34,7 → 34,14 |
do { local_irq_disable(); __LOCK(lock); } while (0) |
|
#define __LOCK_IRQSAVE(lock, flags) \ |
do { local_irq_save(flags); __LOCK(lock); } while (0) |
do { \ |
__asm__ __volatile__ ( \ |
"pushf\n\t" \ |
"popl %0\n\t" \ |
"cli\n" \ |
: "=r" (flags)); \ |
__LOCK(lock); \ |
} while (0) \ |
|
#define __UNLOCK(lock) \ |
do { preempt_enable(); __release(lock); (void)(lock); } while (0) |
47,7 → 54,11 |
do { local_irq_enable(); __UNLOCK(lock); } while (0) |
|
#define __UNLOCK_IRQRESTORE(lock, flags) \ |
do { local_irq_restore(flags); __UNLOCK(lock); } while (0) |
do { \ |
if (flags & (1<<9)) \ |
__asm__ __volatile__ ("sti"); \ |
__UNLOCK(lock); \ |
} while (0) |
|
#define _spin_lock(lock) __LOCK(lock) |
#define _spin_lock_nested(lock, subclass) __LOCK(lock) |