s390/barrier: Use alternative instead of ifdef for bcr_serialize()

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Use an alternative to implement bcr_serialize() and use alternative
patching to select between serialization and fast-serialization
depending on the corresponding facility bit.

Reviewed-by: Jan Polensky <japo@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>

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Heiko Carstens 2026-05-08 17:02:46 +02:00 • committed by Alexander Gordeev

parent 29f23176e7

commit a77ec04920

1 changed files with 4 additions and 8 deletions

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arch/s390/include/asm/barrier.h

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