linux-kernel - Re: linux-next: build warning after merge of the workqueues tree

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Date:   Fri, 13 Jan 2023 07:16:40 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Valentin Schneider <vschneid@...hat.com>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the workqueues tree

On Fri, Jan 13, 2023 at 04:48:29PM +0000, Valentin Schneider wrote:
> On 13/01/23 16:47, Valentin Schneider wrote:
> > On 13/01/23 06:31, Tejun Heo wrote:
> >> On Fri, Jan 13, 2023 at 02:31:02PM +1100, Stephen Rothwell wrote:
> >>> Hi all,
> >>>
> >>> After merging the workqueues tree, today's linux-next build (x86_64
> >>> allnoconfig and several others) produced this warning:
> >>>
> >>> kernel/workqueue.c:1993:13: warning: 'rebind_worker' defined but not used [-Wunused-function]
> >>>  1993 | static void rebind_worker(struct worker *worker, struct worker_pool *pool)
> >>>       |             ^~~~~~~~~~~~~
> >>>
> >>> Introduced by commit
> >>>
> >>>   793777bc193b ("workqueue: Factorize unbind/rebind_workers() logic")
> >>
> >> Valentin, this is caused by rebind_worker() being only used by
> >> rebind_workers() which is inside CONFIG_SMP. I don't see any other uses of
> >> rebind_worker(). Just fold it back into rebind_workers()?
> >>
> >
> > Woops! Yes I only did it to keep things aligned with unbind_workers(), let
> > me resend with that folded back in. Sorry!
> >
> 
> Unless you'd prefer a fixup patch on top of those you've already picked up?

Yeah, just send another patch to fold it back in.

Thanks.

-- 
tejun