Date: Fri, 28 Jun 2013 12:41:25 +0200
From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: linux-sunxi@googlegroups.com, John Stultz <john.stultz@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Emilio Lopez <emilio@elopez.com.ar>, kevin@allwinnertech.com,
        sunny@allwinnertech.com, shuge@allwinnertech.com
Subject: Re: [linux-sunxi] [PATCH 0/8] clocksource: sunxi: Timer fixes and
 cleanup
Message-ID: <20130628104125.GG4319@lukather>
References: <1372281421-2099-1-git-send-email-maxime.ripard@free-electrons.com>
 <51CC0566.8010302@redhat.com>
 <20130627094307.GC8437@lukather>
 <51CC0BC3.5090309@redhat.com>
 <20130627165436.GB4319@lukather>
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Hi Hans,

On Thu, Jun 27, 2013 at 08:13:56PM +0200, Hans de Goede wrote:
> >Siarhei however notes that even higher-end SoCs like the exynos5 have
> >similar performances with that regard. So I'm not sure we can do
> >something about it, except what is suggested in the above mail, which
> >looks rather unsafe.
> >
> >Anyway, like you said, we have no easy other solution, and we lacked
> >such support until now.
> >
> >So why not merge this code for now, and try to optimise it later if we
> >find it's needed.
>=20
> That is fine with me, I just wanted to share that this has shown as
> a bottleneck in some benchmarks in case anyone has a clever idea to
> fix it ...

And you were right, since I wasn't aware of such discussion.

Thanks!
Maxime

--=20
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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