Re: [PATCH 4/4] ACPI, APEI, Add APEI _OSC support

From: Matthew Garrett
Date: Wed Jun 22 2011 - 11:50:09 EST


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@xxxxxxxxxxxxx
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