On Thu, Oct 02, 2014 at 10:16:27AM -0400, Peter Hurley wrote:
> That's what I meant. And the module load patch too.
Ah, my bad. I thought you were talking about the rfcomm thing.
In any case, if we change wait_woken() like the below, then we can
simplify the loops by taking out their signal_pending checks and using
the wait_woken() return value instead.
---
--- a/kernel/sched/wait.c
+++ b/kernel/sched/wait.c
@@ -326,8 +326,14 @@ long wait_woken(wait_queue_t *wait, unsi
* woken_wake_function() such that if we observe WQ_FLAG_WOKEN we must
* also observe all state before the wakeup.
*/
- if (!(wait->flags & WQ_FLAG_WOKEN))
- timeout = schedule_timeout(timeout);
+ if (!(wait->flags & WQ_FLAG_WOKEN)) {
+ if (___wait_is_interruptible(mode)) {
+ if (signal_pending_state(mode, current))
+ timeout = -ERESTARTSYS;
+ else
+ timeout = schedule_timeout(timeout);
+ }
+ }
__set_current_state(TASK_RUNNING);
/*
--
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