* 3.1-rc6: wchan not working
@ 2011-09-22 23:06 Simon Kirby
2011-09-23 0:03 ` [PATCH] " Simon Kirby
0 siblings, 1 reply; 2+ messages in thread
From: Simon Kirby @ 2011-09-22 23:06 UTC (permalink / raw)
To: linux-kernel
Without changing .config, /proc/x/wchan seems to now print "schedule" for
everything; eg, with 0x.ca/sim/ref/3.1-rc6-blue/config-3.1.0-rc6-blue+
as the .config. I'm currently bisecting a few other regressions as well,
but will add this to the list, unless it's obvious to anyone...
Simon-
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH] Re: 3.1-rc6: wchan not working
2011-09-22 23:06 3.1-rc6: wchan not working Simon Kirby
@ 2011-09-23 0:03 ` Simon Kirby
0 siblings, 0 replies; 2+ messages in thread
From: Simon Kirby @ 2011-09-23 0:03 UTC (permalink / raw)
To: linux-kernel, Peter Zijlstra
On Thu, Sep 22, 2011 at 04:06:47PM -0700, Simon Kirby wrote:
> Without changing .config, /proc/x/wchan seems to now print "schedule" for
> everything; eg, with 0x.ca/sim/ref/3.1-rc6-blue/config-3.1.0-rc6-blue+
> as the .config. I'm currently bisecting a few other regressions as well,
> but will add this to the list, unless it's obvious to anyone...
Probably introduced by c259e01a1ec90063042f758e409cd26b2a0963c8
This patch from Peter (who should probably sign off on it) seems to work:
Tested-by: Simon Kirby <sim@hostway.ca>
diff --git a/kernel/sched.c b/kernel/sched.c
index ec5f472..d249ea8 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4372,7 +4372,7 @@ static inline void sched_submit_work(struct task_struct *tsk)
blk_schedule_flush_plug(tsk);
}
-asmlinkage void schedule(void)
+asmlinkage void __sched schedule(void)
{
struct task_struct *tsk = current;
Simon-
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