Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1312263
| From | "Rafael J. Wysocki" <rjw@rjwysocki.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 0/2] cpuidle optimizations (on top of linux-next) |
| Date | 2016-01-19 15:00 +0100 |
| Message-ID | <qSEZc-bz-7@gated-at.bofh.it> (permalink) |
| References | <qRmrE-4Gw-17@gated-at.bofh.it> <qSEmw-8o1-53@gated-at.bofh.it> <qSEwa-8rZ-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tuesday, January 19, 2016 02:28:58 PM Ingo Molnar wrote: > > * Rafael J. Wysocki <rafael@kernel.org> wrote: > > > On Tue, Jan 19, 2016 at 8:28 AM, Ingo Molnar <mingo@kernel.org> wrote: > > > > > > * 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? > > > > They won't apply at this point as one commit they depend on is in my > > linux-next branch waiting for the next push. > > > > Would it be a problem if they went in through the PM tree instead? > > Absolutely no problem: > > Acked-by: Ingo Molnar <mingo@kernel.org> OK, thanks! Rafael
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[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
csiph-web