From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH 7/9] PCIe, AER, add aer_recover_queue Date: Wed, 1 Jun 2011 11:49:37 -0700 Message-ID: <20110601114937.69d69916@jbarnes-desktop> References: <1305619719-7480-1-git-send-email-ying.huang@intel.com> <1305619719-7480-8-git-send-email-ying.huang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from oproxy1-pub.bluehost.com ([66.147.249.253]:60697 "HELO oproxy1-pub.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752942Ab1FASt5 (ORCPT ); Wed, 1 Jun 2011 14:49:57 -0400 In-Reply-To: <1305619719-7480-8-git-send-email-ying.huang@intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Huang Ying Cc: Len Brown , linux-kernel@vger.kernel.org, Andi Kleen , Tony Luck , linux-acpi@vger.kernel.org, Zhang Yanmin On Tue, 17 May 2011 16:08:37 +0800 Huang Ying 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? Thanks, -- Jesse Barnes, Intel Open Source Technology Center