linux-kernel - Re: [PATCH v2 2/3] timers: Use __raise_softirq

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Message-ID: <Zx-ODfHKAEkXfLHD@localhost.localdomain>
Date: Mon, 28 Oct 2024 14:13:49 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc: linux-kernel@...r.kernel.org, rcu@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...nel.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Davidlohr Bueso <dave@...olabs.net>, Ingo Molnar <mingo@...nel.org>,
	Josh Triplett <josh@...htriplett.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2 2/3] timers: Use __raise_softirq_irqoff() to raise the
 softirq.

Le Thu, Oct 24, 2024 at 04:55:50PM +0200, Sebastian Andrzej Siewior a écrit :
> As an optimisation use __raise_softirq_irqoff() to raise the softirq.
> This is always called from an interrupt handler, interrupts are already
> disabled so it can be reduced to just or set softirq flag and let
> softirq be invoked on return from interrupt.
> 
> Use __raise_softirq_irqoff() to raise the softirq.
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

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