From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751768AbcGNPbg (ORCPT ); Thu, 14 Jul 2016 11:31:36 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:56039 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751698AbcGNPbc (ORCPT ); Thu, 14 Jul 2016 11:31:32 -0400 Date: Thu, 14 Jul 2016 16:31:13 +0100 From: Russell King - ARM Linux To: Jisheng Zhang , arm@kernel.org Cc: Daniel Lezcano , Arnd Bergmann , Olof Johansson , 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 Message-ID: <20160714153113.GC1041@n2100.armlinux.org.uk> References: <1467785755-3488-1-git-send-email-jszhang@marvell.com> <1467785755-3488-3-git-send-email-jszhang@marvell.com> <20160707134628.GB20553@linaro.org> <20160708141729.3fa61c10@xhacker> <20160708105012.GA32305@linaro.org> <20160708185854.22e9fae9@xhacker> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160708185854.22e9fae9@xhacker> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > > > > > --- > > > > > > > > Acked-by: Daniel Lezcano > > > > > > 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.