diff options
Diffstat (limited to 'include/linux/spinlock.h')
| -rw-r--r-- | include/linux/spinlock.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index b800d2d68b3..94b767d6427 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -52,6 +52,7 @@ #include <linux/thread_info.h> #include <linux/kernel.h> #include <linux/stringify.h> +#include <linux/bottom_half.h> #include <asm/system.h> @@ -183,13 +184,27 @@ do { \ #define read_lock(lock) _read_lock(lock) #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) + #define spin_lock_irqsave(lock, flags) flags = _spin_lock_irqsave(lock) #define read_lock_irqsave(lock, flags) flags = _read_lock_irqsave(lock) #define write_lock_irqsave(lock, flags) flags = _write_lock_irqsave(lock) + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +#define spin_lock_irqsave_nested(lock, flags, subclass) \ + flags = _spin_lock_irqsave_nested(lock, subclass) +#else +#define spin_lock_irqsave_nested(lock, flags, subclass) \ + flags = _spin_lock_irqsave(lock) +#endif + #else + #define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags) #define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags) #define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags) +#define spin_lock_irqsave_nested(lock, flags, subclass) \ + spin_lock_irqsave(lock, flags) + #endif #define spin_lock_irq(lock) _spin_lock_irq(lock) |