linux-kernel - Re: [PATCH 06/21] ntp: Read reference time only once

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Message-ID: <CANDhNCq3MU=hGyWZWcVvRkAubEq6jYO5a61VwQi_e+ZtvK5uxw@mail.gmail.com>
Date: Wed, 11 Sep 2024 13:00:48 -0700
From: John Stultz <jstultz@...gle.com>
To: Anna-Maria Behnsen <anna-maria@...utronix.de>
Cc: Frederic Weisbecker <frederic@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
	Miroslav Lichvar <mlichvar@...hat.com>, Richard Cochran <richardcochran@...il.com>, 
	Christopher S Hall <christopher.s.hall@...el.com>
Subject: Re: [PATCH 06/21] ntp: Read reference time only once

On Wed, Sep 11, 2024 at 6:18 AM Anna-Maria Behnsen
<anna-maria@...utronix.de> wrote:
>
> From: Thomas Gleixner <tglx@...utronix.de>
>
> The reference time is required twice in ntp_update_offset(). It will not
> change in the meantime as the calling code holds the timekeeper lock. Read
> it only once and store it into a local variable.
>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Signed-off-by: Anna-Maria Behnsen <anna-maria@...utronix.de>
> ---

Nice!
Acked-by: John Stultz <jstultz@...gle.com>

thanks
-john