linux-kernel - Re: [patch v4 03/27] signal: Get rid of resched

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Message-ID: <ZvauNx_6ecMrnwCH@localhost.localdomain>
Date: Fri, 27 Sep 2024 15:08:07 +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 v4 03/27] signal: Get rid of resched_timer logic

Le Fri, Sep 27, 2024 at 10:48:42AM +0200, Thomas Gleixner a écrit :
> From: Thomas Gleixner <tglx@...utronix.de>
> 
> There is no reason for handing the *resched pointer argument through
> several functions just to check whether the signal is related to a self
> rearming posix timer.
> 
> SI_TIMER is only used by the posix timer code and cannot be queued from
> user space. The only extra check in collect_signal() to verify whether the
> queued signal is preallocated is not really useful. Some other places
> already check purely the SI_TIMER type.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>

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