diff options
| author | John Stultz <johnstul@us.ibm.com> | 2009-07-03 08:29:58 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-02-15 10:32:46 -0600 |
| commit | 58cff7eb4337ce85e712766c848411db06adcd92 (patch) | |
| tree | bc3a4695db67b969670d6885a130bf95644e833b /kernel/fork.c | |
| parent | 2ef9dc81703eccb6c8bf40a458a0545ecfa74483 (diff) | |
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.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 838af37137a5..a636fa63b46e 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1023,6 +1023,9 @@ 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 = cputime_zero; tsk->cputime_expires.virt_exp = cputime_zero; tsk->cputime_expires.sched_exp = 0; |