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Diffstat (limited to 'include/linux/spinlock.h')
-rw-r--r--include/linux/spinlock.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 54ad37089c49..57f670d78f7c 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -199,6 +199,21 @@ do { \
BUILD_CHECK_IRQ_FLAGS(flags); \
flags = _write_lock_irqsave(lock); \
} while (0)
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+#define spin_lock_irqsave_nested(lock, flags, subclass) \
+ do { \
+ BUILD_CHECK_IRQ_FLAGS(flags); \
+ flags = _spin_lock_irqsave_nested(lock, subclass); \
+ } while (0)
+#else
+#define spin_lock_irqsave_nested(lock, flags, subclass) \
+ do { \
+ BUILD_CHECK_IRQ_FLAGS(flags); \
+ flags = _spin_lock_irqsave(lock); \
+ } while (0)
+#endif
+
#else
#define spin_lock_irqsave(lock, flags) \
do { \
@@ -215,6 +230,9 @@ do { \
BUILD_CHECK_IRQ_FLAGS(flags); \
_write_lock_irqsave(lock, flags); \
} while (0)
+#define spin_lock_irqsave_nested(lock, flags, subclass) \
+ spin_lock_irqsave(lock, flags)
+
#endif
#define spin_lock_irq(lock) _spin_lock_irq(lock)