From 0bd8acd1a7fbb5492c1de8af271b6964a7fd5274 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Sun, 22 Jul 2007 11:12:34 +0200 Subject: [PATCH] x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h Previously this flag was only used on 32bit, but some shared code can use it now. Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- arch/x86_64/kernel/setup.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 6fa0a302e2aa..af838f6b0b7f 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -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); -- 2.39.2