Messages in this thread | | | Date | Fri, 17 Jun 2011 02:34:42 +0100 | From | Matthew Garrett <> | Subject | Re: [PATCH] ACPI, APEI, Add APEI _OSC support |
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On Fri, Jun 17, 2011 at 08:57:09AM +0800, Huang Ying wrote: > On 06/16/2011 09:57 AM, Matthew Garrett wrote: > > Yeah, this is going to be a problem. We have the HEST available at this > > point so we ought to be able to parse it, though. I'll take a look > > tomorrow. > > We can check the HEST table before _OSC evaluating. But it is much > harder to check software part, because we have implemented GHES support > (Generic Hardware Error Source, the handler of firmware first mode > hardware error notification) as device driver and module.
If the kernel has been configured with support for the feature then I think we ought to be able to assume that the kernel will support it at runtime.
> So I think we can do that in 2 steps. At first, we just enable WHEA > UUID, because that is easier to do. Then we find a way to implement > "APEI bit" in generic _OSC call. Do you think that is a good idea?
I'm fine with that, providing that GHES isn't disabled purely because the WHEA UUID call wasn't successful.
-- Matthew Garrett | mjg59@srcf.ucam.org
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