arm64: hibernate: Restore DAIF state on error

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Sashiko AI has reported that if swsusp_mte_save_tags() for some reason
fails we return from swsusp_arch_suspend() with DAIF being masked -
that is not what we'd expect. Restore the saved DAIF state before
returning from the error path.

Fixes: ee11f332af ("arm64: mte: Save tags when hibernating")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Reviewed-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Will Deacon <will@kernel.org>

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Vladimir Murzin 2026-07-27 17:34:12 +01:00 • committed by Will Deacon

parent 684bde1001

commit 5415498278

1 changed files with 3 additions and 1 deletions

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arch/arm64/kernel/hibernate.c

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