Messages in this thread | | | Date | Tue, 2 Jul 2013 00:45:55 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v3 1/3] mce: acpi/apei: Honour Firmware First for MCA banks listed in APEI HEST CMC |
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On Mon, Jul 01, 2013 at 09:08:47PM +0530, Naveen N. Rao wrote: > The Corrected Machine Check structure (CMC) in HEST has a flag which can be > set by the firmware to indicate to the OS that it prefers to process the > corrected error events first. In this scenario, the OS is expected to not > monitor for corrected errors (through CMCI/polling). Instead, the firmware > notifies the OS on corrected error events through GHES. > > Linux already has support for GHES. This patch adds support for parsing CMC > structure and to disable CMCI/polling if the firmware first flag is set. > > Further, the list of machine check bank structures at the end of CMC is used > to determine which MCA banks function in FF mode, so that we continue to > monitor error events on the other banks. > > > Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Acked-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
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