linux-kernel - Re: [PATCH V2 3/3] clocksource: mips-gic-timer: Add fastpath for local timer updates

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Message-ID: <6bc1684a-a964-ad52-b107-44b1a44e7251@linaro.org>
Date:   Thu, 19 Oct 2017 15:31:38 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Matt Redfearn <matt.redfearn@...s.com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     James Hogan <james.hogan@...s.com>, linux-mips@...ux-mips.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 3/3] clocksource: mips-gic-timer: Add fastpath for
 local timer updates

On 19/10/2017 13:55, Matt Redfearn wrote:
> Always accessing the compare register via the CM redirect region is
> (relatively) slow. If the timer being updated is the current CPUs
> then this can be shortcutted by writing to the CM VP local region.
> 
> Signed-off-by: Matt Redfearn <matt.redfearn@...s.com>
> ---

Applied this one for 4.15 also.

Thanks.

  -- Daniel


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