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    SubjectRe: [git pull request] ACPI patches for 2.6.34-rc6


    On Tue, 11 May 2010, Matthew Garrett wrote:
    >
    > I see Windows write the SCI_EN bit without reading it first and without
    > calling the ACPI enable SMM function.

    Hmm. So presumably Windows doesn't even do them bit-by-bit, but simply
    does a "restore PM1 Control register value" on resume.

    And I guess it probably does the same for the PM1_ENABLE register and the
    PM2 control registers too?

    Just restoring the whole register values _does_ sound a lot simpler than
    worrying about individual bits.

    Linus


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