The patch titled
initialise pi_lock if CONFIG_RT_MUTEXES=N
has been added to the -mm tree. Its filename is
initialise-pi_lock-if-config_rt_mutexes=n.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: initialise pi_lock if CONFIG_RT_MUTEXES=N
From: Zilvinas Valinskas <zilvinas@xxxxxxxxxxx>
Fixes a bogus lockdep warning which causes lockdep to disable itself.
Acked-by: Ingo Molnar <mingo@xxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/fork.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN kernel/fork.c~initialise-pi_lock-if-config_rt_mutexes=n kernel/fork.c
--- a/kernel/fork.c~initialise-pi_lock-if-config_rt_mutexes=n
+++ a/kernel/fork.c
@@ -935,8 +935,8 @@ asmlinkage long sys_set_tid_address(int
static inline void rt_mutex_init_task(struct task_struct *p)
{
-#ifdef CONFIG_RT_MUTEXES
spin_lock_init(&p->pi_lock);
+#ifdef CONFIG_RT_MUTEXES
plist_head_init(&p->pi_waiters, &p->pi_lock);
p->pi_blocked_on = NULL;
#endif
_
Patches currently in -mm which might be from zilvinas@xxxxxxxxxxx are
initialise-pi_lock-if-config_rt_mutexes=n.patch
-
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