x86: use the correct cpuid method to detect MWAIT support for C states

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / setup_64.c

diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 71a420c7fee7ae45d4a91451953d1fe952d69fe5..4a3f00b49236aac3f105b13163694dcdc1a0165f 100644 (file)
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -761,10 +761,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
        /* MFENCE stops RDTSC speculation */
        set_cpu_cap(c, X86_FEATURE_MFENCE_RDTSC);
 
-       /* Family 10 doesn't support C states in MWAIT so don't use it */
-       if (c->x86 == 0x10 && !force_mwait)
-               clear_cpu_cap(c, X86_FEATURE_MWAIT);
-
        if (amd_apic_timer_broken())
                disable_apic_timer = 1;
 }