Messages in this thread | | | Date | Wed, 10 Feb 2016 17:44:55 +0000 | From | Will Deacon <> | Subject | Re: [PATCH V1 0/6] Add UEFI 2.6 and ACPI 6.1 updates for RAS on ARM64 |
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On Fri, Feb 05, 2016 at 12:13:22PM -0700, Tyler Baicar wrote: > Add support for Generic Hardware Error Source (GHES) v2, which introduces the > capability for the OS to acknowledge the consumption of the error record > generated by the Reliability, Availability and Serviceability (RAS) controller. > This eliminates potential race conditions between the OS and the RAS controller. > > Add support for the timestamp field added to the Generic Error Data Entry v3, > allowing the OS to log the time that the error is generated by the firmware, > rather than the time the error is consumed. This improves the correctness of > event sequences when analyzing error logs. The timestamp is added in > ACPI 6.1, reference Table 18-343 Generic Error Data Entry. > > Add support for ARMv8 Common Platform Error Record (CPER) per UEFI 2.6 > specification. ARMv8 specific processor error information is reported as part of > the CPER records. This provides more detail on for processor error logs. > > Synchronous External Abort (SEA) represents a specific processor error condition > in ARM systems. A handler is added to recognize SEA errors, and a notifier is > added to parse and report the errors before the process is killed. Refer to > section N.2.1.1 in the Common Platform Error Record appendix of the UEFI 2.6 > specification. > > Depends on: [PATCH v5] acpi, apei, arm64: APEI initial support for aarch64. > https://lkml.org/lkml/2015/12/10/131
Did the TLB flushing issue ever get sorted out with that series?
http://marc.info/?l=linux-arm-kernel&m=145009373307418&w=2
It doesn't affect arm64, but I think it's a real issue for x86 when local invalidation is in effect to avoid IPIs from interrupt context.
Will
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