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(parent: 745600e) | patch
s390/stackleak: Use exrl instead of ex in __stackleak_poison()
authorSven Schnelle <svens@linux.ibm.com>
Wed, 8 Jan 2025 14:27:02 +0000 (15:27 +0100)
committerAlexander Gordeev <agordeev@linux.ibm.com>
Mon, 13 Jan 2025 08:50:17 +0000 (09:50 +0100)
commita88c26bb8e04ee5f2678225c0130a5fbc08eef85
tree241b6087f560abddef59a74213e585a8e635c2d4tree
parent745600ed696593436d2b69211a3d85b588ee18d8commit | diff
s390/stackleak: Use exrl instead of ex in __stackleak_poison()

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>
arch/s390/include/asm/processor.h diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)