From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Fri, 18 Jan 2013 09:18:37 +0100 Subject: [PATCH 5/5] ARM: exynos: enable/disable cpuidle when cpu1 is down/up In-Reply-To: <00be01cdf52f$1bc907c0$535b1740$@samsung.com> References: <1357318799-24378-1-git-send-email-daniel.lezcano@linaro.org> <1357318799-24378-5-git-send-email-daniel.lezcano@linaro.org> <50EF3369.2060902@free.fr> <50F551F3.2060400@linaro.org> <00be01cdf52f$1bc907c0$535b1740$@samsung.com> Message-ID: <50F9055D.8090708@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 01/18/2013 04:51 AM, Kukjin Kim wrote: > Daniel Lezcano wrote: >> On 01/10/2013 11:33 PM, amit daniel kachhap wrote: >>> On Thu, Jan 10, 2013 at 1:32 PM, Daniel Lezcano >> wrote: >>>> On 01/10/2013 09:07 PM, amit daniel kachhap wrote: >>>>> Hi Daniel, >>>> Hi Amit Daniel, >>>> >>>>> This hotplug noifiers looks fine. I suppose it should add extra state >>>>> C1 in cpu0. If it is done like below than for normal cases(when all >>>>> cpu's are online) there wont be any statistics for C0 state >>>> I guess you meant state 0 which is WFI, right ? >>>> C0 state is the intel semantic for cpu fully turned on. >>> Yes I meant C0 as wfi >>>>> also which >>>>> is required. Other patches look good. >>>> Ok, that makes sense to have statistics even if they are only doing WFI. >>>> >>>> Then the patch 4/5 is not ok, no ? >>> yes I suppose patch 4 and patch 5 are related and depends how you >>> frame patch 5. I think it is better to create C0/C1 sysfs and other >>> things in the beginning because it is a filesystem call and may >>> increase the cpu hotplug time which is not worth. May be if cpuidle >>> framework exposes some API to enable/disable states then it is better. >>> >>> For patch 1,2 and 3, >>> Acked-by: Amit Daniel Kachhap >> Hi Kukjin, >> >> is it possible to take these patches [1-3/5] ? >> > Looks OK to me, I will apply with Amit's ack. Cool Thanks ! >> The patches [3-4/5] could be ignored. >> > Probably, you mean [4-5/5] :-) Oh, yes. Right ! :) -- Daniel -- Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog