euler inclusion
category: feature
bugzilla: 5289
CVE: NA

[PATCH 1/3] arm64/ras: support sea error recovery
[PATCH 2/3] GHES: add a notify chain for process memory section
[PATCH 3/3] arm64/ras: save error address from memory section for recovery

Add RAS support.

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James solution[1] has not be applied to mainline yet, and
it can't resolve the following problem:
1) no action when failed to do memory_failure;
2) no processor error processing (L2, L3 ...)

For matching the product team's requirement, we could apply
our own solution now. When the mainline could resolve those
problems, we can backport it then.

[1] [v6,00/18] APEI in_nmi() rework
https://patchwork.kernel.org/cover/10611001/Signed-off-by: NXie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: NHanjun Guo <guohanjun@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>