[PATCH] [10/20] i386: Move MWAIT idle check to generic CPU initialization

Andi Kleen
2008-01-03T00:53:19Z

Previously it was only run for Intel CPUs, but AMD Fam10h implements MWAIT too.

This matches 64bit behaviour.

Signed-off-by: Andi Kleen <ak@suse.de>

---
arch/x86/kernel/cpu/common.c | 2 ++
arch/x86/kernel/cpu/intel.c | 1 -
2 files changed, 2 insertions(+), 1 deletion(-)

Index: linux/arch/x86/kernel/cpu/common.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/common.c
+++ linux/arch/x86/kernel/cpu/common.c
@@ -510,6 +510,8 @@ void __cpuinit identify_cpu(struct cpuin

/* Init Machine Check Exception if available. */
mcheck_init(c);
+
+ select_idle_routine(c);
}

void __init identify_boot_cpu(void)
Index: linux/arch/x86/kernel/cpu/intel.c
===================================================================
--- linux.orig/arch/x86/kernel/cpu/intel.c
+++ linux/arch/x86/kernel/cpu/intel.c
@@ -134,7 +134,6 @@ static void __cpuinit init_intel(struct
}
#endif

- select_idle_routine(c);
l2 = init_intel_cacheinfo(c);
if (c->cpuid_level > 9 ) {
unsigned eax = cpuid_eax(10);