diff options
Diffstat (limited to 'include/asm-s390/spinlock.h')
| -rw-r--r-- | include/asm-s390/spinlock.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/asm-s390/spinlock.h b/include/asm-s390/spinlock.h index 8ff10300f7ee..321b23bba1ec 100644 --- a/include/asm-s390/spinlock.h +++ b/include/asm-s390/spinlock.h @@ -47,7 +47,7 @@ extern int _raw_spin_trylock_retry(spinlock_t *lp, unsigned int pc); static inline void _raw_spin_lock(spinlock_t *lp) { - unsigned long pc = (unsigned long) __builtin_return_address(0); + unsigned long pc = 1 | (unsigned long) __builtin_return_address(0); if (unlikely(_raw_compare_and_swap(&lp->lock, 0, pc) != 0)) _raw_spin_lock_wait(lp, pc); @@ -55,7 +55,7 @@ static inline void _raw_spin_lock(spinlock_t *lp) static inline int _raw_spin_trylock(spinlock_t *lp) { - unsigned long pc = (unsigned long) __builtin_return_address(0); + unsigned long pc = 1 | (unsigned long) __builtin_return_address(0); if (likely(_raw_compare_and_swap(&lp->lock, 0, pc) == 0)) return 1; |