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x86_64: Set K8 CPUID flag for K8/Fam10h/Fam11h
author
Andi Kleen
<ak@suse.de>
Sun, 22 Jul 2007 09:12:34 +0000
(11:12 +0200)
committer
Linus Torvalds
<torvalds@woody.linux-foundation.org>
Sun, 22 Jul 2007 18:03:38 +0000
(11:03 -0700)
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
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diff --git
a/arch/x86_64/kernel/setup.c
b/arch/x86_64/kernel/setup.c
index 6fa0a302e2aa9b121daa487220b27efdbd88f570..af838f6b0b7fc9b7e3ed4de0ab12992e48cf9f18 100644
(file)
--- 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);