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| author | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:04:47 +0300 |
|---|---|---|
| committer | Gleb Natapov <gleb@redhat.com> | 2013-10-17 17:41:49 +0300 |
| commit | 13acfd5715144518232d8e29acf7c76ef1b089d8 (patch) | |
| tree | 093c4311a737210bbdd3d1919f8193cb5f017241 /arch/s390/include/asm/spinlock.h | |
| parent | d570142674890fe10b3d7d86aa105e3dfce1ddfa (diff) | |
| parent | 34ec4de42be5006abdd8d0c08b306ffaa64d0d5d (diff) | |
Powerpc KVM work is based on a commit after rc4.
Merging master into next to satisfy the dependencies.
Conflicts:
arch/arm/kvm/reset.c
Diffstat (limited to 'arch/s390/include/asm/spinlock.h')
| -rw-r--r-- | arch/s390/include/asm/spinlock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 701fe8c59e1..83e5d216105 100644 --- a/arch/s390/include/asm/spinlock.h +++ b/arch/s390/include/asm/spinlock.h @@ -44,6 +44,11 @@ extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags); extern int arch_spin_trylock_retry(arch_spinlock_t *); extern void arch_spin_relax(arch_spinlock_t *lock); +static inline int arch_spin_value_unlocked(arch_spinlock_t lock) +{ + return lock.owner_cpu == 0; +} + static inline void arch_spin_lock(arch_spinlock_t *lp) { int old; |