Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient

From	Russell King - ARM Linux <linux@armlinux.org.uk>
Newsgroups	linux.kernel
Subject	Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient
Date	2016-07-14 17:40 +0200
Message-ID	<rUQU1-31t-1@gated-at.bofh.it> (permalink)
References	(1 earlier) <rROvo-5Cf-51@gated-at.bofh.it> <rShQK-7yA-5@gated-at.bofh.it> <rSxsu-13j-29@gated-at.bofh.it> <rSBFM-3Gr-13@gated-at.bofh.it> <rSBPs-3Z6-33@gated-at.bofh.it>
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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
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Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit  more efficient Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-07-14 17:40 +0200
  Re: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit  more efficient Jisheng Zhang <jszhang@marvell.com> - 2016-07-15 09:50 +0200

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