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[0/2] arm64/sme: Fix handling of traps on resume

Message ID 20240130-arm64-sme-resume-v1-0-0e60ebba18df@kernel.org (mailing list archive)
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Series arm64/sme: Fix handling of traps on resume | expand

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Mark Brown Jan. 30, 2024, 12:02 a.m. UTC 
The fast model was recently changed to reset system registers to 0 on
resume, exposing the fact that for SME we do not restore the
configuration of traps for extensions that add state.  Fix this.

Signed-off-by: Mark Brown <broonie@kernel.org>
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Mark Brown (2):
      arm64/sme: Restore SMCR on exit from suspend
      arm64/sme: Restore SMCR_EL1.EZT0 on exit from suspend

 arch/arm64/include/asm/fpsimd.h |  2 ++
 arch/arm64/kernel/fpsimd.c      | 15 +++++++++++++++
 arch/arm64/kernel/suspend.c     |  3 +++
 3 files changed, 20 insertions(+)
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base-commit: 41bccc98fb7931d63d03f326a746ac4d429c1dd3
change-id: 20240129-arm64-sme-resume-3266150292b6

Best regards,