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Re: [PATCH -mm] workqueue: debug possible endless loop in cancel_rearming_delayed_work

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From: Jarek Poplawski <jarkao2@...>
To: David Chinner <dgc@...>
Cc: <linux-kernel@...>, Ingo Molnar <mingo@...>
Subject: Re: [PATCH -mm] workqueue: debug possible endless loop in cancel_rearming_delayed_work
Date: Friday, April 20, 2007 - 6:21 am

On Fri, Apr 20, 2007 at 06:53:54PM +1000, David Chinner wrote:
...

I agree with your feelings, but strictly speaking it's not "obviously
misleading":

" * cancel_rearming_delayed_work - reliably kill off a delayed
keventd work whose handler rearms the delayed work."

And all your rearmed works were, probably, reliably killed!


It seems to be an Achilles' heel of linux... 

Regards,
Jarek P.
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Messages in current thread:
[PATCH -mm] workqueue: debug possible endless loop in cancel..., Jarek Poplawski, (Thu Apr 19, 2:54 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Chuck Ebbert, (Thu Apr 19, 1:07 pm)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Jarek Poplawski, (Fri Apr 20, 3:14 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., David Chinner, (Thu Apr 19, 10:46 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Jarek Poplawski, (Fri Apr 20, 4:13 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., David Chinner, (Fri Apr 20, 4:53 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Jarek Poplawski, (Fri Apr 20, 6:21 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., David Chinner, (Fri Apr 20, 7:01 am)
[PATCH] workqueue: cancel_rearming_delayed_work/workqueue us..., Jarek Poplawski, (Fri Apr 20, 8:12 am)
Re: [PATCH] workqueue: cancel_rearming_delayed_work/workqueu..., Oleg Nesterov, (Fri Apr 20, 1:23 pm)
Re: [PATCH] workqueue: cancel_rearming_delayed_work/workqueu..., Jarek Poplawski, (Mon Apr 23, 5:41 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Ingo Molnar, (Thu Apr 19, 3:32 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., David Chinner, (Thu Apr 19, 10:48 am)
Re: [PATCH -mm] workqueue: debug possible endless loop in ca..., Jarek Poplawski, (Thu Apr 19, 4:28 am)