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    SubjectRe: [PATCH 1/10] Cr4 is valid on some 486s
    Pavel Machek wrote:
    > Hi!
    >
    >
    >>So some 486 processors do have CR4 register. Allow them to present it in
    >>register dumps by using the old fault technique rather than testing processor
    >>family.
    >
    >
    > I thought Andi commented this as "way too risky", for little
    > good. Nested exceptions are evil.
    > Pavel

    I think the 486's that have CR4 are the same that have CPUID, and thus
    can be tested for by the presence of the ID flag.

    -hpa
    -
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