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author | Suresh Siddha <suresh.b.siddha@intel.com> | 2005-11-05 16:25:53 (GMT) |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-15 03:55:14 (GMT) |
commit | f5f786d0455c359c554b8f74783f887c0a2c9fac (patch) | |
tree | 2d8bf241afe4d9242657f29f6494ce8763b3418d /arch/i386 | |
parent | e9b59d834faf0305cb6214a358f65f72c57b9e99 (diff) | |
download | linux-fsl-qoriq-f5f786d0455c359c554b8f74783f887c0a2c9fac.tar.xz |
[PATCH] x86-64/i386: Fix CPU model for family 6
According to cpuid instruction in IA32 SDM-Vol2, when computing cpu model,
we need to consider extended model ID for family 0x6 also.
AK: Also added fixes/simplifcation from Petr Vandrovec
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/kernel/cpu/common.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 74145a3..35a67da 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -233,10 +233,10 @@ static void __init early_cpu_detect(void) cpuid(0x00000001, &tfms, &misc, &junk, &cap0); c->x86 = (tfms >> 8) & 15; c->x86_model = (tfms >> 4) & 15; - if (c->x86 == 0xf) { + if (c->x86 == 0xf) c->x86 += (tfms >> 20) & 0xff; + if (c->x86 >= 0x6) c->x86_model += ((tfms >> 16) & 0xF) << 4; - } c->x86_mask = tfms & 15; if (cap0 & (1<<19)) c->x86_cache_alignment = ((misc >> 8) & 0xff) * 8; |