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(parent: e88a0fa) | patch
x86: correct the CPUID pattern for MSR_IA32_MISC_ENABLE availability
authorH. Peter Anvin <hpa@zytor.com>
Mon, 26 Jan 2009 17:40:58 +0000 (09:40 -0800)
committerH. Peter Anvin <hpa@zytor.com>
Mon, 26 Jan 2009 17:40:58 +0000 (09:40 -0800)
commit30a0fb947a68ad3ab8a7184e3b3d79dce10e3688
tree1c2d4059264b71b36d00dcc96c333a47e28ae18atree | snapshot
parente88a0faae5baaaa3bdc6f23a55ad6bc7a7b4aa77commit | diff
x86: correct the CPUID pattern for MSR_IA32_MISC_ENABLE availability

Impact: re-enable CPUID unmasking on affected processors

As far as I am capable of discerning from the documentation,
MSR_IA32_MISC_ENABLE should be available for all family 0xf CPUs, as
well as family 6 for model >= 0xd (newer Pentium M).

The documentation on this isn't ideal, so we need to be on the lookout
for errors, still.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
arch/x86/kernel/cpu/intel.c diff | blob | history
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