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author | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:36:13 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:36:13 +0200 |
commit | 37bf06375c90a42fe07b9bebdb07bc316ae5a0ce (patch) | |
tree | de572dd6d3955b0725001776a7b03796f99e1e8e /arch/s390/include | |
parent | 6bfa687c19b7ab8adee03f0d43c197c2945dd869 (diff) | |
parent | d0e639c9e06d44e713170031fe05fb60ebe680af (diff) | |
download | op-kernel-dev-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.zip op-kernel-dev-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.tar.gz |
Merge tag 'v3.12-rc4' into sched/core
Merge Linux v3.12-rc4 to fix a conflict and also to refresh the tree
before applying more scheduler patches.
Conflicts:
arch/avr32/include/asm/Kbuild
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/s390/include')
-rw-r--r-- | arch/s390/include/asm/mutex.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/processor.h | 2 | ||||
-rw-r--r-- | arch/s390/include/asm/spinlock.h | 5 |
3 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h index 688271f..458c1f7 100644 --- a/arch/s390/include/asm/mutex.h +++ b/arch/s390/include/asm/mutex.h @@ -7,5 +7,3 @@ */ #include <asm-generic/mutex-dec.h> - -#define arch_mutex_cpu_relax() barrier() diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 0eb3750..ca7821f 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -198,6 +198,8 @@ static inline void cpu_relax(void) barrier(); } +#define arch_mutex_cpu_relax() barrier() + static inline void psw_set_key(unsigned int key) { asm volatile("spka 0(%0)" : : "d" (key)); diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h index 701fe8c..83e5d216 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; |