linux-kernel - Re: [patch V2 13/17] timers: Split [try_to_]del_timer[

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Date:   Wed, 23 Nov 2022 18:05:28 +0100
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Jacob Keller <jacob.e.keller@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     Linus Torvalds <torvalds@...uxfoundation.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Anna-Maria Behnsen <anna-maria@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Julia Lawall <Julia.Lawall@...ia.fr>,
        Arnd Bergmann <arnd@...db.de>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Marc Zyngier <maz@...nel.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        linux-bluetooth@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org
Subject: Re: [patch V2 13/17] timers: Split [try_to_]del_timer[_sync]() to
 prepare for shutdown mode

On Tue, Nov 22 2022 at 15:04, Jacob Keller wrote:
> On 11/22/2022 9:45 AM, Thomas Gleixner wrote:
>> +int try_to_del_timer_sync(struct timer_list *timer)
>> +{
>> +	return __try_to_del_timer_sync(timer);
>> +}
>>   EXPORT_SYMBOL(try_to_del_timer_sync);
>>   
>
>
> Its a bit odd to me that some patches refactor and replace functions 
> with new variants all under timer_* namespace, but then we've left some 
> of them available without that.
>
> Any reasoning behind this? I guess "try_*" is pretty clear and unlikely 
> to get stolen by other code..?

Kinda. I renamed del_timer*() because that's the ones which we want to
substitute with timer_shutdown*() where possible and reasonable.

A larger timer namespace cleanup is subject to a follow up series.

Thanks,

        tglx