Re: [PATCH 3.18 11/61] workqueue: fix subtle pool management issue which can stall whole worker_pool

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On Wed, Jan 28, 2015 at 10:07:01AM -0500, Tejun Heo wrote:
> On Wed, Jan 28, 2015 at 11:15:32AM +0800, Lai Jiangshan wrote:
> > Was the bug introduced at the first time when maybe_create_worker() was
> > introduced?  Although manage_workers()/maybe_create_worker() was changed a bit,
> > the stable-tree team can simply make manage_workers() return true to fix
> > this bug for the very old kernel versions.
> 
> Yes, this bug has been there from the beginning of cmwq.  I'm
> attaching a patch which is for before the removal of
> maybe_destory_worker().

This patch will apply to 3.10, but not 3.14, and I'm confused.  Should I
backport the original version to 3.14?  3.10?  Use this different
version instead?

confused,

greg k-h
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