diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2011-06-15 09:02:21 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-04-10 00:19:34 (GMT) |
| commit | 9db18e76ef43081555be1fe93d7df83f39e4df6b (patch) | |
| tree | b4731fefb885e247f09afa0a5e74cb682f3d4c3d /include | |
| parent | 854fa50d6557c610f4c247601da99c6cb286abc3 (diff) | |
| download | linux-fsl-qoriq-9db18e76ef43081555be1fe93d7df83f39e4df6b.tar.xz | |
lglocks-rt.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/lglock.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/lglock.h b/include/linux/lglock.h index 0d24e93..d2c0d6d 100644 --- a/include/linux/lglock.h +++ b/include/linux/lglock.h @@ -42,22 +42,37 @@ #endif struct lglock { +#ifndef CONFIG_PREEMPT_RT_FULL arch_spinlock_t __percpu *lock; +#else + struct rt_mutex __percpu *lock; +#endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lock_class_key lock_key; struct lockdep_map lock_dep_map; #endif }; -#define DEFINE_LGLOCK(name) \ +#ifndef CONFIG_PREEMPT_RT_FULL +# define DEFINE_LGLOCK(name) \ static DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \ = __ARCH_SPIN_LOCK_UNLOCKED; \ struct lglock name = { .lock = &name ## _lock } -#define DEFINE_STATIC_LGLOCK(name) \ +# define DEFINE_STATIC_LGLOCK(name) \ static DEFINE_PER_CPU(arch_spinlock_t, name ## _lock) \ = __ARCH_SPIN_LOCK_UNLOCKED; \ static struct lglock name = { .lock = &name ## _lock } +#else + +# define DEFINE_LGLOCK(name) \ + static DEFINE_PER_CPU(struct rt_mutex, name ## _lock); \ + struct lglock name = { .lock = &name ## _lock } + +# define DEFINE_STATIC_LGLOCK(name) \ + static DEFINE_PER_CPU(struct rt_mutex, name ## _lock); \ + static struct lglock name = { .lock = &name ## _lock } +#endif void lg_lock_init(struct lglock *lg, char *name); void lg_local_lock(struct lglock *lg); |