arm64/sme: Disable ZA and streaming mode when handling signals

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The ABI requires that streaming mode and ZA are disabled when invoking
signal handlers, do this in setup_return() when we prepare the task state
for the signal handler.

Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419112247.711548-18-broonie@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2022-04-19 12:22:25 +01:00 • committed by Catalin Marinas

parent 8bd7f91c03

commit 40a8e87bb3

1 changed files with 7 additions and 0 deletions

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arch/arm64/kernel/signal.c

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