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    SubjectRe: [PATCH 3/3] x86, AMD: Disable wrongly set X86_FEATURE_LAHF_LM CPUID bit
    On 08/30/2009 04:50 AM, Borislav Petkov wrote:
    > clear_cpu_cap(c, X86_FEATURE_LAHF_LM);
    > + if (!rdmsrl_amd_safe(0xc001100d, &val)) {
    > + val &= ~(1ULL << 32);
    > + wrmsr_amd_safe(0xc001100d, (u32) val,
    > + (u32)(val >> 32));
    > + }
    > + }

    We presumably want/need wrmsrl_amd_safe() here!

    -hpa

    --
    H. Peter Anvin, Intel Open Source Technology Center
    I work for Intel. I don't speak on their behalf.



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