2 files changed, 0 insertions, 35 deletions

diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 32054bf5ba40..af838f6b0b7f 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -546,37 +546,6 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
 
-#define ENABLE_C1E_MASK         0x18000000
-#define CPUID_PROCESSOR_SIGNATURE       1
-#define CPUID_XFAM              0x0ff00000
-#define CPUID_XFAM_K8           0x00000000
-#define CPUID_XFAM_10H          0x00100000
-#define CPUID_XFAM_11H          0x00200000
-#define CPUID_XMOD              0x000f0000
-#define CPUID_XMOD_REV_F        0x00040000
-
-/* AMD systems with C1E don't have a working lAPIC timer. Check for that. */
-static __cpuinit int amd_apic_timer_broken(void)
-{
-        u32 lo, hi;
-        u32 eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE);
-        switch (eax & CPUID_XFAM) {
-        case CPUID_XFAM_K8:
-                if ((eax & CPUID_XMOD) < CPUID_XMOD_REV_F)
-                        break;
-        case CPUID_XFAM_10H:
-        case CPUID_XFAM_11H:
-                rdmsr(MSR_K8_ENABLE_C1E, lo, hi);
-                if (lo & ENABLE_C1E_MASK)
-                        return 1;
-                break;
-        default:
-                /* err on the side of caution */
-                return 1;
-        }
-        return 0;
-}
-
 static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 {
         unsigned level;
@@ -648,9 +617,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
         /* Family 10 doesn't support C states in MWAIT so don't use it */
         if (c->x86 == 0x10 && !force_mwait)
                 clear_bit(X86_FEATURE_MWAIT, &c->x86_capability);
-
-        if (amd_apic_timer_broken())
-                disable_apic_timer = 1;
 }
 
 static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h
index e4580203dde2..85125ef3c414 100644
--- a/include/asm-x86_64/apic.h
+++ b/include/asm-x86_64/apic.h
@@ -20,7 +20,6 @@ extern int apic_verbosity;
 extern int apic_runs_main_timer;
 extern int ioapic_force;
 extern int apic_mapped;
-extern int disable_apic_timer;
 
 /*
  * Define the default level of output to be very little