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DateFri, 12 Feb 2010 17:47:24 +0900
FromTejun Heo <>
SubjectRe: [PATCH v2] core: workqueue: return on workqueue recursion
On 02/04/2010 05:02 PM, Simon Kagstrom wrote:
> When the workqueue is flushed from workqueue context (recursively), the
> system enters a strange state where things at random (dependent on the
> global workqueue) start misbehaving. For example, for us the console and
> logins locks up while the web server continues running.
>
> The system becomes unstable since the workqueue barrier locks the
> workqueue. This patch instead returns if the workqueue is flushed
> recursively, which keeps the workqueue alive but warns.
>
> Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>

applied to wq tree. Will push out when the merge window opens.

Thanks.

--
tejun


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