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    SubjectRe: [git pull request] ACPI patches for 2.6.34-rc6
    On Tue, May 11, 2010 at 11:17:34AM -0700, Linus Torvalds wrote:
    >
    >
    > 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.

    Yup.

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

    Haven't checked those, but could do so easily enough.

    (I say easily enough. Turns out that getting Windows to do S3 under qemu
    is a fair amount of work)
    --
    Matthew Garrett | mjg59@srcf.ucam.org


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