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

[mv-sheeva.git] / arch / x86 / kernel / apic / apic.c

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 71c4443bb91f4cc6a679efb32a1757e196442be7..6e29b2a77aa89e113e3605136cf74770317e99aa 100644 (file)
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -61,12 +61,6 @@ unsigned int boot_cpu_physical_apicid = -1U;
 
 /*
  * The highest APIC ID seen during enumeration.
- *
- * This determines the messaging protocol we can use: if all APIC IDs
- * are in the 0 ... 7 range, then we can use logical addressing which
- * has some performance advantages (better broadcasting).
- *
- * If there's an APIC ID above 8, we use physical addressing.
  */
 unsigned int max_physical_apicid;
 
@@ -1647,9 +1641,7 @@ int __init APIC_init_uniprocessor(void)
 #endif
 
        enable_IR_x2apic();
-#ifdef CONFIG_X86_64
        default_setup_apic_routing();
-#endif
 
        verify_local_APIC();
        connect_bsp_APIC();
@@ -1897,28 +1889,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
        if (apicid > max_physical_apicid)
                max_physical_apicid = apicid;
 
-#ifdef CONFIG_X86_32
-       /*
-        * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
-        * but we need to work other dependencies like SMP_SUSPEND etc
-        * before this can be done without some confusion.
-        * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
-        *       - Ashok Raj <ashok.raj@intel.com>
-        */
-       if (max_physical_apicid >= 8) {
-               switch (boot_cpu_data.x86_vendor) {
-               case X86_VENDOR_INTEL:
-                       if (!APIC_XAPIC(version)) {
-                               def_to_bigsmp = 0;
-                               break;
-                       }
-                       /* If P4 and above fall through */
-               case X86_VENDOR_AMD:
-                       def_to_bigsmp = 1;
-               }
-       }
-#endif
-
 #if defined(CONFIG_SMP) || defined(CONFIG_X86_64)
        early_per_cpu(x86_cpu_to_apicid, cpu) = apicid;
        early_per_cpu(x86_bios_cpu_apicid, cpu) = apicid;