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s390: replace ACCESS_ONCE with READ_ONCE

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Remove the last places of ACCESS_ONCE in s390 code.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Christian Borntraeger
2017-02-10 12:34:49 +01:00
committed by Martin Schwidefsky
parent d321796753
commit 187b5f41b4
3 changed files with 9 additions and 9 deletions
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2
arch/s390/lib/spinlock.c
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@@ -133,7 +133,7 @@ int arch_spin_trylock_retry(arch_spinlock_t *lp)
int count;
for (count = spin_retry; count > 0; count--) {
owner = ACCESS_ONCE(lp->lock);
owner = READ_ONCE(lp->lock);
/* Try to get the lock if it is free. */
if (!owner) {
if (_raw_compare_and_swap(&lp->lock, 0, cpu))