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Groups > linux.kernel > #1656027
| From | Johannes Berg <johannes@sipsolutions.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: single-threaded wq lockdep is broken |
| Date | 2017-06-02 11:00 +0200 |
| Message-ID | <tNQB3-78P-1@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <tN7kD-2mN-33@gated-at.bofh.it> <tN7kD-2mN-35@gated-at.bofh.it> <tNOSD-698-35@gated-at.bofh.it> <tNQB3-78P-3@gated-at.bofh.it> <tNOSD-698-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 2017-06-02 at 15:03 +0800, Lai Jiangshan wrote: > > the @w2 is not queued before flush_work(&w2), it is expected > that @w2 is not associated with @wq, and the dependence > mtx -> wq will not be recorded. And it is expected no warning. Lockdep is symmetric. So then maybe it won't warn when executing flush_work(), but should later when executing @w2. No real difference? johannes
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single-threaded wq lockdep is broken Johannes Berg <johannes@sipsolutions.net> - 2017-05-28 21:40 +0200
Re: single-threaded wq lockdep is broken Lai Jiangshan <jiangshanlai@gmail.com> - 2017-05-31 10:40 +0200
Re: single-threaded wq lockdep is broken Johannes Berg <johannes@sipsolutions.net> - 2017-05-31 10:40 +0200
Re: single-threaded wq lockdep is broken Johannes Berg <johannes@sipsolutions.net> - 2017-05-31 10:50 +0200
Re: single-threaded wq lockdep is broken Lai Jiangshan <jiangshanlai@gmail.com> - 2017-06-02 09:10 +0200
Re: single-threaded wq lockdep is broken Johannes Berg <johannes@sipsolutions.net> - 2017-06-02 11:00 +0200
Re: single-threaded wq lockdep is broken Tejun Heo <tj@kernel.org> - 2017-05-31 20:30 +0200
Re: single-threaded wq lockdep is broken Johannes Berg <johannes@sipsolutions.net> - 2017-05-31 21:20 +0200
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