1 files changed, 1 insertions, 10 deletions

diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 67e9b4a1e89d..c7b6a694ca22 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -99,15 +99,6 @@ static void mwait_idle(void)
                 local_irq_enable();
 }
 
-
-static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
-{
-        if (force_mwait)
-                return 1;
-        /* Any C1 states supported? */
-        return c->cpuid_level >= 5 && ((cpuid_edx(5) >> 4) & 0xf) > 0;
-}
-
 /*
  * On SMP it's slightly faster (but much more power-consuming!)
  * to poll the ->work.need_resched flag instead of waiting for the
@@ -131,7 +122,7 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
                         " performance may degrade.\n");
         }
 #endif
-        if (cpu_has(c, X86_FEATURE_MWAIT) && mwait_usable(c)) {
+        if (cpu_has(c, X86_FEATURE_MWAIT)) {
                 /*
                  * Skip, if setup has overridden idle.
                  * One CPU supports mwait => All CPUs supports mwait