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(parent: 693d92a) | patch
x86, cpufeature: Fix cpuid leaf 7 feature detection
authorFenghua Yu <fenghua.yu@intel.com>
Tue, 17 May 2011 19:33:26 +0000 (12:33 -0700)
committerH. Peter Anvin <hpa@linux.intel.com>
Tue, 17 May 2011 20:36:29 +0000 (13:36 -0700)
commit2494b030ba9334c7dd7df9b9f7abe4eacc950ec5
tree1d772a197843f9f90a040566cfe6313add367c72tree | snapshot (tar.gz zip)
parent693d92a1bbc9e42681c42ed190bd42b636ca876fcommit | diff
x86, cpufeature: Fix cpuid leaf 7 feature detection

CPUID leaf 7, subleaf 0 returns the maximum subleaf in EAX, not the
number of subleaves.  Since so far only subleaf 0 is defined (and only
the EBX bitfield) we do not need to qualify the test.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Link: http://lkml.kernel.org/r/1305660806-17519-1-git-send-email-fenghua.yu@intel.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: <stable@kernel.org> 2.6.36..39
arch/x86/kernel/cpu/common.c diff | blob | blame | history