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authorJohn Stultz <johnstul@us.ibm.com>2009-07-03 13:29:58 (GMT)
committerScott Wood <scottwood@freescale.com>2014-04-10 00:19:08 (GMT)
commit9bdfce64a9098cef4aad43746aa4602a7b6f0963 (patch)
tree92feba3751348483961de7630c47825d5f3573f6 /kernel/fork.c
parent73b8091420beccbc51530e3de906f4b26176bc1b (diff)
downloadlinux-fsl-qoriq-9bdfce64a9098cef4aad43746aa4602a7b6f0963.tar.xz
posix-timers: thread posix-cpu-timers on -rt
posix-cpu-timer code takes non -rt safe locks in hard irq context. Move it to a thread. [ 3.0 fixes from Peter Zijlstra <peterz@infradead.org> ] Signed-off-by: John Stultz <johnstul@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/fork.c')
-rw-r--r--kernel/fork.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index afe158e..3ac5af8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1107,6 +1107,9 @@ void mm_init_owner(struct mm_struct *mm, struct task_struct *p)
*/
static void posix_cpu_timers_init(struct task_struct *tsk)
{
+#ifdef CONFIG_PREEMPT_RT_BASE
+ tsk->posix_timer_list = NULL;
+#endif
tsk->cputime_expires.prof_exp = 0;
tsk->cputime_expires.virt_exp = 0;
tsk->cputime_expires.sched_exp = 0;