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Don't operate with pid_t in rtmutex tester

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The proper behavior to store task's pid and get this task later is to get the
struct pid pointer and get the task with the pid_task() call.

Make it for rt_mutex_waiter->deadlock_task_pid field.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pavel Emelyanov 2008-02-08 04:21:53 -08:00 • committed by Linus Torvalds
parent 8dc86af006
commit 48d13e483c
2 changed files with 10 additions and 4 deletions
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2
kernel/rtmutex_common.h
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@ -51,7 +51,7 @@ struct rt_mutex_waiter {
struct rt_mutex *lock;
#ifdef CONFIG_DEBUG_RT_MUTEXES
unsigned long ip;
pid_t deadlock_task_pid;
struct pid *deadlock_task_pid;
struct rt_mutex *deadlock_lock;
#endif
};