x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h
Andi Kleen [Sun, 22 Jul 2007 09:12:34 +0000 (11:12 +0200)]
Previously this flag was only used on 32bit, but some shared code can use
it now.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/x86_64/kernel/setup.c

index 6fa0a30..af838f6 100644 (file)
@@ -608,6 +608,9 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
        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);