[PATCH] [4/11] x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h

From: Andi Kleen
Date: Fri Jul 20 2007 - 11:38:58 EST



Previously this flag was only used on 32bit, but some shared code can use
it now.

Signed-off-by: Andi Kleen <ak@xxxxxxx>

Index: linux/arch/x86_64/kernel/setup.c
===================================================================
--- linux.orig/arch/x86_64/kernel/setup.c
+++ linux/arch/x86_64/kernel/setup.c
@@ -612,6 +612,9 @@ static void __cpuinit init_amd(struct cp
else
num_cache_leaves = 3;

+ if (c->x86 == 0xf || c->x86 == 0x10 || c->x86 == 0x11)
+ set_bit(X86_FEATURE_K8, &c->x86_capability);
+
/* RDTSC can be speculated around */
clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);

-
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