linux-kernel - Re: [patch V3 13/51] posix-cpu-timers: Do not arm SIGEV

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Message-ID: <ZniNxrr5TNI-HaNs@pavilion.home>
Date: Sun, 23 Jun 2024 23:04:06 +0200
From: Frederic Weisbecker <frederic@...nel.org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: LKML <linux-kernel@...r.kernel.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	John Stultz <jstultz@...gle.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, Stephen Boyd <sboyd@...nel.org>,
	Eric Biederman <ebiederm@...ssion.com>,
	Oleg Nesterov <oleg@...hat.com>
Subject: Re: [patch V3 13/51] posix-cpu-timers: Do not arm SIGEV_NONE timers

Le Mon, Jun 10, 2024 at 06:42:21PM +0200, Thomas Gleixner a écrit :
> There is no point in arming SIGEV_NONE timers as they never deliver a
> signal. timer_gettime() is handling the expiry time correctly and that's
> all SIGEV_NONE timers care about.
> 
> Prevent arming them and remove the expiry handler code which just disarms
> them.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Frederic Weisbecker <frederic@...nel.org>