x86, clockevents: add C1E aware idle function

[linux-2.6-block.git] / arch / x86 / kernel / cpu / amd.c

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index e76b49e7a916cf6f183769586c2e3a415774a853..acc891ae590185b5392ed9cf59988bfd4576aee9 100644 (file)
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -24,31 +24,6 @@
 extern void vide(void);
 __asm__(".align 4\nvide: ret");
 
-#ifdef CONFIG_X86_LOCAL_APIC
-
-/* AMD systems with C1E don't have a working lAPIC timer. Check for that. */
-static __cpuinit int amd_apic_timer_broken(struct cpuinfo_x86 *c)
-{
-       u32 lo, hi;
-
-       if (c->x86 < 0x0F)
-               return 0;
-
-       /* Family 0x0f models < rev F do not have this MSR */
-       if (c->x86 == 0x0f && c->x86_model < 0x40)
-               return 0;
-
-       rdmsr(MSR_K8_INT_PENDING_MSG, lo, hi);
-       if (lo & K8_INTP_C1E_ACTIVE_MASK) {
-               if (smp_processor_id() != boot_cpu_physical_apicid)
-                       printk(KERN_INFO "AMD C1E detected late. "
-                              "Force timer broadcast.\n");
-               return 1;
-       }
-       return 0;
-}
-#endif
-
 int force_mwait __cpuinitdata;
 
 static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
@@ -285,11 +260,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
                        num_cache_leaves = 3;
        }
 
-#ifdef CONFIG_X86_LOCAL_APIC
-       if (amd_apic_timer_broken(c))
-               local_apic_timer_disabled = 1;
-#endif
-
        /* K6s reports MCEs but don't actually have all the MSRs */
        if (c->x86 < 6)
                clear_cpu_cap(c, X86_FEATURE_MCE);