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-rw-r--r--include/linux/spinlock.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index b800d2d68b32..94b767d64275 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -52,6 +52,7 @@
52#include <linux/thread_info.h> 52#include <linux/thread_info.h>
53#include <linux/kernel.h> 53#include <linux/kernel.h>
54#include <linux/stringify.h> 54#include <linux/stringify.h>
55#include <linux/bottom_half.h>
55 56
56#include <asm/system.h> 57#include <asm/system.h>
57 58
@@ -183,13 +184,27 @@ do { \
183#define read_lock(lock) _read_lock(lock) 184#define read_lock(lock) _read_lock(lock)
184 185
185#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) 186#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
187
186#define spin_lock_irqsave(lock, flags) flags = _spin_lock_irqsave(lock) 188#define spin_lock_irqsave(lock, flags) flags = _spin_lock_irqsave(lock)
187#define read_lock_irqsave(lock, flags) flags = _read_lock_irqsave(lock) 189#define read_lock_irqsave(lock, flags) flags = _read_lock_irqsave(lock)
188#define write_lock_irqsave(lock, flags) flags = _write_lock_irqsave(lock) 190#define write_lock_irqsave(lock, flags) flags = _write_lock_irqsave(lock)
191
192#ifdef CONFIG_DEBUG_LOCK_ALLOC
193#define spin_lock_irqsave_nested(lock, flags, subclass) \
194 flags = _spin_lock_irqsave_nested(lock, subclass)
195#else
196#define spin_lock_irqsave_nested(lock, flags, subclass) \
197 flags = _spin_lock_irqsave(lock)
198#endif
199
189#else 200#else
201
190#define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags) 202#define spin_lock_irqsave(lock, flags) _spin_lock_irqsave(lock, flags)
191#define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags) 203#define read_lock_irqsave(lock, flags) _read_lock_irqsave(lock, flags)
192#define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags) 204#define write_lock_irqsave(lock, flags) _write_lock_irqsave(lock, flags)
205#define spin_lock_irqsave_nested(lock, flags, subclass) \
206 spin_lock_irqsave(lock, flags)
207
193#endif 208#endif
194 209
195#define spin_lock_irq(lock) _spin_lock_irq(lock) 210#define spin_lock_irq(lock) _spin_lock_irq(lock)