s390/cpum_sf: Convert to cmpxchg128()

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Now that there is a cross arch u128 and cmpxchg128(), use those
instead of the custom CDSG helper.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20230531132324.058821078@infradead.org

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Peter Zijlstra 2023-05-31 15:08:45 +02:00

parent febe950dbf

commit 497cc42bf5

2 changed files with 4 additions and 14 deletions

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2

arch/s390/include/asm/cpu_mf.h

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16

arch/s390/kernel/perf_cpum_sf.c

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