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Groups > linux.kernel > #1323005
| From | Johannes Berg <johannes@sipsolutions.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: sched/core: WARNING in __might_sleep |
| Date | 2016-02-01 12:30 +0100 |
| Message-ID | <qXkQa-1OW-11@gated-at.bofh.it> (permalink) |
| References | <qXkGu-1Kt-9@gated-at.bofh.it> <qXkGu-1Kt-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, 2016-02-01 at 12:13 +0100, Peter Zijlstra wrote: > > Yeah, from the rfkill code, which you failed to CC. Thanks Peter :) > In any case, this is a fail in the rfkill code, which should be > sorted > with the below patch (but the rfkill people should double check), and > ideally they'd use list_empty_careful() instead of the mutex, but I > don't know their code well enough to say if that's safe or not. Even list_empty() is fine in this case since we go and recheck it anyway in the calling loop, while the mutex is held. I have commit 6736fde9672f on its way to mainline. johannes
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Re: sched/core: WARNING in __might_sleep Peter Zijlstra <peterz@infradead.org> - 2016-02-01 12:20 +0100
Re: sched/core: WARNING in __might_sleep Johannes Berg <johannes@sipsolutions.net> - 2016-02-01 12:30 +0100
Re: sched/core: WARNING in __might_sleep Peter Zijlstra <peterz@infradead.org> - 2016-02-01 12:50 +0100
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