s390/stackleak: Use exrl instead of ex in __stackleak_poison()

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[ Upstream commit a88c26bb8e ]

exrl is present in all machines currently supported, therefore prefer
it over ex. This saves one instruction and doesn't need an additional
register to hold the address of the target instruction.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Sven Schnelle 2025-01-08 15:27:02 +01:00 • committed by Greg Kroah-Hartman

parent dc5da27305

commit 52c0b3cb6f

1 changed files with 1 additions and 2 deletions

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arch/s390/include/asm/processor.h

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