s390/facilities: optimize test_facility()

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test_facility() can be optimized for bits which must be set anyway,
due to the check in head.S. This removes a couple of superfluous
runtime checks.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2015-11-24 13:48:27 +01:00 • committed by Martin Schwidefsky

parent 185edd4431

commit 6ab6c31a54

1 changed files with 6 additions and 0 deletions

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arch/s390/include/asm/facility.h

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