linux-kernel - Re: [PATCH 5.10-rt] locking/rtmutex: switch to EXPORT_SYMBOL() for ww_mutex_lock{,

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Date:   Thu, 18 Aug 2022 15:59:19 -0300
From:   "Luis Claudio R. Goncalves" <lgoncalv@...hat.com>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     Yajun Deng <yajun.deng@...ux.dev>, peterz@...radead.org,
        mingo@...hat.com, will@...nel.org, linux-kernel@...r.kernel.org,
        linux-rt-users@...r.kernel.org
Subject: Re: [PATCH 5.10-rt] locking/rtmutex: switch to EXPORT_SYMBOL() for
 ww_mutex_lock{,_interruptible}()

On Thu, Aug 18, 2022 at 06:32:37PM +0200, Sebastian Andrzej Siewior wrote:
> On 2022-08-03 14:24:30 [+0800], Yajun Deng wrote:
> > We can use EXPORT_SYMBOL() instead of EXPORT_SYMBOL_GPL() in
> > ww_mutex_lock_interruptible() and ww_mutex_lock(). That match
> > ww_mutex_unlock() well. And also good for 3rd kernel modules.
> 
> Not that I am fan of this but it will sync the symbols with what landed
> upstream as of commit
>    f8635d509d807 ("locking/ww_mutex: Implement rtmutex based ww_mutex API functions")
> 
> therefore it would be good to have.
> Luis?

Looks good to me. I can add that to my next update.

Luis
 
> > Signed-off-by: Yajun Deng <yajun.deng@...ux.dev>
> 
> Sebastian
> 
---end quoted text---