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author | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
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committer | James Morris <james.l.morris@oracle.com> | 2014-11-19 21:32:12 +1100 |
commit | b10778a00d40b3d9fdaaf5891e802794781ff71c (patch) | |
tree | 6ba4cbac86eecedc3f30650e7f764ecf00c83898 /arch/powerpc/include/asm/spinlock.h | |
parent | 594081ee7145cc30a3977cb4e218f81213b63dc5 (diff) | |
parent | bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9 (diff) |
Merge commit 'v3.17' into next
Diffstat (limited to 'arch/powerpc/include/asm/spinlock.h')
-rw-r--r-- | arch/powerpc/include/asm/spinlock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h index 35aa339410bd..4dbe072eecbe 100644 --- a/arch/powerpc/include/asm/spinlock.h +++ b/arch/powerpc/include/asm/spinlock.h @@ -61,6 +61,7 @@ static __always_inline int arch_spin_value_unlocked(arch_spinlock_t lock) static inline int arch_spin_is_locked(arch_spinlock_t *lock) { + smp_mb(); return !arch_spin_value_unlocked(*lock); } |