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    SubjectRe: [PATCH] restore sysenter MSRs at resume
    On Sul, 2003-05-11 at 20:01, Linus Torvalds wrote:
    > However, the fact that the SYSENTER MSR needs to be restored makes me
    > suspect that the other MSR/MTRR also will need restoring. I don't see
    > where we'd be doing that, but it sounds to me like it should be done here
    > too..

    Some laptops certainly require the MTRR restore to happen. MSRs are
    mostly less of a problem because the profiling stuff is broken on PIII
    unless you disable/re-enable it across power save anyway.

    Some laptops also lose all the AGP settings in the chipset.

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