From: Russell King - ARM Linux <linux@armlinux.org.uk>
To: Jisheng Zhang <jszhang@marvell.com>, arm@kernel.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>,
lorenzo.pieralisi@arm.com, lina.iyer@linaro.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient
Date: Thu, 14 Jul 2016 16:31:13 +0100 [thread overview]
Message-ID: <20160714153113.GC1041@n2100.armlinux.org.uk> (raw)
In-Reply-To: <20160708185854.22e9fae9@xhacker>
On Fri, Jul 08, 2016 at 06:58:54PM +0800, Jisheng Zhang wrote:
> On Fri, 8 Jul 2016 12:50:12 +0200 Daniel Lezcano wrote:
>
> > On Fri, Jul 08, 2016 at 02:17:29PM +0800, Jisheng Zhang wrote:
> > > Dear Daniel,
> > >
> > > On Thu, 7 Jul 2016 15:46:28 +0200 Daniel Lezcano wrote:
> > >
> > > > On Wed, Jul 06, 2016 at 02:15:55PM +0800, Jisheng Zhang wrote:
> > > > > Currently, we check cpuidle_ops.suspend every time when entering a
> > > > > low-power idle state. But this check could be avoided in this hot path
> > > > > by moving it into arm_cpuidle_read_ops() to reduce arm_cpuidle_suspend
> > > > > overhead a bit.
> > > > >
> > > > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> > > > > ---
> > > >
> > > > Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
> > >
> > > I'm not sure the upstream merging path this patch should follow, Per my
> > > understanding, I need to put it into Russell's PATCH system.
> >
> > Or alternatively through arm-soc
> >
>
> Got it. thanks.
>
> Dear Arnd, Olof,
>
> I have no pull request permission. what's your preference? Could you please
> advise?
... and because arm-soc people haven't responded, they've now ended up
in the patch system... So I've applied them to my tree in a separate
branch.
Thanks!
--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.
next prev parent reply other threads:[~2016-07-14 15:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 6:15 [PATCH v4 0/2] make arm_cpuidle_suspend() a bit more efficient Jisheng Zhang
2016-07-06 6:15 ` [PATCH v4 1/2] ARM: cpuidle: fix !cpuidle_ops[cpu].init case during init Jisheng Zhang
2016-07-07 13:45 ` Daniel Lezcano
2016-07-06 6:15 ` [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient Jisheng Zhang
2016-07-07 13:46 ` Daniel Lezcano
2016-07-08 6:17 ` Jisheng Zhang
2016-07-08 10:50 ` Daniel Lezcano
2016-07-08 10:58 ` Jisheng Zhang
2016-07-14 15:31 ` Russell King - ARM Linux [this message]
2016-07-15 7:38 ` Jisheng Zhang
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