linux-kernel - Re: [PATCH] tick/nohz_full: don't abuse smp_call_function_single() in tick_setup

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Message-ID: <Zl45anHuse49j2Wy@pavilion.home>
Date: Mon, 3 Jun 2024 23:45:14 +0200
From: Frederic Weisbecker <frederic@...nel.org>
To: Oleg Nesterov <oleg@...hat.com>
Cc: Ingo Molnar <mingo@...hat.com>, Nicholas Piggin <npiggin@...il.com>,
	Peter Zijlstra <peterz@...radead.org>, Phil Auld <pauld@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Chris von Recklinghausen <crecklin@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tick/nohz_full: don't abuse smp_call_function_single()
 in tick_setup_device()

Le Mon, Jun 03, 2024 at 05:41:33PM +0200, Oleg Nesterov a écrit :
> On 06/02, Frederic Weisbecker wrote:
> >
> > I guess the static version above should work to remove the ifdef. And yes on top is fine.
> 
> OK, I've sent v2.
> 
> But again, I won't argue if you prefer to keep tick_do_timer_boot_cpu and add
> WARN_ON_ONCE(tick_cpu != tick_do_timer_boot_cpu) before WRITE_ONCE(tick_do_timer_cpu).
> In this case another patch makes no sense, I'll update this one.
> 
> Just tell me what you like more. Sorry for the chaotic emails.

I'm fine with the last one posted :-)

Thanks.