From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755200AbdCGLhq (ORCPT ); Tue, 7 Mar 2017 06:37:46 -0500 Received: from foss.arm.com ([217.140.101.70]:46290 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755005AbdCGLhe (ORCPT ); Tue, 7 Mar 2017 06:37:34 -0500 Message-ID: <58BE9B6B.3020000@arm.com> Date: Tue, 07 Mar 2017 11:37:15 +0000 From: James Morse User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.6.0 MIME-Version: 1.0 To: Tyler Baicar CC: christoffer.dall@linaro.org, marc.zyngier@arm.com, pbonzini@redhat.com, rkrcmar@redhat.com, linux@armlinux.org.uk, catalin.marinas@arm.com, will.deacon@arm.com, rjw@rjwysocki.net, lenb@kernel.org, matt@codeblueprint.co.uk, robert.moore@intel.com, lv.zheng@intel.com, nkaje@codeaurora.org, zjzhang@codeaurora.org, mark.rutland@arm.com, akpm@linux-foundation.org, eun.taik.lee@samsung.com, sandeepa.s.prabhu@gmail.com, labbott@redhat.com, shijie.huang@arm.com, rruigrok@codeaurora.org, paul.gortmaker@windriver.com, tn@semihalf.com, fu.wei@linaro.org, rostedt@goodmis.org, bristot@redhat.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-efi@vger.kernel.org, devel@acpica.org, Suzuki.Poulose@arm.com, punit.agrawal@arm.com, astone@redhat.com, harba@codeaurora.org, hanjun.guo@linaro.org, john.garry@huawei.com, shiju.jose@huawei.com, joe@perches.com Subject: Re: [PATCH V12 00/10] Add UEFI 2.6 and ACPI 6.1 updates for RAS on ARM64 References: <1488833103-21082-1-git-send-email-tbaicar@codeaurora.org> In-Reply-To: <1488833103-21082-1-git-send-email-tbaicar@codeaurora.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Tyler, On 06/03/17 20:44, Tyler Baicar wrote: > When a memory error, CPU error, PCIe error, or other type of hardware error > that's covered by RAS occurs, firmware should populate the shared GHES memory > location with the proper GHES structures to notify the OS of the error. > For example, platforms that implement firmware first handling may implement > separate GHES sources for corrected errors and uncorrected errors. If the > error is an uncorrectable error, then the firmware will notify the OS > immediately since the error needs to be handled ASAP. The OS will then be able > to take the appropriate action needed such as offlining a page. If the error > is a corrected error, then the firmware will not interrupt the OS immediately. > Instead, the OS will see and report the error the next time it's GHES timer > expires. The kernel will first parse the GHES structures and report the errors > through the kernel logs and then notify the user space through RAS trace > events. This allows user space applications such as RAS Daemon to see the > errors and report them however the user desires. This patchset extends the > kernel functionality for RAS errors based on updates in the UEFI 2.6 and > ACPI 6.1 specifications. This series doesn't apply cleanly to v4.11-rc1, what did you base it on? Please base this on a v4.11 release candidate if you want it considered for v4.12. Thanks, James