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    SubjectRe: [PATCH -tip] x86: cpu/proc.c adding extended_cpuid_level for /proc/cpuinfo
    Borislav Petkov wrote:
    >>>
    >> why we need cpuid_level ?
    >
    > It is already visible in userspace. I think you've got an answer to a
    > very similar question already:
    >
    > http://marc.info/?l=linux-kernel&m=124206571628464
    >

    extended_cpuid_level should be motivated, but probably does make sense.
    It hardly "completes" /proc/cpuinfo; especially if you consider that
    there are at least three additional ranges in wide use (two used by a
    single vendor only, and the third by virtualization software.)

    -hpa

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



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