linux-kernel - Re: [PATCH 7/9] PCIe, AER, add aer_recover

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Message-ID: <4DE71B09.70304@intel.com>
Date:	Thu, 02 Jun 2011 13:09:29 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
CC:	Len Brown <lenb@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>,
	"Luck, Tony" <tony.luck@...el.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"Zhang, Yanmin" <yanmin.zhang@...el.com>
Subject: Re: [PATCH 7/9] PCIe, AER, add aer_recover_queue

Hi, Jesse,

On 06/02/2011 02:49 AM, Jesse Barnes wrote:
> On Tue, 17 May 2011 16:08:37 +0800
> Huang Ying <ying.huang@...el.com> wrote:
> 
>> In addition to native PCIe AER, now APEI (ACPI Platform Error
>> Interface) GHES (Generic Hardware Error Source) can be used to report
>> PCIe AER errors too.  To add support to APEI GHES PCIe AER recovery,
>> aer_recover_queue is added to export the recovery function in native
>> PCIe AER driver.
>>
>> Recoverable PCIe AER errors are reported via NMI in APEI GHES.  Then
>> APEI GHES uses irq_work to delay the error processing into an IRQ
>> handler.  But PCIe AER recovery can be very time-consuming, so
>> aer_recover_queue, which can be used in IRQ handler, delays the real
>> recovery action into the process context, that is, work queue.
> 
> Have the dependencies for this already landed?  Or does this one need
> to go first?

This patch has no external dependencies and can go first.

Best Regards,
Huang Ying
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