Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, mce: Don't initialize MCEs on unknown CPUs
  x86, mce: don't log boot MCEs on Pentium M (model == 13) CPUs
  x86: Annotate section mismatch warnings in kernel/apic/x2apic_uv_x.c
  x86, mce: therm_throt: Don't log redundant normality
  x86: Fix UV BAU destination subnode id

diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index bddd44f2f0ab5b3dc7dc0e8ad19fe6df52a0525a..80e2984f521c8e51ab1e863e207c0b4b221491b2 100644 (file)
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -133,7 +133,7 @@ struct bau_msg_payload {
  * see table 4.2.3.0.1 in broacast_assist spec.
  */
 struct bau_msg_header {
-       unsigned int dest_subnodeid:6;  /* must be zero */
+       unsigned int dest_subnodeid:6;  /* must be 0x10, for the LB */
        /* bits 5:0 */
        unsigned int base_dest_nodeid:15; /* nasid>>1 (pnode) of */
        /* bits 20:6 */                   /* first bit in node_map */

diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 832e908adcb55fcba7a42614ab09dcf2b782abe1..601159374e8798b6d09d8c1a6d04fd2752cdaacb 100644 (file)
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -46,7 +46,7 @@ static int early_get_nodeid(void)
        return node_id.s.node_id;
 }
 
-static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
        if (!strcmp(oem_id, "SGI")) {
                if (!strcmp(oem_table_id, "UVL"))
@@ -253,7 +253,7 @@ static void uv_send_IPI_self(int vector)
        apic_write(APIC_SELF_IPI, vector);
 }
 
-struct apic apic_x2apic_uv_x = {
+struct apic __refdata apic_x2apic_uv_x = {
 
        .name                           = "UV large system",
        .probe                          = NULL,

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 1cfb623ce11c9aa7217ea5d1f794029c10ec3607..01213048f62f9a1a7e8a58926337c25c67b2711f 100644 (file)
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1226,8 +1226,13 @@ static void mce_init(void)
 }
 
 /* Add per CPU specific workarounds here */
-static void mce_cpu_quirks(struct cpuinfo_x86 *c)
+static int mce_cpu_quirks(struct cpuinfo_x86 *c)
 {
+       if (c->x86_vendor == X86_VENDOR_UNKNOWN) {
+               pr_info("MCE: unknown CPU type - not enabling MCE support.\n");
+               return -EOPNOTSUPP;
+       }
+
        /* This should be disabled by the BIOS, but isn't always */
        if (c->x86_vendor == X86_VENDOR_AMD) {
                if (c->x86 == 15 && banks > 4) {
@@ -1273,11 +1278,20 @@ static void mce_cpu_quirks(struct cpuinfo_x86 *c)
                if ((c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xe)) &&
                        monarch_timeout < 0)
                        monarch_timeout = USEC_PER_SEC;
+
+               /*
+                * There are also broken BIOSes on some Pentium M and
+                * earlier systems:
+                */
+               if (c->x86 == 6 && c->x86_model <= 13 && mce_bootlog < 0)
+                       mce_bootlog = 0;
        }
        if (monarch_timeout < 0)
                monarch_timeout = 0;
        if (mce_bootlog != 0)
                mce_panic_timeout = 30;
+
+       return 0;
 }
 
 static void __cpuinit mce_ancient_init(struct cpuinfo_x86 *c)
@@ -1338,11 +1352,10 @@ void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
        if (!mce_available(c))
                return;
 
-       if (mce_cap_init() < 0) {
+       if (mce_cap_init() < 0 || mce_cpu_quirks(c) < 0) {
                mce_disabled = 1;
                return;
        }
-       mce_cpu_quirks(c);
 
        machine_check_vector = do_machine_check;
 

diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 8bc64cfbe9368fdc204b4ae32874f175dc5696cb..5957a93e5173f2e1e985b1a149a01f5905bb03db 100644 (file)
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -116,11 +116,14 @@ static int therm_throt_process(int curr)
                       cpu, __get_cpu_var(thermal_throttle_count));
 
                add_taint(TAINT_MACHINE_CHECK);
-       } else if (was_throttled) {
+               return 1;
+       }
+       if (was_throttled) {
                printk(KERN_INFO "CPU%d: Temperature/speed normal\n", cpu);
+               return 1;
        }
 
-       return 1;
+       return 0;
 }
 
 #ifdef CONFIG_SYSFS

diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index 8ccabb8a2f6a617ba512574ec2272e1d5ed5b622..77b9689f8edba0bf7db2be473a4d27c4987846fe 100644 (file)
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -744,6 +744,7 @@ uv_activation_descriptor_init(int node, int pnode)
                 * note that base_dest_nodeid is actually a nasid.
                 */
                ad2->header.base_dest_nodeid = uv_partition_base_pnode << 1;
+               ad2->header.dest_subnodeid = 0x10; /* the LB */
                ad2->header.command = UV_NET_ENDPOINT_INTD;
                ad2->header.int_both = 1;
                /*