x86, clockevents: add C1E aware idle function

[linux-2.6-block.git] / arch / x86 / kernel / cpu / amd_64.c

diff --git a/arch/x86/kernel/cpu/amd_64.c b/arch/x86/kernel/cpu/amd_64.c
index f5fc161d8f2a48979782ad78ee25227830094059..f8d20588bde98b53b645833973f357166658468e 100644 (file)
--- a/arch/x86/kernel/cpu/amd_64.c
+++ b/arch/x86/kernel/cpu/amd_64.c
@@ -110,28 +110,6 @@ static void __cpuinit early_init_amd_mc(struct cpuinfo_x86 *c)
 #endif
 }
 
-/* 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;
-}
-
 void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 {
        early_init_amd_mc(c);
@@ -212,9 +190,6 @@ void __cpuinit init_amd(struct cpuinfo_x86 *c)
        if (c->x86 == 0x10)
                amd_enable_pci_ext_cfg(c);
 
-       if (amd_apic_timer_broken(c))
-               disable_apic_timer = 1;
-
        if (c == &boot_cpu_data && c->x86 >= 0xf && c->x86 <= 0x11) {
                unsigned long long tseg;