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From: Thomas Gleixner <tglx@linutronix.de>
To: Pavel Machek <pavel@denx.de>, Greg Kroah-Hartman
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Subject: Re: [PATCH 4.19 000/175] 4.19.312-rc1 review
In-Reply-To: <ZhmPpo+EI9Ce3bI1@duo.ucw.cz>
References: <20240411095419.532012976@linuxfoundation.org>
 <ZhmPpo+EI9Ce3bI1@duo.ucw.cz>
Date: Fri, 12 Apr 2024 22:02:47 +0200
Message-ID: <87edbaz6vs.ffs@tglx>
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On Fri, Apr 12 2024 at 21:46, Pavel Machek wrote:
>> Thomas Gleixner <tglx@linutronix.de>
>>     timers: Move clearing of base::timer_running under base:: Lock
>
> AFAICT, we don't have those NULL assignments in expire_timers in
> 4.19. Can someone doublecheck this? We also don't support PREEMPT_RT
> there.

This has nothing to do with RT.

But yes, 4.19 has the original bass::running_timer clearing which
happens at the end of handling all expired timer callbacks and that
actually happens with base->lock held.

So right, 4.19 is not affected by this.

Thanks,

        tglx