diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-10-05 07:56:15 (GMT) |
|---|---|---|
| committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:37:42 (GMT) |
| commit | 4e587ba1b480821d77ce55460b6740ba80bc55e8 (patch) | |
| tree | bfaf3f64edbaf497c34c2c92cbbe6c58c0e4528f /include/linux | |
| parent | 9d0b5f1413055cb87e4dd984d77f595ac10c6364 (diff) | |
| download | linux-fsl-qoriq-4e587ba1b480821d77ce55460b6740ba80bc55e8.tar.xz | |
sched: Better debug output for might sleep
might sleep can tell us where interrupts have been disabled, but we
have no idea what disabled preemption. Add some debug infrastructure.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sched.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index b1e963e..d63aba2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1321,6 +1321,9 @@ struct task_struct { struct mutex perf_event_mutex; struct list_head perf_event_list; #endif +#ifdef CONFIG_DEBUG_PREEMPT + unsigned long preempt_disable_ip; +#endif #ifdef CONFIG_NUMA struct mempolicy *mempolicy; /* Protected by alloc_lock */ short il_next; |