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From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Huang Ying <ying.huang@intel.com>
Cc: Len Brown <lenb@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Andi Kleen <andi@firstfloor.org>,
	"Luck, Tony" <tony.luck@intel.com>,
	"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>
Subject: Re: [PATCH] ACPI, APEI, Add APEI _OSC support
Date: Fri, 17 Jun 2011 02:34:42 +0100	[thread overview]
Message-ID: <20110617013442.GA30708@srcf.ucam.org> (raw)
In-Reply-To: <4DFAA665.8070305@intel.com>

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

  reply	other threads:[~2011-06-17  1:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-25  6:05 [PATCH] ACPI, APEI, Add APEI _OSC support Huang Ying
2011-06-13 14:50 ` Don Zickus
2011-06-14  6:33   ` Chen Gong
2011-06-14 12:11     ` Don Zickus
2011-06-14 14:52 ` Matthew Garrett
2011-06-15  3:53   ` Huang Ying
2011-06-15 12:17     ` Matthew Garrett
2011-06-16  0:40       ` Huang Ying
2011-06-16  1:38         ` Matthew Garrett
2011-06-16  1:55           ` Huang Ying
2011-06-16  1:57             ` Matthew Garrett
2011-06-17  0:57               ` Huang Ying
2011-06-17  1:34                 ` Matthew Garrett [this message]
2011-06-17  1:40                   ` Huang Ying
2011-06-17  1:42                     ` Matthew Garrett
2011-06-17  1:53                       ` Huang Ying
2011-06-16  9:00           ` Rafael J. Wysocki

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