERF_GLOBAL_CTRL [34:32]
+        *
+        * AAK155             (model 26)
+        * AAP115             (model 30)
+        * AAT100             (model 37)
+        * BC86,AAY89,BD102   (model 44)
+        * BA97               (model 46)
+        *
+        */
+       if (cpu_has_load_perf_global_ctrl && boot_cpu_data.x86 == 0x6) {
+               switch (boot_cpu_data.x86_model) {
+               case 26:
+               case 30:
+               case 37:
+               case 44:
+               case 46:
+                       cpu_has_load_perf_global_ctrl = false;
+                       printk_once(KERN_WARNING"kvm: VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL "
+                                       "does not work properly. Using workaround\n");
+                       break;
+               default:
+                       break;
+               }
+       }
+
        return 0;
 }
 
@@ -5968,6 +6055,24 @@ static void vmx_cancel_injection(struct kvm_vcpu *vcpu)
        vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, 0);
 }
 
+static void atomic_switch_perf_msrs(struct vcpu_vmx *vmx)
+{
+       int i, nr_msrs;
+       struct perf_guest_switch_msr *msrs;
+
+       msrs = perf_guest_get_msrs(&nr_msrs);
+
+       if (!msrs)
+               return;
+
+       for (i = 0; i < nr_msrs; i++)
+               if (msrs[i].host == msrs[i].guest)
+                       clear_atomic_switch_msr(vmx, msrs[i].msr);
+               else
+                       add_atomic_switch_msr(vmx, msrs[i].msr, msrs[i].guest,
+                                       msrs[i].host);
+}
+
 #ifdef CONFIG_X86_64
 #define R "r"
 #define Q "q"
@@ -6017,6 +6122,8 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu)
        if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
                vmx_set_interrupt_shadow(vcpu, 0);
 
+       atomic_switch_perf_msrs(vmx);
+
        vmx->__launched = vmx->loaded_vmcs->launched;
        asm(
                /* Store host registers */
index 541020df0da6713f485b313829def31dab03b334..b1489a06a49dbc5ac0f4acd5eeaddc6136f05c1a 100644 (file)
@@ -187,11 +187,34 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
 static unsigned long __init mrst_calibrate_tsc(void)
 {
        unsigned long flags, fast_calibrate;
-
-       local_irq_save(flags);
-       fast_calibrate = apbt_quick_calibrate();
-       local_irq_restore(flags);
-
+       if (__mrst_cpu_chip == MRST_CPU_CHIP_PENWELL) {
+               u32 lo, hi, ratio, fsb;
+
+               rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
+               pr_debug("IA32 perf status is 0x%x, 0x%0x\n", lo, hi);
+               ratio = (hi >> 8) & 0x1f;
+               pr_debug("ratio is %d\n", ratio);
+               if (!ratio) {
+                       pr_err("read a zero ratio, should be incorrect!\n");
+                       pr_err("force tsc ratio to 16 ...\n");
+                       ratio = 16;
+               }
+               rdmsr(MSR_FSB_FREQ, lo, hi);
+               if ((lo & 0x7) == 0x7)
+                       fsb = PENWELL_FSB_FREQ_83SKU;
+               else
+                       fsb = PENWELL_FSB_FREQ_100SKU;
+               fast_calibrate = ratio * fsb;
+               pr_debug("read penwell tsc %lu khz\n", fast_calibrate);
+               lapic_timer_frequency = fsb * 1000 / HZ;
+               /* mark tsc clocksource as reliable */
+               set_cpu_cap(&boot_cpu_data, X86_FEATURE_TSC_RELIABLE);
+       } else {
+               local_irq_save(flags);
+               fast_calibrate = apbt_quick_calibrate();
+               local_irq_restore(flags);
+       }
+       
        if (fast_calibrate)
                return fast_calibrate;
 
@@ -253,6 +276,17 @@ static void mrst_reboot(void)
        intel_scu_ipc_simple_command(0xf1, 0);
 }
 
+/*
+ * Moorestown does not have external NMI source nor port 0x61 to report
+ * NMI status. The possible NMI sources are from pmu as a result of NMI
+ * watchdog or lock debug. Reading io port 0x61 results in 0xff which
+ * misled NMI handler.
+ */
+static unsigned char mrst_get_nmi_reason(void)
+{
+       return 0;
+}
+
 /*
  * Moorestown specific x86_init function overrides and early setup
  * calls.
@@ -274,6 +308,8 @@ void __init x86_mrst_early_setup(void)
        x86_platform.calibrate_tsc = mrst_calibrate_tsc;
        x86_platform.i8042_detect = mrst_i8042_detect;
        x86_init.timers.wallclock_init = mrst_rtc_init;
+       x86_platform.get_nmi_reason = mrst_get_nmi_reason;
+
        x86_init.pci.init = pci_mrst_init;
        x86_init.pci.fixup_irqs = x86_init_noop;
 
index 118c143a9cb49ca03ced909f1a0744902889d701..2c32df6fe23167a6ca3955fdac07444f6f2fbc34 100644 (file)
@@ -11,7 +11,7 @@
 #endif
 
 #define KSTK_EIP(tsk) KSTK_REG(tsk, HOST_IP)
-#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_IP)
+#define KSTK_ESP(tsk) KSTK_REG(tsk, HOST_SP)
 #define KSTK_EBP(tsk) KSTK_REG(tsk, HOST_BP)
 
 #define ARCH_IS_STACKGROW(address) \
index da8afd576a6b7d161e3e81f2997912a73fec3d31..1f928659c338e6e5cfcf6386446f087f41f1e22f 100644 (file)
@@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self,
        int cpu = (long)hcpu;
        switch (action) {
        case CPU_UP_PREPARE:
-               per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
+               xen_vcpu_setup(cpu);
                if (xen_have_vector_callback)
                        xen_init_lock_cpu(cpu);
                break;
@@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void)
        xen_hvm_smp_init();
        register_cpu_notifier(&xen_hvm_cpu_notifier);
        xen_unplug_emulated_devices();
-       have_vcpu_info_placement = 0;
        x86_init.irqs.intr_init = xen_init_IRQ;
        xen_hvm_init_time_ops();
        xen_hvm_init_mmu_ops();
index 6bbfd7ac5e814b10c96b925407c18cfaabb32453..5a40d24ba3316b85b42e5ef5d00280b89a2033b9 100644 (file)
@@ -71,7 +71,7 @@ int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes,
 
        if (shared == NULL) {
                struct vm_struct *area =
-                       alloc_vm_area(PAGE_SIZE * max_nr_gframes);
+                       alloc_vm_area(PAGE_SIZE * max_nr_gframes, NULL);
                BUG_ON(area == NULL);
                shared = area->addr;
                *__shared = shared;
index f43c8a5840ae488131dbf395d5eaf96e2fea876d..ea70e6c80cd34f0c2b563ceabcc7189027fc5182 100644 (file)
@@ -1379,15 +1379,19 @@ get_rq:
                 */
                if (list_empty(&plug->list))
                        trace_block_plug(q);
-               else if (!plug->should_sort) {
-                       struct request *__rq;
+               else {
+                       if (!plug->should_sort) {
+                               struct request *__rq;
 
-                       __rq = list_entry_rq(plug->list.prev);
-                       if (__rq->q != q)
-                               plug->should_sort = 1;
+                               __rq = list_entry_rq(plug->list.prev);
+                               if (__rq->q != q)
+                                       plug->should_sort = 1;
+                       }
+                       if (request_count >= BLK_MAX_REQUEST_COUNT) {
+                               blk_flush_plug_list(plug, false);
+                               trace_block_plug(q);
+                       }
                }
-               if (request_count >= BLK_MAX_REQUEST_COUNT)
-                       blk_flush_plug_list(plug, false);
                list_add_tail(&req->queuelist, &plug->list);
                drive_stat_acct(req, 1);
        } else {
index e663ac2d8e68f70ff17ce274f3cebec16c1dd18c..164cd0059706214e53c01b780b353fca98d9b829 100644 (file)
@@ -204,10 +204,11 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq,
                if (!iov[i].iov_len)
                        return -EINVAL;
 
-               if (uaddr & queue_dma_alignment(q)) {
+               /*
+                * Keep going so we check length of all segments
+                */
+               if (uaddr & queue_dma_alignment(q))
                        unaligned = 1;
-                       break;
-               }
        }
 
        if (unaligned || (q->dma_pad_mask & len) || map_data)
index 9253839714ff95b4acc6da413bd87f610ddce44c..02e9fca808256f762e0af44e8a1055c322b51b40 100644 (file)
@@ -19,7 +19,6 @@
 #include <linux/mutex.h>
 #include <linux/idr.h>
 #include <linux/log2.h>
-#include <linux/ctype.h>
 
 #include "blk.h"
 
@@ -916,74 +915,6 @@ static int __init genhd_device_init(void)
 
 subsys_initcall(genhd_device_init);
 
-static ssize_t alias_show(struct device *dev,
-                              struct device_attribute *attr, char *buf)
-{
-       struct gendisk *disk = dev_to_disk(dev);
-       ssize_t ret = 0;
-
-       if (disk->alias)
-               ret = snprintf(buf, ALIAS_LEN, "%s\n", disk->alias);
-       return ret;
-}
-
-static ssize_t alias_store(struct device *dev, struct device_attribute *attr,
-                          const char *buf, size_t count)
-{
-       struct gendisk *disk = dev_to_disk(dev);
-       char *alias;
-       char *envp[] = { NULL, NULL };
-       unsigned char c;
-       int i;
-       ssize_t ret = count;
-
-       if (!count)
-               return -EINVAL;
-
-       if (count >= ALIAS_LEN) {
-               printk(KERN_ERR "alias: alias is too long\n");
-               return -EINVAL;
-       }
-
-       /* Validation check */
-       for (i = 0; i < count; i++) {
-               c = buf[i];
-               if (i == count - 1 && c == '\n')
-                       break;
-               if (!isalnum(c) && c != '_' && c != '-') {
-                       printk(KERN_ERR "alias: invalid alias\n");
-                       return -EINVAL;
-               }
-       }
-
-       if (disk->alias) {
-               printk(KERN_INFO "alias: %s is already assigned (%s)\n",
-                      disk->disk_name, disk->alias);
-               return -EINVAL;
-       }
-
-       alias = kasprintf(GFP_KERNEL, "%s", buf);
-       if (!alias)
-               return -ENOMEM;
-
-       if (alias[count - 1] == '\n')
-               alias[count - 1] = '\0';
-
-       envp[0] = kasprintf(GFP_KERNEL, "ALIAS=%s", alias);
-       if (!envp[0]) {
-               kfree(alias);
-               return -ENOMEM;
-       }
-
-       disk->alias = alias;
-       printk(KERN_INFO "alias: assigned %s to %s\n", alias, disk->disk_name);
-
-       kobject_uevent_env(&dev->kobj, KOBJ_ADD, envp);
-
-       kfree(envp[0]);
-       return ret;
-}
-
 static ssize_t disk_range_show(struct device *dev,
                               struct device_attribute *attr, char *buf)
 {
@@ -1043,7 +974,6 @@ static ssize_t disk_discard_alignment_show(struct device *dev,
        return sprintf(buf, "%d\n", queue_discard_alignment(disk->queue));
 }
 
-static DEVICE_ATTR(alias, S_IRUGO|S_IWUSR, alias_show, alias_store);
 static DEVICE_ATTR(range, S_IRUGO, disk_range_show, NULL);
 static DEVICE_ATTR(ext_range, S_IRUGO, disk_ext_range_show, NULL);
 static DEVICE_ATTR(removable, S_IRUGO, disk_removable_show, NULL);
@@ -1066,7 +996,6 @@ static struct device_attribute dev_attr_fail_timeout =
 #endif
 
 static struct attribute *disk_attrs[] = {
-       &dev_attr_alias.attr,
        &dev_attr_range.attr,
        &dev_attr_ext_range.attr,
        &dev_attr_removable.attr,
index 82c865452c7080d180ec6a453ab1efb3e988dac3..d8b3d89db043e7e9ead44cb8b4a00946f4980fa6 100644 (file)
@@ -22,6 +22,7 @@
 #include <linux/kallsyms.h>
 #include <linux/mutex.h>
 #include <linux/async.h>
+#include <linux/pm_runtime.h>
 
 #include "base.h"
 #include "power/power.h"
@@ -1742,6 +1743,8 @@ void device_shutdown(void)
                 */
                list_del_init(&dev->kobj.entry);
                spin_unlock(&devices_kset->list_lock);
+               /* Disable all device's runtime power management */
+               pm_runtime_disable(dev);
 
                if (dev->bus && dev->bus->shutdown) {
                        dev_dbg(dev, "shutdown\n");
index 793f796c4da3e1cd20143e1266d41246f2289b73..5693ecee9a4052a339b9eca105ff3704fffe29b4 100644 (file)
@@ -127,12 +127,13 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
                       nid, K(node_page_state(nid, NR_WRITEBACK)),
                       nid, K(node_page_state(nid, NR_FILE_PAGES)),
                       nid, K(node_page_state(nid, NR_FILE_MAPPED)),
-                      nid, K(node_page_state(nid, NR_ANON_PAGES)
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+                      nid, K(node_page_state(nid, NR_ANON_PAGES)
                        + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-                       HPAGE_PMD_NR
+                       HPAGE_PMD_NR),
+#else
+                      nid, K(node_page_state(nid, NR_ANON_PAGES)),
 #endif
-                      ),
                       nid, K(node_page_state(nid, NR_SHMEM)),
                       nid, node_page_state(nid, NR_KERNEL_STACK) *
                                THREAD_SIZE / 1024,
@@ -143,13 +144,14 @@ static ssize_t node_read_meminfo(struct sys_device * dev,
                       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE) +
                                node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
                       nid, K(node_page_state(nid, NR_SLAB_RECLAIMABLE)),
-                      nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
+                      nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE))
                        , nid,
                        K(node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) *
-                       HPAGE_PMD_NR)
+                       HPAGE_PMD_NR));
+#else
+                      nid, K(node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));
 #endif
-                      );
        n += hugetlb_report_node_meminfo(nid, buf + n);
        return n;
 }
index 5f0f85d5c5765558a25fa7ec165be968e5fbcabf..428e55e012dcd06f91ade3154c941aab6f1d5bb5 100644 (file)
@@ -229,7 +229,8 @@ int pm_clk_suspend(struct device *dev)
 
        list_for_each_entry_reverse(ce, &psd->clock_list, node) {
                if (ce->status < PCE_STATUS_ERROR) {
-                       clk_disable(ce->clk);
+                       if (ce->status == PCE_STATUS_ENABLED)
+                               clk_disable(ce->clk);
                        ce->status = PCE_STATUS_ACQUIRED;
                }
        }
index 7fa098464dae62921a5acf32af3537f649b604fe..c3d2dfcf438dd1735fcf401be9f8185440e9a1a9 100644 (file)
@@ -920,7 +920,8 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
  End:
        if (!error) {
                dev->power.is_suspended = true;
-               if (dev->power.wakeup_path && dev->parent)
+               if (dev->power.wakeup_path
+                   && dev->parent && !dev->parent->power.ignore_children)
                        dev->parent->power.wakeup_path = true;
        }
 
index 30a94eadc200c7f89f7e2448126ad93cd6a6a2f2..86de6c50fc4181f796c5d0e3d20e796380f112b0 100644 (file)
@@ -212,11 +212,9 @@ int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
        if (!dev || !req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_add_request() called for already "
-                       "added request\n");
+       if (WARN(dev_pm_qos_request_active(req),
+                "%s() called for already added request\n", __func__))
                return -EINVAL;
-       }
 
        req->dev = dev;
 
@@ -271,11 +269,9 @@ int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (!dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_update_request() called for "
-                       "unknown object\n");
+       if (WARN(!dev_pm_qos_request_active(req),
+                "%s() called for unknown object\n", __func__))
                return -EINVAL;
-       }
 
        mutex_lock(&dev_pm_qos_mtx);
 
@@ -312,11 +308,9 @@ int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
        if (!req) /*guard against callers passing in null */
                return -EINVAL;
 
-       if (!dev_pm_qos_request_active(req)) {
-               WARN(1, KERN_ERR "dev_pm_qos_remove_request() called for "
-                       "unknown object\n");
+       if (WARN(!dev_pm_qos_request_active(req),
+                "%s() called for unknown object\n", __func__))
                return -EINVAL;
-       }
 
        mutex_lock(&dev_pm_qos_mtx);
 
index 486f94ef24d499bfe0d17eb379fe5043a94f36a5..8004ac30a7a8634bc7f963be8db2c6c1eac61ce4 100644 (file)
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/pci.h>
+#include <linux/pci-aspm.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
@@ -4319,6 +4320,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *h)
                dev_warn(&h->pdev->dev, "controller appears to be disabled\n");
                return -ENODEV;
        }
+
+       pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S |
+                               PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
        err = pci_enable_device(h->pdev);
        if (err) {
                dev_warn(&h->pdev->dev, "Unable to Enable PCI device\n");
@@ -5158,6 +5163,7 @@ reinit_after_soft_reset:
        h->cciss_max_sectors = 8192;
 
        rebuild_lun_table(h, 1, 0);
+       cciss_engage_scsi(h);
        h->busy_initializing = 0;
        return 1;
 
index 951a4e33b92b788b208d6320636b77422bf9474f..e820b68d2f6cd4d74382b85b5e020069294f00f3 100644 (file)
@@ -1720,5 +1720,6 @@ static int  cciss_eh_abort_handler(struct scsi_cmnd *scsicmd)
 /* If no tape support, then these become defined out of existence */
 
 #define cciss_scsi_setup(cntl_num)
+#define cciss_engage_scsi(h)
 
 #endif /* CONFIG_CISS_SCSI_TAPE */
index 3d806820280e3bc4aaa5e81d6bea411f6597e400..68b205a9338f631adbd98df74836b98aa95d27ac 100644 (file)
@@ -161,17 +161,19 @@ static struct loop_func_table *xfer_funcs[MAX_LO_CRYPT] = {
        &xor_funcs
 };
 
-static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+static loff_t get_size(loff_t offset, loff_t sizelimit, struct file *file)
 {
-       loff_t size, offset, loopsize;
+       loff_t size, loopsize;
 
        /* Compute loopsize in bytes */
        size = i_size_read(file->f_mapping->host);
-       offset = lo->lo_offset;
        loopsize = size - offset;
-       if (lo->lo_sizelimit > 0 && lo->lo_sizelimit < loopsize)
-               loopsize = lo->lo_sizelimit;
+       /* offset is beyond i_size, wierd but possible */
+       if (loopsize < 0)
+               return 0;
 
+       if (sizelimit > 0 && sizelimit < loopsize)
+               loopsize = sizelimit;
        /*
         * Unfortunately, if we want to do I/O on the device,
         * the number of 512-byte sectors has to fit into a sector_t.
@@ -179,17 +181,25 @@ static loff_t get_loop_size(struct loop_device *lo, struct file *file)
        return loopsize >> 9;
 }
 
+static loff_t get_loop_size(struct loop_device *lo, struct file *file)
+{
+       return get_size(lo->lo_offset, lo->lo_sizelimit, file);
+}
+
 static int
-figure_loop_size(struct loop_device *lo)
+figure_loop_size(struct loop_device *lo, loff_t offset, loff_t sizelimit)
 {
-       loff_t size = get_loop_size(lo, lo->lo_backing_file);
+       loff_t size = get_size(offset, sizelimit, lo->lo_backing_file);
        sector_t x = (sector_t)size;
 
        if (unlikely((loff_t)x != size))
                return -EFBIG;
-
+       if (lo->lo_offset != offset)
+               lo->lo_offset = offset;
+       if (lo->lo_sizelimit != sizelimit)
+               lo->lo_sizelimit = sizelimit;
        set_capacity(lo->lo_disk, x);
-       return 0;                                       
+       return 0;
 }
 
 static inline int
@@ -372,7 +382,8 @@ do_lo_receive(struct loop_device *lo,
 
        if (retval < 0)
                return retval;
-
+       if (retval != bvec->bv_len)
+               return -EIO;
        return 0;
 }
 
@@ -1058,9 +1069,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
 
        if (lo->lo_offset != info->lo_offset ||
            lo->lo_sizelimit != info->lo_sizelimit) {
-               lo->lo_offset = info->lo_offset;
-               lo->lo_sizelimit = info->lo_sizelimit;
-               if (figure_loop_size(lo))
+               if (figure_loop_size(lo, info->lo_offset, info->lo_sizelimit))
                        return -EFBIG;
        }
        loop_config_discard(lo);
@@ -1246,7 +1255,7 @@ static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
        err = -ENXIO;
        if (unlikely(lo->lo_state != Lo_bound))
                goto out;
-       err = figure_loop_size(lo);
+       err = figure_loop_size(lo, lo->lo_offset, lo->lo_sizelimit);
        if (unlikely(err))
                goto out;
        sec = get_capacity(lo->lo_disk);
@@ -1284,13 +1293,19 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
                        goto out_unlocked;
                break;
        case LOOP_SET_STATUS:
-               err = loop_set_status_old(lo, (struct loop_info __user *) arg);
+               err = -EPERM;
+               if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+                       err = loop_set_status_old(lo,
+                                       (struct loop_info __user *)arg);
                break;
        case LOOP_GET_STATUS:
                err = loop_get_status_old(lo, (struct loop_info __user *) arg);
                break;
        case LOOP_SET_STATUS64:
-               err = loop_set_status64(lo, (struct loop_info64 __user *) arg);
+               err = -EPERM;
+               if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+                       err = loop_set_status64(lo,
+                                       (struct loop_info64 __user *) arg);
                break;
        case LOOP_GET_STATUS64:
                err = loop_get_status64(lo, (struct loop_info64 __user *) arg);
index 6b9a2000d56affdd7788ff26581ae587f3937f96..a79fb4f7ff622632809c2b93f47df93fb7561ccb 100644 (file)
@@ -630,6 +630,7 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t
                if (dev->status & 0x10)
                        return -ETIME;
 
+       memset(&hdr, 0, sizeof(hdr));
        hdr.magic = PG_MAGIC;
        hdr.dlen = dev->dlen;
        copy = 0;
index f9b726091ad0bba89464bad3a59f363318eba508..fe4ebc375b3dafd274da41c803cbb9ac37754146 100644 (file)
@@ -100,6 +100,9 @@ static struct usb_device_id btusb_table[] = {
        /* Canyon CN-BTU1 with HID interfaces */
        { USB_DEVICE(0x0c10, 0x0000) },
 
+       /* Broadcom BCM20702A0 */
+       { USB_DEVICE(0x413c, 0x8197) },
+
        { }     /* Terminating entry */
 };
 
index 63e19ba56bbea5a12ee784f023bd13a758eaf611..6035ab8d5ef7e25e6eae89fbfdc53476f248de8b 100644 (file)
@@ -941,7 +941,7 @@ void get_random_bytes(void *buf, int nbytes)
                if (!arch_get_random_long(&v))
                        break;
                
-               memcpy(buf, &v, chunk);
+               memcpy(p, &v, chunk);
                p += chunk;
                nbytes -= chunk;
        }
index 643b055ed3cdc619d07166e8eaa84b2f849252df..8f0491037080df38856b76ec73db77cf18d3320f 100644 (file)
@@ -1,36 +1,29 @@
-config ARCH_HAS_DEVFREQ
-       bool
-       depends on ARCH_HAS_OPP
-       help
-         Denotes that the architecture supports DEVFREQ. If the architecture
-         supports multiple OPP entries per device and the frequency of the
-         devices with OPPs may be altered dynamically, the architecture
-         supports DEVFREQ.
-
 menuconfig PM_DEVFREQ
        bool "Generic Dynamic Voltage and Frequency Scaling (DVFS) support"
-       depends on PM_OPP && ARCH_HAS_DEVFREQ
        help
-         With OPP support, a device may have a list of frequencies and
-         voltages available. DEVFREQ, a generic DVFS framework can be
-         registered for a device with OPP support in order to let the
-         governor provided to DEVFREQ choose an operating frequency
-         based on the OPP's list and the policy given with DEVFREQ.
+         A device may have a list of frequencies and voltages available.
+         devfreq, a generic DVFS framework can be registered for a device
+         in order to let the governor provided to devfreq choose an
+         operating frequency based on the device driver's policy.
 
-         Each device may have its own governor and policy. DEVFREQ can
+         Each device may have its own governor and policy. Devfreq can
          reevaluate the device state periodically and/or based on the
-         OPP list changes (each frequency/voltage pair in OPP may be
-         disabled or enabled).
+         notification to "nb", a notifier block, of devfreq.
 
-         Like some CPUs with CPUFREQ, a device may have multiple clocks.
+         Like some CPUs with CPUfreq, a device may have multiple clocks.
          However, because the clock frequencies of a single device are
-         determined by the single device's state, an instance of DEVFREQ
+         determined by the single device's state, an instance of devfreq
          is attached to a single device and returns a "representative"
-         clock frequency from the OPP of the device, which is also attached
-         to a device by 1-to-1. The device registering DEVFREQ takes the
-         responsiblity to "interpret" the frequency listed in OPP and
+         clock frequency of the device, which is also attached
+         to a device by 1-to-1. The device registering devfreq takes the
+         responsiblity to "interpret" the representative frequency and
          to set its every clock accordingly with the "target" callback
-         given to DEVFREQ.
+         given to devfreq.
+
+         When OPP is used with the devfreq device, it is recommended to
+         register devfreq's nb to the OPP's notifier head.  If OPP is
+         used with the devfreq device, you may use OPP helper
+         functions defined in devfreq.h.
 
 if PM_DEVFREQ
 
index 5d15b812377bc9ad23420e6d41bd7ea62dc62e2f..59d24e9cb8c512a949a24803c5bf11a143fc649d 100644 (file)
@@ -15,7 +15,9 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/init.h>
+#include <linux/module.h>
 #include <linux/slab.h>
+#include <linux/stat.h>
 #include <linux/opp.h>
 #include <linux/devfreq.h>
 #include <linux/workqueue.h>
@@ -416,10 +418,14 @@ out:
  */
 int devfreq_remove_device(struct devfreq *devfreq)
 {
+       bool central_polling;
+
        if (!devfreq)
                return -EINVAL;
 
-       if (!devfreq->governor->no_central_polling) {
+       central_polling = !devfreq->governor->no_central_polling;
+
+       if (central_polling) {
                mutex_lock(&devfreq_list_lock);
                while (wait_remove_device == devfreq) {
                        mutex_unlock(&devfreq_list_lock);
@@ -431,7 +437,7 @@ int devfreq_remove_device(struct devfreq *devfreq)
        mutex_lock(&devfreq->lock);
        _remove_devfreq(devfreq, false); /* it unlocks devfreq->lock */
 
-       if (!devfreq->governor->no_central_polling)
+       if (central_polling)
                mutex_unlock(&devfreq_list_lock);
 
        return 0;
index 9ec854ae118b91c5fea647d61bab7f29117a10a5..91be41f6080947936bdd355f25500397ecfd1dfe 100644 (file)
@@ -315,7 +315,7 @@ config SENSORS_DS1621
 
 config SENSORS_EXYNOS4_TMU
        tristate "Temperature sensor on Samsung EXYNOS4"
-       depends on EXYNOS4_DEV_TMU
+       depends on ARCH_EXYNOS4
        help
          If you say yes here you get support for TMU (Thermal Managment
          Unit) on SAMSUNG EXYNOS4 series of SoC.
index 67cbcfa351225b4f7c60dce041562a411d76430e..847553fd8b963beca810aadb548d2f4f96db666e 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
  *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
- *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2011 Bartlomiej Zolnierkiewicz
  *
  * CYPRESS CY82C693 chipset IDE controller
  *
@@ -90,7 +90,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
        u8 time_16, time_8;
 
        /* select primary or secondary channel */
-       if (hwif->index > 0) {  /* drive is on the secondary channel */
+       if (drive->dn > 1) {  /* drive is on the secondary channel */
                dev = pci_get_slot(dev->bus, dev->devfn+1);
                if (!dev) {
                        printk(KERN_ERR "%s: tune_drive: "
@@ -141,7 +141,7 @@ static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
                pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
                pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
        }
-       if (hwif->index > 0)
+       if (drive->dn > 1)
                pci_dev_put(dev);
 }
 
index 4a697a238e280e2ce14c627d0d1f4bf053b86b45..8716066a2f2b79c1ddeb1236a9b2091d7bd62f63 100644 (file)
@@ -521,8 +521,8 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
        if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) {
                d.init_dma = icside_dma_init;
                d.port_ops = &icside_v6_port_ops;
+       } else
                d.dma_ops = NULL;
-       }
 
        ret = ide_host_register(host, &d, hws);
        if (ret)
index b59d04c720517d722633f9feef63a42505f86625..1892e81fb00f615b80c3dfaa8f10a643037a5eb6 100644 (file)
@@ -331,7 +331,7 @@ static const struct ide_port_ops ich_port_ops = {
                .udma_mask      = udma,                 \
        }
 
-#define DECLARE_ICH_DEV(udma) \
+#define DECLARE_ICH_DEV(mwdma, udma) \
        { \
                .name           = DRV_NAME, \
                .init_chipset   = init_chipset_ich, \
@@ -340,7 +340,7 @@ static const struct ide_port_ops ich_port_ops = {
                .port_ops       = &ich_port_ops, \
                .pio_mask       = ATA_PIO4, \
                .swdma_mask     = ATA_SWDMA2_ONLY, \
-               .mwdma_mask     = ATA_MWDMA12_ONLY, \
+               .mwdma_mask     = mwdma, \
                .udma_mask      = udma, \
        }
 
@@ -362,13 +362,15 @@ static const struct ide_port_info piix_pci_info[] __devinitdata = {
        /* 2: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA2),
        /* 3: ICH0 */
-       DECLARE_ICH_DEV(ATA_UDMA2),
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA2),
        /* 4: ICH */
-       DECLARE_ICH_DEV(ATA_UDMA4),
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA4),
        /* 5: PIIX4 */
        DECLARE_PIIX_DEV(ATA_UDMA4),
-       /* 6: ICH[2-7]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
-       DECLARE_ICH_DEV(ATA_UDMA5),
+       /* 6: ICH[2-6]/ICH[2-3]M/C-ICH/ICH5-SATA/ESB2/ICH8M */
+       DECLARE_ICH_DEV(ATA_MWDMA12_ONLY, ATA_UDMA5),
+       /* 7: ICH7/7-R, no MWDMA1 */
+       DECLARE_ICH_DEV(ATA_MWDMA2_ONLY, ATA_UDMA5),
 };
 
 /**
@@ -438,9 +440,9 @@ static const struct pci_device_id piix_pci_tbl[] = {
 #endif
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB_2),      6 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH6_19),    6 },
-       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    6 },
+       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH7_21),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_82801DB_1),  6 },
-       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    6 },
+       { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ESB2_18),    7 },
        { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ICH8_6),     6 },
        { 0, },
 };
index e53a1b78378b02c414c0c292c954974c763d880d..281c91426345946279412880bc804d01d287ec4c 100644 (file)
@@ -113,12 +113,26 @@ static const struct pci_device_id triflex_pci_tbl[] = {
 };
 MODULE_DEVICE_TABLE(pci, triflex_pci_tbl);
 
+#ifdef CONFIG_PM
+static int triflex_ide_pci_suspend(struct pci_dev *dev, pm_message_t state)
+{
+       /*
+        * We must not disable or powerdown the device.
+        * APM bios refuses to suspend if IDE is not accessible.
+        */
+       pci_save_state(dev);
+       return 0;
+}
+#else
+#define triflex_ide_pci_suspend NULL
+#endif
+
 static struct pci_driver triflex_pci_driver = {
        .name           = "TRIFLEX_IDE",
        .id_table       = triflex_pci_tbl,
        .probe          = triflex_init_one,
        .remove         = ide_pci_remove,
-       .suspend        = ide_pci_suspend,
+       .suspend        = triflex_ide_pci_suspend,
        .resume         = ide_pci_resume,
 };
 
index d593878d66d054e76f75860aec7176b9c012a5cf..5664696f2d3a8512c6ef96aca461dde22e5d486f 100644 (file)
@@ -472,7 +472,7 @@ config BMP085
          module will be called bmp085.
 
 config PCH_PHUB
-       tristate "Intel EG20T PCH / OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB"
+       tristate "Intel EG20T PCH/LAPIS Semicon IOH(ML7213/ML7223/ML7831) PHUB"
        depends on PCI
        help
          This driver is for PCH(Platform controller Hub) PHUB(Packet Hub) of
@@ -480,12 +480,13 @@ config PCH_PHUB
          processor. The Topcliff has MAC address and Option ROM data in SROM.
          This driver can access MAC address and Option ROM data in SROM.
 
-         This driver also can be used for OKI SEMICONDUCTOR IOH(Input/
-         Output Hub), ML7213 and ML7223.
-         ML7213 IOH is for IVI(In-Vehicle Infotainment) use and ML7223 IOH is
-         for MP(Media Phone) use.
-         ML7213/ML7223 is companion chip for Intel Atom E6xx series.
-         ML7213/ML7223 is completely compatible for Intel EG20T PCH.
+         This driver also can be used for LAPIS Semiconductor's IOH,
+         ML7213/ML7223/ML7831.
+         ML7213 which is for IVI(In-Vehicle Infotainment) use.
+         ML7223 IOH is for MP(Media Phone) use.
+         ML7831 IOH is for general purpose use.
+         ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
+         ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
 
          To compile this driver as a module, choose M here: the module will
          be called pch_phub.
index a662f5987b6892591008291e3b5b05506918ed9e..82b2cb77ae197b2124ede9131dc4cbe0902ce0e8 100644 (file)
@@ -100,7 +100,7 @@ enum dpot_devid {
        AD5293_ID = DPOT_CONF(F_RDACS_RW | F_SPI_16BIT, BRDAC0, 10, 27),
        AD7376_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
                        BRDAC0, 7, 28),
-       AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_8BIT,
+       AD8400_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
                        BRDAC0, 8, 29),
        AD8402_ID = DPOT_CONF(F_RDACS_WONLY | F_AD_APPDATA | F_SPI_16BIT,
                        BRDAC0 | BRDAC1, 8, 30),
index 7ce6065dc20e806a06845f08bcec084adbb4418d..eb5cd28bc6d8d7a1917f7f15d82b267b692315f8 100644 (file)
@@ -945,8 +945,7 @@ static int fpga_of_remove(struct platform_device *op)
 /* CTL-CPLD Version Register */
 #define CTL_CPLD_VERSION       0x2000
 
-static int fpga_of_probe(struct platform_device *op,
-                        const struct of_device_id *match)
+static int fpga_of_probe(struct platform_device *op)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1107,7 +1106,7 @@ static struct of_device_id fpga_of_match[] = {
        {},
 };
 
-static struct of_platform_driver fpga_of_driver = {
+static struct platform_driver fpga_of_driver = {
        .probe          = fpga_of_probe,
        .remove         = fpga_of_remove,
        .driver         = {
@@ -1124,12 +1123,12 @@ static struct of_platform_driver fpga_of_driver = {
 static int __init fpga_init(void)
 {
        led_trigger_register_simple("fpga", &ledtrig_fpga);
-       return of_register_platform_driver(&fpga_of_driver);
+       return platform_driver_register(&fpga_of_driver);
 }
 
 static void __exit fpga_exit(void)
 {
-       of_unregister_platform_driver(&fpga_of_driver);
+       platform_driver_unregister(&fpga_of_driver);
        led_trigger_unregister_simple(ledtrig_fpga);
 }
 
index 3965821fef174c308ac73e37072d552287985d91..14e974b2a7812452d14ad2d92979e8d84483da7e 100644 (file)
@@ -1249,8 +1249,7 @@ static bool dma_filter(struct dma_chan *chan, void *data)
        return true;
 }
 
-static int data_of_probe(struct platform_device *op,
-                        const struct of_device_id *match)
+static int data_of_probe(struct platform_device *op)
 {
        struct device_node *of_node = op->dev.of_node;
        struct device *this_device;
@@ -1401,7 +1400,7 @@ static struct of_device_id data_of_match[] = {
        {},
 };
 
-static struct of_platform_driver data_of_driver = {
+static struct platform_driver data_of_driver = {
        .probe          = data_of_probe,
        .remove         = data_of_remove,
        .driver         = {
@@ -1417,12 +1416,12 @@ static struct of_platform_driver data_of_driver = {
 
 static int __init data_init(void)
 {
-       return of_register_platform_driver(&data_of_driver);
+       return platform_driver_register(&data_of_driver);
 }
 
 static void __exit data_exit(void)
 {
-       of_unregister_platform_driver(&data_of_driver);
+       platform_driver_unregister(&data_of_driver);
 }
 
 MODULE_AUTHOR("Ira W. Snyder <iws@ovro.caltech.edu>");
index dee33addcaebf82c2652e089830fff7d442a8ed2..10fc4785dba7dd65330a7008db87a4423a0bedd5 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010 OKI SEMICONDUCTOR CO., LTD.
+ * Copyright (C) 2011 LAPIS Semiconductor Co., Ltd.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #define PCH_PHUB_ROM_START_ADDR_EG20T 0x80 /* ROM data area start address offset
                                              (Intel EG20T PCH)*/
 #define PCH_PHUB_ROM_START_ADDR_ML7213 0x400 /* ROM data area start address
-                                               offset(OKI SEMICONDUCTOR ML7213)
+                                               offset(LAPIS Semicon ML7213)
                                              */
 #define PCH_PHUB_ROM_START_ADDR_ML7223 0x400 /* ROM data area start address
-                                               offset(OKI SEMICONDUCTOR ML7223)
+                                               offset(LAPIS Semicon ML7223)
                                              */
 
 /* MAX number of INT_REDUCE_CONTROL registers */
@@ -73,6 +73,9 @@
 #define PCI_DEVICE_ID_ROHM_ML7223_mPHUB        0x8012 /* for Bus-m */
 #define PCI_DEVICE_ID_ROHM_ML7223_nPHUB        0x8002 /* for Bus-n */
 
+/* Macros for ML7831 */
+#define PCI_DEVICE_ID_ROHM_ML7831_PHUB 0x8801
+
 /* SROM ACCESS Macro */
 #define PCH_WORD_ADDR_MASK (~((1 << 2) - 1))
 
  * @pch_mac_start_address:             MAC address area start address
  * @pch_opt_rom_start_address:         Option ROM start address
  * @ioh_type:                          Save IOH type
+ * @pdev:                              pointer to pci device struct
  */
 struct pch_phub_reg {
        u32 phub_id_reg;
@@ -136,6 +140,7 @@ struct pch_phub_reg {
        u32 pch_mac_start_address;
        u32 pch_opt_rom_start_address;
        int ioh_type;
+       struct pci_dev *pdev;
 };
 
 /* SROM SPEC for MAC address assignment offset */
@@ -471,7 +476,7 @@ static int pch_phub_write_gbe_mac_addr(struct pch_phub_reg *chip, u8 *data)
        int retval;
        int i;
 
-       if (chip->ioh_type == 1) /* EG20T */
+       if ((chip->ioh_type == 1) || (chip->ioh_type == 5)) /* EG20T or ML7831*/
                retval = pch_phub_gbe_serial_rom_conf(chip);
        else    /* ML7223 */
                retval = pch_phub_gbe_serial_rom_conf_mp(chip);
@@ -498,6 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
        unsigned int orom_size;
        int ret;
        int err;
+       ssize_t rom_size;
 
        struct pch_phub_reg *chip =
                dev_get_drvdata(container_of(kobj, struct device, kobj));
@@ -509,6 +515,10 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
        }
 
        /* Get Rom signature */
+       chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+       if (!chip->pch_phub_extrom_base_address)
+               goto exrom_map_err;
+
        pch_phub_read_serial_rom(chip, chip->pch_opt_rom_start_address,
                                (unsigned char *)&rom_signature);
        rom_signature &= 0xff;
@@ -539,10 +549,13 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
                goto return_err;
        }
 return_ok:
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        mutex_unlock(&pch_phub_mutex);
        return addr_offset;
 
 return_err:
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+exrom_map_err:
        mutex_unlock(&pch_phub_mutex);
 return_err_nomutex:
        return err;
@@ -555,6 +568,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
        int err;
        unsigned int addr_offset;
        int ret;
+       ssize_t rom_size;
        struct pch_phub_reg *chip =
                dev_get_drvdata(container_of(kobj, struct device, kobj));
 
@@ -571,6 +585,12 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
                goto return_ok;
        }
 
+       chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+       if (!chip->pch_phub_extrom_base_address) {
+               err = -ENOMEM;
+               goto exrom_map_err;
+       }
+
        for (addr_offset = 0; addr_offset < count; addr_offset++) {
                if (PCH_PHUB_OROM_SIZE < off + addr_offset)
                        goto return_ok;
@@ -585,10 +605,14 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
        }
 
 return_ok:
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
        mutex_unlock(&pch_phub_mutex);
        return addr_offset;
 
 return_err:
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
+
+exrom_map_err:
        mutex_unlock(&pch_phub_mutex);
        return err;
 }
@@ -598,8 +622,14 @@ static ssize_t show_pch_mac(struct device *dev, struct device_attribute *attr,
 {
        u8 mac[8];
        struct pch_phub_reg *chip = dev_get_drvdata(dev);
+       ssize_t rom_size;
+
+       chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+       if (!chip->pch_phub_extrom_base_address)
+               return -ENOMEM;
 
        pch_phub_read_gbe_mac_addr(chip, mac);
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
        return sprintf(buf, "%pM\n", mac);
 }
@@ -608,6 +638,7 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
                             const char *buf, size_t count)
 {
        u8 mac[6];
+       ssize_t rom_size;
        struct pch_phub_reg *chip = dev_get_drvdata(dev);
 
        if (count != 18)
@@ -617,7 +648,12 @@ static ssize_t store_pch_mac(struct device *dev, struct device_attribute *attr,
                (u32 *)&mac[0], (u32 *)&mac[1], (u32 *)&mac[2], (u32 *)&mac[3],
                (u32 *)&mac[4], (u32 *)&mac[5]);
 
+       chip->pch_phub_extrom_base_address = pci_map_rom(chip->pdev, &rom_size);
+       if (!chip->pch_phub_extrom_base_address)
+               return -ENOMEM;
+
        pch_phub_write_gbe_mac_addr(chip, mac);
+       pci_unmap_rom(chip->pdev, chip->pch_phub_extrom_base_address);
 
        return count;
 }
@@ -640,7 +676,6 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
        int retval;
 
        int ret;
-       ssize_t rom_size;
        struct pch_phub_reg *chip;
 
        chip = kzalloc(sizeof(struct pch_phub_reg), GFP_KERNEL);
@@ -677,19 +712,7 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
                "in pch_phub_base_address variable is %p\n", __func__,
                chip->pch_phub_base_address);
 
-       if (id->driver_data != 3) {
-               chip->pch_phub_extrom_base_address =\
-                                                  pci_map_rom(pdev, &rom_size);
-               if (chip->pch_phub_extrom_base_address == 0) {
-                       dev_err(&pdev->dev, "%s: pci_map_rom FAILED", __func__);
-                       ret = -ENOMEM;
-                       goto err_pci_map;
-               }
-               dev_dbg(&pdev->dev, "%s : "
-                       "pci_map_rom SUCCESS and value in "
-                       "pch_phub_extrom_base_address variable is %p\n",
-                       __func__, chip->pch_phub_extrom_base_address);
-       }
+       chip->pdev = pdev; /* Save pci device struct */
 
        if (id->driver_data == 1) { /* EG20T PCH */
                const char *board_name;
@@ -763,6 +786,22 @@ static int __devinit pch_phub_probe(struct pci_dev *pdev,
                chip->pch_opt_rom_start_address =\
                                                 PCH_PHUB_ROM_START_ADDR_ML7223;
                chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_ML7223;
+       } else if (id->driver_data == 5) { /* ML7831 */
+               retval = sysfs_create_file(&pdev->dev.kobj,
+                                          &dev_attr_pch_mac.attr);
+               if (retval)
+                       goto err_sysfs_create;
+
+               retval = sysfs_create_bin_file(&pdev->dev.kobj, &pch_bin_attr);
+               if (retval)
+                       goto exit_bin_attr;
+
+               /* set the prefech value */
+               iowrite32(0x000affaa, chip->pch_phub_base_address + 0x14);
+               /* set the interrupt delay value */
+               iowrite32(0x25, chip->pch_phub_base_address + 0x44);
+               chip->pch_opt_rom_start_address = PCH_PHUB_ROM_START_ADDR_EG20T;
+               chip->pch_mac_start_address = PCH_PHUB_MAC_START_ADDR_EG20T;
        }
 
        chip->ioh_type = id->driver_data;
@@ -773,8 +812,6 @@ exit_bin_attr:
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
 
 err_sysfs_create:
-       pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
-err_pci_map:
        pci_iounmap(pdev, chip->pch_phub_base_address);
 err_pci_iomap:
        pci_release_regions(pdev);
@@ -792,7 +829,6 @@ static void __devexit pch_phub_remove(struct pci_dev *pdev)
 
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_pch_mac.attr);
        sysfs_remove_bin_file(&pdev->dev.kobj, &pch_bin_attr);
-       pci_unmap_rom(pdev, chip->pch_phub_extrom_base_address);
        pci_iounmap(pdev, chip->pch_phub_base_address);
        pci_release_regions(pdev);
        pci_disable_device(pdev);
@@ -847,6 +883,7 @@ static struct pci_device_id pch_phub_pcidev_id[] = {
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7213_PHUB), 2,  },
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_mPHUB), 3,  },
        { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7223_nPHUB), 4,  },
+       { PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ROHM_ML7831_PHUB), 5,  },
        { }
 };
 MODULE_DEVICE_TABLE(pci, pch_phub_pcidev_id);
@@ -873,5 +910,5 @@ static void __exit pch_phub_pci_exit(void)
 module_init(pch_phub_pci_init);
 module_exit(pch_phub_pci_exit);
 
-MODULE_DESCRIPTION("Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7213/ML7223) PHUB");
+MODULE_DESCRIPTION("Intel EG20T PCH/LAPIS Semiconductor IOH(ML7213/ML7223) PHUB");
 MODULE_LICENSE("GPL");
index cfbddbef11de3b67c54be85797dd124843ca8596..43d073bc1d9c5fef61a1cb3a1e741a6cd6b6e0f9 100644 (file)
@@ -903,6 +903,6 @@ static void __exit spear_pcie_gadget_exit(void)
 }
 module_exit(spear_pcie_gadget_exit);
 
-MODULE_ALIAS("pcie-gadget-spear");
+MODULE_ALIAS("platform:pcie-gadget-spear");
 MODULE_AUTHOR("Pratyush Anand");
 MODULE_LICENSE("GPL");
index 583f66cd5bbd63dc199468b87b96baf32582bcb1..654a5e94e0e7c4f227c93b75a7791c406c586d38 100644 (file)
@@ -245,6 +245,8 @@ source "drivers/net/ethernet/Kconfig"
 
 source "drivers/net/fddi/Kconfig"
 
+source "drivers/net/hippi/Kconfig"
+
 config NET_SB1000
        tristate "General Instruments Surfboard 1000"
        depends on PNP
index 5a20804fdece8d1c281e310e49509973185a33ed..4ef7e2fd9fe6f5b577c13fc56a5b2ae45a54a0bd 100644 (file)
@@ -319,6 +319,13 @@ static ssize_t bonding_store_mode(struct device *d,
                goto out;
        }
 
+       if (bond->slave_cnt > 0) {
+               pr_err("unable to update mode of %s because it has slaves.\n",
+                       bond->dev->name);
+               ret = -EPERM;
+               goto out;
+       }
+
        new_value = bond_parse_parm(buf, bond_mode_tbl);
        if (new_value < 0)  {
                pr_err("%s: Ignoring invalid mode value %.*s.\n",
index 6486ab8c8fc87d803a6e5a3d507d50796704db08..2f6361e949f0c836562ff896928cb6709abf883a 100644 (file)
@@ -10548,33 +10548,38 @@ do {                                                                  \
 
 int bnx2x_init_firmware(struct bnx2x *bp)
 {
-       const char *fw_file_name;
        struct bnx2x_fw_file_hdr *fw_hdr;
        int rc;
 
-       if (CHIP_IS_E1(bp))
-               fw_file_name = FW_FILE_NAME_E1;
-       else if (CHIP_IS_E1H(bp))
-               fw_file_name = FW_FILE_NAME_E1H;
-       else if (!CHIP_IS_E1x(bp))
-               fw_file_name = FW_FILE_NAME_E2;
-       else {
-               BNX2X_ERR("Unsupported chip revision\n");
-               return -EINVAL;
-       }
 
-       BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
+       if (!bp->firmware) {
+               const char *fw_file_name;
 
-       rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
-       if (rc) {
-               BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
-               goto request_firmware_exit;
-       }
+               if (CHIP_IS_E1(bp))
+                       fw_file_name = FW_FILE_NAME_E1;
+               else if (CHIP_IS_E1H(bp))
+                       fw_file_name = FW_FILE_NAME_E1H;
+               else if (!CHIP_IS_E1x(bp))
+                       fw_file_name = FW_FILE_NAME_E2;
+               else {
+                       BNX2X_ERR("Unsupported chip revision\n");
+                       return -EINVAL;
+               }
+               BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
 
-       rc = bnx2x_check_firmware(bp);
-       if (rc) {
-               BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
-               goto request_firmware_exit;
+               rc = request_firmware(&bp->firmware, fw_file_name,
+                                     &bp->pdev->dev);
+               if (rc) {
+                       BNX2X_ERR("Can't load firmware file %s\n",
+                                 fw_file_name);
+                       goto request_firmware_exit;
+               }
+
+               rc = bnx2x_check_firmware(bp);
+               if (rc) {
+                       BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
+                       goto request_firmware_exit;
+               }
        }
 
        fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;
@@ -10630,6 +10635,7 @@ static void bnx2x_release_firmware(struct bnx2x *bp)
        kfree(bp->init_ops);
        kfree(bp->init_data);
        release_firmware(bp->firmware);
+       bp->firmware = NULL;
 }
 
 
@@ -10925,6 +10931,8 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
        if (bp->doorbells)
                iounmap(bp->doorbells);
 
+       bnx2x_release_firmware(bp);
+
        bnx2x_free_mem_bp(bp);
 
        free_netdev(dev);
index 0440425c83d6820e3ba2ad12ec57430ec9896492..14517691f8dbe9a759abe26a7e5f5debd2515eb4 100644 (file)
@@ -5380,7 +5380,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        rc = drv->init_fw(bp);
        if (rc) {
                BNX2X_ERR("Error loading firmware\n");
-               goto fw_init_err;
+               goto init_err;
        }
 
        /* Handle the beginning of COMMON_XXX pases separatelly... */
@@ -5388,25 +5388,25 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
        case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
                rc = bnx2x_func_init_cmn_chip(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_COMMON:
                rc = bnx2x_func_init_cmn(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_PORT:
                rc = bnx2x_func_init_port(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        case FW_MSG_CODE_DRV_LOAD_FUNCTION:
                rc = bnx2x_func_init_func(bp, drv);
                if (rc)
-                       goto init_hw_err;
+                       goto init_err;
 
                break;
        default:
@@ -5414,10 +5414,7 @@ static int bnx2x_func_hw_init(struct bnx2x *bp,
                rc = -EINVAL;
        }
 
-init_hw_err:
-       drv->release_fw(bp);
-
-fw_init_err:
+init_err:
        drv->gunzip_end(bp);
 
        /* In case of success, complete the comand immediatelly: no ramrods
index 98849a1fc749995070dadd607175f55ef89d2fa0..b48378a41e492ce3df245214235c25b901a436c1 100644 (file)
@@ -7,6 +7,7 @@ config HAVE_NET_MACB
 
 config NET_ATMEL
        bool "Atmel devices"
+       default y
        depends on HAVE_NET_MACB || (ARM && ARCH_AT91RM9200)
        ---help---
          If you have a network (Ethernet) card belonging to this class, say Y.
index 6bb2b9506cadfde73ddef809bc0fcf78dd202b0a..0b3567ab812151f00210544cc805815b0953a90d 100644 (file)
@@ -34,6 +34,8 @@
 #include <linux/init.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
 
 #include <asm/checksum.h>
 
index fdc6c394c683ed64e9ecd456427e742d0f101bcd..7803efa46eb26b4b9fb5465ea1cb1df15d26d8ed 100644 (file)
@@ -50,7 +50,7 @@
 #include "sky2.h"
 
 #define DRV_NAME               "sky2"
-#define DRV_VERSION            "1.29"
+#define DRV_VERSION            "1.30"
 
 /*
  * The Yukon II chipset takes 64 bit command blocks (called list elements)
@@ -68,7 +68,7 @@
 #define MAX_SKB_TX_LE  (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING         (MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING         1024
-#define TX_DEF_PENDING         127
+#define TX_DEF_PENDING         63
 
 #define TX_WATCHDOG            (5 * HZ)
 #define NAPI_WEIGHT            64
@@ -869,6 +869,7 @@ static void sky2_wol_init(struct sky2_port *sky2)
 
        /* block receiver */
        sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
+       sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_set_tx_stfwd(struct sky2_hw *hw, unsigned port)
@@ -1274,6 +1275,14 @@ static void rx_set_checksum(struct sky2_port *sky2)
                     ? BMU_ENA_RX_CHKSUM : BMU_DIS_RX_CHKSUM);
 }
 
+/*
+ * Fixed initial key as seed to RSS.
+ */
+static const uint32_t rss_init_key[10] = {
+       0x7c3351da, 0x51c5cf4e, 0x44adbdd1, 0xe8d38d18, 0x48897c43,
+       0xb1d60e7e, 0x6a3dd760, 0x01a2e453, 0x16f46f13, 0x1a0e7b30
+};
+
 /* Enable/disable receive hash calculation (RSS) */
 static void rx_set_rss(struct net_device *dev, u32 features)
 {
@@ -1289,12 +1298,9 @@ static void rx_set_rss(struct net_device *dev, u32 features)
 
        /* Program RSS initial values */
        if (features & NETIF_F_RXHASH) {
-               u32 key[nkeys];
-
-               get_random_bytes(key, nkeys * sizeof(u32));
                for (i = 0; i < nkeys; i++)
                        sky2_write32(hw, SK_REG(sky2->port, RSS_KEY + i * 4),
-                                    key[i]);
+                                    rss_init_key[i]);
 
                /* Need to turn on (undocumented) flag to make hashing work  */
                sky2_write32(hw, SK_REG(sky2->port, RX_GMF_CTRL_T),
@@ -1717,6 +1723,8 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
        if (err)
                dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
        else {
+               hw->flags |= SKY2_HW_IRQ_SETUP;
+
                napi_enable(&hw->napi);
                sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
                sky2_read32(hw, B0_IMSK);
@@ -1727,7 +1735,7 @@ static int sky2_setup_irq(struct sky2_hw *hw, const char *name)
 
 
 /* Bring up network interface. */
-static int sky2_up(struct net_device *dev)
+static int sky2_open(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -1747,6 +1755,11 @@ static int sky2_up(struct net_device *dev)
 
        sky2_hw_up(sky2);
 
+       if (hw->chip_id == CHIP_ID_YUKON_OPT ||
+           hw->chip_id == CHIP_ID_YUKON_PRM ||
+           hw->chip_id == CHIP_ID_YUKON_OP_2)
+               imask |= Y2_IS_PHY_QLNK;        /* enable PHY Quick Link */
+
        /* Enable interrupts from phy/mac for port */
        imask = sky2_read32(hw, B0_IMSK);
        imask |= portirq_msk[port];
@@ -2040,6 +2053,8 @@ static void sky2_tx_reset(struct sky2_hw *hw, unsigned port)
 
        sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
        sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
+
+       sky2_read32(hw, B0_CTST);
 }
 
 static void sky2_hw_down(struct sky2_port *sky2)
@@ -2090,7 +2105,7 @@ static void sky2_hw_down(struct sky2_port *sky2)
 }
 
 /* Network shutdown */
-static int sky2_down(struct net_device *dev)
+static int sky2_close(struct net_device *dev)
 {
        struct sky2_port *sky2 = netdev_priv(dev);
        struct sky2_hw *hw = sky2->hw;
@@ -2101,15 +2116,22 @@ static int sky2_down(struct net_device *dev)
 
        netif_info(sky2, ifdown, dev, "disabling interface\n");
 
-       /* Disable port IRQ */
-       sky2_write32(hw, B0_IMSK,
-                    sky2_read32(hw, B0_IMSK) & ~portirq_msk[sky2->port]);
-       sky2_read32(hw, B0_IMSK);
-
        if (hw->ports == 1) {
+               sky2_write32(hw, B0_IMSK, 0);
+               sky2_read32(hw, B0_IMSK);
+
                napi_disable(&hw->napi);
                free_irq(hw->pdev->irq, hw);
+               hw->flags &= ~SKY2_HW_IRQ_SETUP;
        } else {
+               u32 imask;
+
+               /* Disable port IRQ */
+               imask  = sky2_read32(hw, B0_IMSK);
+               imask &= ~portirq_msk[sky2->port];
+               sky2_write32(hw, B0_IMSK, imask);
+               sky2_read32(hw, B0_IMSK);
+
                synchronize_irq(hw->pdev->irq);
                napi_synchronize(&hw->napi);
        }
@@ -2587,7 +2609,7 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last)
        if (netif_running(dev)) {
                sky2_tx_complete(sky2, last);
 
-               /* Wake unless it's detached, and called e.g. from sky2_down() */
+               /* Wake unless it's detached, and called e.g. from sky2_close() */
                if (tx_avail(sky2) > MAX_SKB_TX_LE + 4)
                        netif_wake_queue(dev);
        }
@@ -3258,7 +3280,6 @@ static void sky2_reset(struct sky2_hw *hw)
            hw->chip_id == CHIP_ID_YUKON_PRM ||
            hw->chip_id == CHIP_ID_YUKON_OP_2) {
                u16 reg;
-               u32 msk;
 
                if (hw->chip_id == CHIP_ID_YUKON_OPT && hw->chip_rev == 0) {
                        /* disable PCI-E PHY power down (set PHY reg 0x80, bit 7 */
@@ -3281,11 +3302,6 @@ static void sky2_reset(struct sky2_hw *hw)
                sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
                sky2_pci_write16(hw, PSM_CONFIG_REG4, reg);
 
-               /* enable PHY Quick Link */
-               msk = sky2_read32(hw, B0_IMSK);
-               msk |= Y2_IS_PHY_QLNK;
-               sky2_write32(hw, B0_IMSK, msk);
-
                /* check if PSMv2 was running before */
                reg = sky2_pci_read16(hw, PSM_CONFIG_REG3);
                if (reg & PCI_EXP_LNKCTL_ASPMC)
@@ -3383,7 +3399,7 @@ static void sky2_detach(struct net_device *dev)
                netif_tx_lock(dev);
                netif_device_detach(dev);       /* stop txq */
                netif_tx_unlock(dev);
-               sky2_down(dev);
+               sky2_close(dev);
        }
 }
 
@@ -3393,7 +3409,7 @@ static int sky2_reattach(struct net_device *dev)
        int err = 0;
 
        if (netif_running(dev)) {
-               err = sky2_up(dev);
+               err = sky2_open(dev);
                if (err) {
                        netdev_info(dev, "could not restart %d\n", err);
                        dev_close(dev);
@@ -3410,10 +3426,13 @@ static void sky2_all_down(struct sky2_hw *hw)
 {
        int i;
 
-       sky2_read32(hw, B0_IMSK);
-       sky2_write32(hw, B0_IMSK, 0);
-       synchronize_irq(hw->pdev->irq);
-       napi_disable(&hw->napi);
+       if (hw->flags & SKY2_HW_IRQ_SETUP) {
+               sky2_read32(hw, B0_IMSK);
+               sky2_write32(hw, B0_IMSK, 0);
+
+               synchronize_irq(hw->pdev->irq);
+               napi_disable(&hw->napi);
+       }
 
        for (i = 0; i < hw->ports; i++) {
                struct net_device *dev = hw->dev[i];
@@ -3446,11 +3465,12 @@ static void sky2_all_up(struct sky2_hw *hw)
                netif_wake_queue(dev);
        }
 
-       sky2_write32(hw, B0_IMSK, imask);
-       sky2_read32(hw, B0_IMSK);
-
-       sky2_read32(hw, B0_Y2_SP_LISR);
-       napi_enable(&hw->napi);
+       if (hw->flags & SKY2_HW_IRQ_SETUP) {
+               sky2_write32(hw, B0_IMSK, imask);
+               sky2_read32(hw, B0_IMSK);
+               sky2_read32(hw, B0_Y2_SP_LISR);
+               napi_enable(&hw->napi);
+       }
 }
 
 static void sky2_restart(struct work_struct *work)
@@ -4071,6 +4091,16 @@ static int sky2_set_coalesce(struct net_device *dev,
        return 0;
 }
 
+/*
+ * Hardware is limited to min of 128 and max of 2048 for ring size
+ * and  rounded up to next power of two
+ * to avoid division in modulus calclation
+ */
+static unsigned long roundup_ring_size(unsigned long pending)
+{
+       return max(128ul, roundup_pow_of_two(pending+1));
+}
+
 static void sky2_get_ringparam(struct net_device *dev,
                               struct ethtool_ringparam *ering)
 {
@@ -4098,7 +4128,7 @@ static int sky2_set_ringparam(struct net_device *dev,
 
        sky2->rx_pending = ering->rx_pending;
        sky2->tx_pending = ering->tx_pending;
-       sky2->tx_ring_size = roundup_pow_of_two(sky2->tx_pending+1);
+       sky2->tx_ring_size = roundup_ring_size(sky2->tx_pending);
 
        return sky2_reattach(dev);
 }
@@ -4556,7 +4586,7 @@ static int sky2_device_event(struct notifier_block *unused,
        struct net_device *dev = ptr;
        struct sky2_port *sky2 = netdev_priv(dev);
 
-       if (dev->netdev_ops->ndo_open != sky2_up || !sky2_debug)
+       if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
                return NOTIFY_DONE;
 
        switch (event) {
@@ -4621,8 +4651,8 @@ static __exit void sky2_debug_cleanup(void)
    not allowing netpoll on second port */
 static const struct net_device_ops sky2_netdev_ops[2] = {
   {
-       .ndo_open               = sky2_up,
-       .ndo_stop               = sky2_down,
+       .ndo_open               = sky2_open,
+       .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4638,8 +4668,8 @@ static const struct net_device_ops sky2_netdev_ops[2] = {
 #endif
   },
   {
-       .ndo_open               = sky2_up,
-       .ndo_stop               = sky2_down,
+       .ndo_open               = sky2_open,
+       .ndo_stop               = sky2_close,
        .ndo_start_xmit         = sky2_xmit_frame,
        .ndo_do_ioctl           = sky2_ioctl,
        .ndo_validate_addr      = eth_validate_addr,
@@ -4692,7 +4722,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw,
        spin_lock_init(&sky2->phy_lock);
 
        sky2->tx_pending = TX_DEF_PENDING;
-       sky2->tx_ring_size = roundup_pow_of_two(TX_DEF_PENDING+1);
+       sky2->tx_ring_size = roundup_ring_size(TX_DEF_PENDING);
        sky2->rx_pending = RX_DEF_PENDING;
 
        hw->dev[port] = dev;
index 0af31b8b5f106174b74c99cd124c758d95c71672..ff6f58bf822aa378ffa0975140733fa40bf41f5d 100644 (file)
@@ -2287,6 +2287,7 @@ struct sky2_hw {
 #define SKY2_HW_RSS_BROKEN     0x00000100
 #define SKY2_HW_VLAN_BROKEN     0x00000200
 #define SKY2_HW_RSS_CHKSUM     0x00000400      /* RSS requires chksum */
+#define SKY2_HW_IRQ_SETUP      0x00000800
 
        u8                   chip_id;
        u8                   chip_rev;
index b89c36dbf5b3ea7927fb46252819210bdd55ec26..c2df6c35860317e63a1473e2b69636bedaadc777 100644 (file)
@@ -581,6 +581,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud
                 * Packet is OK - process it.
                 */
                length = be32_to_cpu(cqe->byte_cnt);
+               length -= ring->fcs_del;
                ring->bytes += length;
                ring->packets++;
 
@@ -813,8 +814,11 @@ static int mlx4_en_config_rss_qp(struct mlx4_en_priv *priv, int qpn,
        context->db_rec_addr = cpu_to_be64(ring->wqres.db.dma);
 
        /* Cancel FCS removal if FW allows */
-       if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP)
+       if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_FCS_KEEP) {
                context->param3 |= cpu_to_be32(1 << 29);
+               ring->fcs_del = ETH_FCS_LEN;
+       } else
+               ring->fcs_del = 0;
 
        err = mlx4_qp_to_ready(mdev->dev, &ring->wqres.mtt, context, qp, state);
        if (err) {
index 8fda331c65dfddd19a69da927444ec41be546da4..207b5add3ca848134ea44bf3fadd918ef2912c3f 100644 (file)
@@ -272,6 +272,7 @@ struct mlx4_en_rx_ring {
        u32 prod;
        u32 cons;
        u32 buf_size;
+       u8  fcs_del;
        void *buf;
        void *rx_info;
        unsigned long bytes;
index 1dca57013cb2d868f3881a528a3dccc27e7605a9..1c61d36e657070d16ecf921992e59a883bf574c3 100644 (file)
@@ -609,7 +609,7 @@ struct nv_ethtool_str {
 };
 
 static const struct nv_ethtool_str nv_estats_str[] = {
-       { "tx_bytes" },
+       { "tx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_zero_rexmt" },
        { "tx_one_rexmt" },
        { "tx_many_rexmt" },
@@ -637,7 +637,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
        /* version 2 stats */
        { "tx_deferral" },
        { "tx_packets" },
-       { "rx_bytes" },
+       { "rx_bytes" }, /* includes Ethernet FCS CRC */
        { "tx_pause" },
        { "rx_pause" },
        { "rx_drop_frame" },
@@ -649,7 +649,7 @@ static const struct nv_ethtool_str nv_estats_str[] = {
 };
 
 struct nv_ethtool_stats {
-       u64 tx_bytes;
+       u64 tx_bytes; /* should be ifconfig->tx_bytes + 4*tx_packets */
        u64 tx_zero_rexmt;
        u64 tx_one_rexmt;
        u64 tx_many_rexmt;
@@