linux-kernel - Re: [PATCH v8 06/25] timers: Split out forward timer base functionality

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Message-ID: <ZR/scqiLd0BG7PrJ@lothringen>
Date:   Fri, 6 Oct 2023 13:16:02 +0200
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc:     linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>,
        John Stultz <jstultz@...gle.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Eric Dumazet <edumazet@...gle.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Arjan van de Ven <arjan@...radead.org>,
        "Paul E . McKenney" <paulmck@...nel.org>,
        Rik van Riel <riel@...riel.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sebastian Siewior <bigeasy@...utronix.de>,
        Giovanni Gherdovich <ggherdovich@...e.cz>,
        Lukasz Luba <lukasz.luba@....com>,
        "Gautham R . Shenoy" <gautham.shenoy@....com>,
        Srinivas Pandruvada <srinivas.pandruvada@...el.com>,
        K Prateek Nayak <kprateek.nayak@....com>
Subject: Re: [PATCH v8 06/25] timers: Split out forward timer base
 functionality

On Wed, Oct 04, 2023 at 02:34:35PM +0200, Anna-Maria Behnsen wrote:
> Forwarding timer base is done when the next expiry value is calculated and
> when a new timer is enqueued. When the next expiry value is calculated the
> jiffies value is already available and does not need to be reread a second
> time.
> 
> Splitting out the forward timer base functionality to make it executable
> via both contextes - those where jiffies are already known and those, where
> jiffies need to be read.
> 
> No functional change.
> 
> Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>

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