arm64/signal: Add FPMR signal handling

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Expose FPMR in the signal context on systems where it is supported. The
kernel validates the exact size of the FPSIMD registers so we can't readily
add it to fpsimd_context without disruption.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240306-arm64-2023-dpisa-v5-4-c568edc8ed7f@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

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Mark Brown 2024-03-06 23:14:49 +00:00 • committed by Catalin Marinas

parent 203f2b95a8

commit 8c46def444

2 changed files with 67 additions and 0 deletions

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arch/arm64/include/uapi/asm/sigcontext.h

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59

arch/arm64/kernel/signal.c

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