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| author | Paul Mackerras <paulus@ozlabs.org> | 2018-01-19 12:09:57 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@ozlabs.org> | 2018-01-19 12:09:57 +1100 |
| commit | d27998185da8fbdc35911307ae13518d168778d7 (patch) | |
| tree | 4c5a99fd7cff7c9da1f858fdfccf8dc1cc6c597b /arch/s390/lib/spinlock.c | |
| parent | 00608e1f007e4cf6031485c5630e0e504bceef9b (diff) | |
| parent | d075745d893c78730e4a3b7a60fca23c2f764081 (diff) | |
| download | linux-stable-d27998185da8fbdc35911307ae13518d168778d7.tar.gz linux-stable-d27998185da8fbdc35911307ae13518d168778d7.tar.bz2 linux-stable-d27998185da8fbdc35911307ae13518d168778d7.zip | |
Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next
This merges in the ppc-kvm topic branch of the powerpc tree to get
two patches which are prerequisites for the following patch series,
plus another patch which touches both powerpc and KVM code.
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
Diffstat (limited to 'arch/s390/lib/spinlock.c')
| -rw-r--r-- | arch/s390/lib/spinlock.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index 84c0faeaf7ea..30a7c8c29964 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -78,7 +78,7 @@ static inline int arch_load_niai4(int *lock) ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ " l %0,%1\n" : "=d" (owner) : "Q" (*lock) : "memory"); - return owner; + return owner; } static inline int arch_cmpxchg_niai8(int *lock, int old, int new) @@ -226,9 +226,10 @@ static inline void arch_spin_lock_classic(arch_spinlock_t *lp) /* Try to get the lock if it is free. */ if (!owner) { new = (old & _Q_TAIL_MASK) | lockval; - if (arch_cmpxchg_niai8(&lp->lock, old, new)) + if (arch_cmpxchg_niai8(&lp->lock, old, new)) { /* Got the lock */ - return; + return; + } continue; } if (count-- >= 0) |