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authorH. Peter Anvin <hpa@linux.intel.com>2010-09-28 15:35:01 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2010-09-28 16:33:14 -0700
commitd900329e20f4476db6461752accebcf7935a8055 (patch)
tree124a958a91f2b7652fd379cdc9c1d0a067b254d1 /arch/x86/kernel/cpu/intel.c
parent0f44fbd297e1cda5d9ecc9f5321a86fe647c7d4a (diff)
downloadop-kernel-dev-d900329e20f4476db6461752accebcf7935a8055.zip
op-kernel-dev-d900329e20f4476db6461752accebcf7935a8055.tar.gz
x86, cpu: After uncapping CPUID, re-run CPU feature detection
After uncapping the CPUID level, we need to also re-run the CPU feature detection code. This resolves kernel bugzilla 16322. Reported-by: boris64 <bugzilla.kernel.org@boris64.net> Cc: <stable@kernel.org> v2.6.29..2.6.35 LKML-Reference: <tip-@git.kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/cpu/intel.c')
-rw-r--r--arch/x86/kernel/cpu/intel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 85f69cd..b438944 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -39,6 +39,7 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
misc_enable &= ~MSR_IA32_MISC_ENABLE_LIMIT_CPUID;
wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
c->cpuid_level = cpuid_eax(0);
+ get_cpu_cap(c);
}
}
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