Merge branch 'x86/amd-nb' into x86/apic-cleanups
[~shefty/rdma-dev.git] / arch / x86 / kernel / apic / io_apic.c
index 7cc0a721f628c302d0d420ba0bf3af1945d5a1c0..4abf08aab3d45b062d0c32b575acb51191afb80a 100644 (file)
@@ -1934,8 +1934,7 @@ void disable_IO_APIC(void)
  *
  * by Matt Domsch <Matt_Domsch@dell.com>  Tue Dec 21 12:25:05 CST 1999
  */
-
-void __init setup_ioapic_ids_from_mpc(void)
+void __init setup_ioapic_ids_from_mpc_nocheck(void)
 {
        union IO_APIC_reg_00 reg_00;
        physid_mask_t phys_id_present_map;
@@ -1944,15 +1943,6 @@ void __init setup_ioapic_ids_from_mpc(void)
        unsigned char old_id;
        unsigned long flags;
 
-       if (acpi_ioapic)
-               return;
-       /*
-        * Don't check I/O APIC IDs for xAPIC systems.  They have
-        * no meaning without the serial APIC bus.
-        */
-       if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
-               || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
-               return;
        /*
         * This is broken; anything with a real cpu count has to
         * circumvent this idiocy regardless.
@@ -2006,7 +1996,6 @@ void __init setup_ioapic_ids_from_mpc(void)
                        physids_or(phys_id_present_map, phys_id_present_map, tmp);
                }
 
-
                /*
                 * We need to adjust the IRQ routing table
                 * if the ID changed.
@@ -2042,6 +2031,21 @@ void __init setup_ioapic_ids_from_mpc(void)
                        apic_printk(APIC_VERBOSE, " ok.\n");
        }
 }
+
+void __init setup_ioapic_ids_from_mpc(void)
+{
+
+       if (acpi_ioapic)
+               return;
+       /*
+        * Don't check I/O APIC IDs for xAPIC systems.  They have
+        * no meaning without the serial APIC bus.
+        */
+       if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
+               || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+               return;
+       setup_ioapic_ids_from_mpc_nocheck();
+}
 #endif
 
 int no_timer_check __initdata;
@@ -3639,7 +3643,7 @@ int __init io_apic_get_redir_entries (int ioapic)
        return reg_01.bits.entries + 1;
 }
 
-void __init probe_nr_irqs_gsi(void)
+static void __init probe_nr_irqs_gsi(void)
 {
        int nr;
 
@@ -3956,7 +3960,7 @@ static struct resource * __init ioapic_setup_resources(int nr_ioapics)
        return res;
 }
 
-void __init ioapic_init_mappings(void)
+void __init ioapic_and_gsi_init(void)
 {
        unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
        struct resource *ioapic_res;
@@ -3994,6 +3998,8 @@ fake_ioapic_page:
                ioapic_res->end = ioapic_phys + IO_APIC_SLOT_SIZE - 1;
                ioapic_res++;
        }
+
+       probe_nr_irqs_gsi();
 }
 
 void __init ioapic_insert_resources(void)