diff options
| -rw-r--r-- | arch/s390/include/asm/spinlock.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 9601e27d3291..f87dd0a84855 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -82,9 +82,9 @@ static inline void arch_spin_unlock(arch_spinlock_t *lp) kcsan_release(); asm_inline volatile( ALTERNATIVE("nop", ".insn rre,0xb2fa0000,7,0", ALT_FACILITY(49)) /* NIAI 7 */ - " sth %[zero],%[lock]\n" - : [lock] "=R" (((unsigned short *)&lp->lock)[1]) - : [zero] "d" (0) + " mvhhi %[lock],0\n" + : [lock] "=Q" (((unsigned short *)&lp->lock)[1]) + : : "memory"); } |