lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Tue, 21 Aug 2018 10:27:11 -0700
From:   Tejun Heo <>
To:     Johannes Berg <>
Cc:     Lai Jiangshan <>,,
Subject: Re: [PATCH 1/2] workqueue: skip lockdep wq dependency in

Hello, Johannes.

On Tue, Aug 21, 2018 at 07:18:14PM +0200, Johannes Berg wrote:
> > But this can lead to a deadlock.  I'd much rather err on the side of
> > discouraging complex lock dancing around ordered workqueues, no?
> What can lead to a deadlock?

Oh not this particular case, but I was wondering whether we'd be
missing legitimate possible deadlock cases by skipping lockdep for all
cancel_work_sync()'s as they can actually flush.



Powered by blists - more mailing lists