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    SubjectRe: [PATCH 1/3] x86, intel: Output microcode revision
    > > This can happen if for example the BIOS somehow does not apply the right 
    > > microcode to all CPUs. It can also happen if physically different microcode
    > > version CPUs are mixed. In theory people can mix steppings as well.
    > In PRACTICE people WILL mix steppings as well.

    Yes exactly. I used to have a system with one P3 supporting FXSAVE
    and other not :-) I had to fix the kernel back then to support this.
    The system worked perfectly fine after the kernel was fixed.

    So the check proposed is a bad idea. It would trigger
    on real boxes which don't have any obvious problems.


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      Last update: 2011-05-25 19:01    [W:0.019 / U:27.700 seconds]
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