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

[karo-tx-linux.git] / arch / x86 / kernel / apic / apic.c

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index ae147126b7b702c740ec674455495037cce1cc94..f92a8e5d1e21fd132479068028241405818aa04a 100644 (file)
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -505,7 +505,7 @@ static void __cpuinit setup_APIC_timer(void)
 {
        struct clock_event_device *levt = &__get_cpu_var(lapic_events);
 
-       if (cpu_has(__this_cpu_ptr(&cpu_info), X86_FEATURE_ARAT)) {
+       if (this_cpu_has(X86_FEATURE_ARAT)) {
                lapic_clockevent.features &= ~CLOCK_EVT_FEAT_C3STOP;
                /* Make LAPIC timer preferrable over percpu HPET */
                lapic_clockevent.rating = 150;
@@ -1237,6 +1237,17 @@ void __cpuinit setup_local_APIC(void)
        /* always use the value from LDR */
        early_per_cpu(x86_cpu_to_logical_apicid, cpu) =
                logical_smp_processor_id();
+
+       /*
+        * Some NUMA implementations (NUMAQ) don't initialize apicid to
+        * node mapping during NUMA init.  Now that logical apicid is
+        * guaranteed to be known, give it another chance.  This is already
+        * a bit too late - percpu allocation has already happened without
+        * proper NUMA affinity.
+        */
+       if (apic->x86_32_numa_cpu_node)
+               set_apicid_to_node(early_per_cpu(x86_cpu_to_apicid, cpu),
+                                  apic->x86_32_numa_cpu_node(cpu));
 #endif
 
        /*
@@ -2014,21 +2025,6 @@ void default_init_apic_ldr(void)
        apic_write(APIC_LDR, val);
 }
 
-#ifdef CONFIG_X86_32
-int default_x86_32_numa_cpu_node(int cpu)
-{
-#ifdef CONFIG_NUMA
-       int apicid = early_per_cpu(x86_cpu_to_apicid, cpu);
-
-       if (apicid != BAD_APICID)
-               return __apicid_to_node[apicid];
-       return NUMA_NO_NODE;
-#else
-       return 0;
-#endif
-}
-#endif
-
 /*
  * Power management
  */