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Groups > linux.kernel > #1311974
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| From | Ingo Molnar <mingo@kernel.org> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) |
| Date | Tue, 19 Jan 2016 08:30:02 +0100 |
| Message-ID | <qSyTM-4y8-3@gated-at.bofh.it> (permalink) |
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| X-Original-Cc | "Rafael J. Wysocki" <rjw@rjwysocki.net>, Peter Zijlstra <peterz@infradead.org>, Linux PM list <linux-pm@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Daniel Lezcano <daniel.lezcano@linaro.org> |
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* Sudeep Holla <sudeep.holla@arm.com> wrote: > On 15/01/16 23:53, Rafael J. Wysocki wrote: > >Hi, > > > >When I was looking at the cpuidle code after the Sudeeps's problem report, > >it occured to me that we had some pointless overhead there, so two > >changes to reduce it follow. > > > >[1/2] Make the fallback to to default_idle_call() in call_cpuidle() > > unnecessary and drop it. > >[2/2] Make menu_select() avoid checking states that don't need to > > (or even shouldn't) be checked when making the selection. > > > > Tested-by: Sudeep Holla <sudeep.holla@arm.com> Rafael, can I pick these up into the scheduler tree? Thanks, Ingo
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[PATCH 0/2] cpuidle optimizations (on top of linux-next) "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-16 01:00 +0100
[PATCH 2/2] cpuidle: menu: Avoid pointless checks in menu_select() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-16 01:00 +0100
[Resend][PATCH 2/2] cpuidle: menu: Avoid pointless checks in menu_select() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-19 00:00 +0100
Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) Sudeep Holla <sudeep.holla@arm.com> - 2016-01-18 14:50 +0100
Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) Ingo Molnar <mingo@kernel.org> - 2016-01-19 08:30 +0100
Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) "Rafael J. Wysocki" <rafael@kernel.org> - 2016-01-19 14:20 +0100
Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) Ingo Molnar <mingo@kernel.org> - 2016-01-19 14:30 +0100
Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-01-19 15:00 +0100
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