From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Fri, 8 Jul 2016 12:50:12 +0200 Subject: [PATCH v4 2/2] ARM: cpuidle: make arm_cpuidle_suspend() a bit more efficient In-Reply-To: <20160708141729.3fa61c10@xhacker> 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> Message-ID: <20160708105012.GA32305@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 -- Daniel