[PATCH] initialise pi_lock if CONFIG_RT_MUTEXES=N
Fixes a bogus lockdep warning which causes lockdep to disable itself. Acked-by: Ingo Molnar <mingo@elte.hu> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -933,8 +933,8 @@ asmlinkage long sys_set_tid_address(int __user *tidptr)
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static inline void rt_mutex_init_task(struct task_struct *p)
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{
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#ifdef CONFIG_RT_MUTEXES
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spin_lock_init(&p->pi_lock);
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#ifdef CONFIG_RT_MUTEXES
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plist_head_init(&p->pi_waiters, &p->pi_lock);
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p->pi_blocked_on = NULL;
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#endif
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