s390/spinlock: use R constraint in inline assembly

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Allow the compiler to generate slightly better code by using the R
constraint.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Heiko Carstens 2021-03-22 16:12:56 +01:00

parent 000174233b

commit 4f9abb7e70

1 changed files with 1 additions and 1 deletions

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arch/s390/include/asm/spinlock.h

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