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    SubjectRe: [PATCH 4/4] ACPI, APEI, Add APEI _OSC support
    On Wed, Jun 22, 2011 at 10:21:20AM +0800, Huang Ying wrote:

    > At least on some of my testing machine, generic _OSC call will not
    > return any error even it does not support APEI bit. So I think
    > sometimes it may be helpful to printk something here. To avoid
    > confusion, can we change the message as follow.
    >
    > - generic _OSC succeeded, APEI _OSC failed: APEI firmware first mode is
    > enabled by APEI bit.
    > - generic _OSC failed, APEI _OSC succeeded: APEI firmware first mode is
    > enabled by APEI _OSC.

    "WHEA _OSC", I think. The UUID here is part of the Microsoft spec, not
    the APEI one.

    > - both succeeded: APEI firmware first mode is enabled by APEI bit and
    > APEI _OSC.
    > - both failed: Failed to enable APEI firmware first mode!

    Otherwise, looks good.
    --
    Matthew Garrett | mjg59@srcf.ucam.org


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