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| author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 21:21:15 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 22:34:56 +0200 |
| commit | 74f4e369fc5b52433ad824cef32d3bf1304549be (patch) | |
| tree | c70d073a2740821f52d8b2b09f01626a06201e74 /kernel/semaphore.c | |
| parent | Port ftrace to markers (diff) | |
| download | linux-74f4e369fc5b52433ad824cef32d3bf1304549be.tar.xz linux-74f4e369fc5b52433ad824cef32d3bf1304549be.zip | |
ftrace: stacktrace fix
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/semaphore.c')
| -rw-r--r-- | kernel/semaphore.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/semaphore.c b/kernel/semaphore.c index 5c2942e768cd..1a064adab658 100644 --- a/kernel/semaphore.c +++ b/kernel/semaphore.c @@ -31,6 +31,7 @@ #include <linux/sched.h> #include <linux/semaphore.h> #include <linux/spinlock.h> +#include <linux/ftrace.h> static noinline void __down(struct semaphore *sem); static noinline int __down_interruptible(struct semaphore *sem); @@ -53,6 +54,7 @@ void down(struct semaphore *sem) { unsigned long flags; + ftrace_special(sem->count, 0, __LINE__); spin_lock_irqsave(&sem->lock, flags); if (likely(sem->count > 0)) sem->count--; |