From mboxrd@z Thu Jan 1 00:00:00 1970 From: james.morse@arm.com (James Morse) Date: Tue, 07 Mar 2017 11:37:15 +0000 Subject: [PATCH V12 00/10] Add UEFI 2.6 and ACPI 6.1 updates for RAS on ARM64 In-Reply-To: <1488833103-21082-1-git-send-email-tbaicar@codeaurora.org> References: <1488833103-21082-1-git-send-email-tbaicar@codeaurora.org> Message-ID: <58BE9B6B.3020000@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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