KVM: s390: Use try_cmpxchg() instead of cmpxchg() loops

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Convert all cmpxchg() loops to try_cmpxchg() loops. With gcc 14 and the
usage of flag output operands in try_cmpxchg() this allows the compiler to
generate slightly better code.

Acked-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20241126102515.3178914-2-hca@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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This commit is contained in:

Heiko Carstens 2024-11-26 11:25:13 +01:00

parent 7726b55b5d

commit 5618c53d96

4 changed files with 18 additions and 19 deletions

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16

arch/s390/kvm/gaccess.c

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12

arch/s390/kvm/interrupt.c

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4

arch/s390/kvm/kvm-s390.c

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5

arch/s390/kvm/pci.c

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