[PATCH v5 2/3] arm64: stacktrace: Relax frame record alignment requirement to 8 bytes

Mark Brown broonie at kernel.org
Thu May 13 10:06:24 PDT 2021


On Thu, May 13, 2021 at 09:54:26AM -0700, Peter Collingbourne wrote:
> The AAPCS places no requirements on the alignment of the frame
> record. In theory it could be placed anywhere, although it seems
> sensible to require it to be aligned to 8 bytes. With an upcoming
> enhancement to tag-based KASAN Clang will begin creating frame records
> located at an address that is only aligned to 8 bytes. Accommodate
> such frame records in the stack unwinding code.

Reviewed-by: Mark Brown <broonie at kernel.org>
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