Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1628357
| Path | csiph.com!aioe.org!bofh.it!news.nic.it!robomod |
|---|---|
| From | Frederic Weisbecker <fweisbec@gmail.com> |
| Newsgroups | linux.kernel |
| Subject | Re: [patch V2 03/10] timers: Rework idle logic |
| Date | Fri, 21 Apr 2017 17:30:02 +0200 |
| Message-ID | <tyIFs-7rg-5@gated-at.bofh.it> (permalink) |
| References | <txEue-8r4-5@gated-at.bofh.it> <txEue-8r4-3@gated-at.bofh.it> <txRKO-8uq-17@gated-at.bofh.it> |
| X-Original-To | Peter Zijlstra <peterz@infradead.org> |
| Dkim-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=4ksr/AcCuVndymakv+PkU+aoeBxSsjtXESzEEop8ChE=; b=XZ3rqR5iwF1AQ+hdIiHt5Uht+zn6kLgpTZ0reRe+UO9/OQOq4TvdvDANhiKrJSDFxB oSeCvX1Qb1J0JU0nyB9VnhLGfVcF18R0nt0PtglvGFr5VzQTxC1QYYa7kUvy/X+oxXBJ VfcIN5yxw4d/SzVhgx+mRPb2gmTWlsbytumQI5X9BGALsivKAhiMZIvT3A9QUwL8DQ6S mxBp+KPtTI7mDxf2GlVdHToVQDOu7qmAhoHRIpSb0s5PEKf2891mq2Fnxq7pIcEHwzeO 1NJ8LPKgFmG0L5L8PiPTd+4O+MWd8jgnLY+88ae/9dQ2ti8m+uCwrfUNbn8aR/IGtlBs xreg== |
| X-Google-Dkim-Signature | v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=4ksr/AcCuVndymakv+PkU+aoeBxSsjtXESzEEop8ChE=; b=ATgvqxgukO7fW+Epcb2nIFrrIx23T3aI9vrdiRxplUMg3U/Dk/YNEBVQ5SCAN4EY6n F5QAgysjV0wrma/RF6F+99bqynE2q+P6KF3PDIKuGPc7xFCKCHYCpZ7BCL0aPwQqBp1I q/1DnAnCfRQvmelir9bc/qWG2I4RUMC1bvXiA8UTfjhjBaGTdjakfglY4XoUV/GaO+g9 OPgQPuien/gIQ6Nasykvf5Xi4TmZBTm2x37/s4Tasg3ebJxvKH1tdgcHfzrrKKvVm6nv 6+TgiI2yA+xO+lKiVHrv5uJdoqFh65xqDrdUux38EwocJaScXx2D74dJydQtiS9oo/vF Hv5g== |
| X-Gm-Message-State | AN3rC/5l5YySHQH31DogptYhL9BnoLafJcIypmYLd4I48IJJYzR2zBr9 YcKM0SosWBqfHQ== |
| X-Received | by 10.28.32.193 with SMTP id g184mr8177364wmg.56.1492785841239; Fri, 21 Apr 2017 07:44:01 -0700 (PDT) |
| MIME-Version | 1.0 |
| Content-Type | text/plain; charset=us-ascii |
| Content-Disposition | inline |
| User-Agent | Mutt/1.5.24 (2015-08-30) |
| Sender | robomod@news.nic.it |
| List-ID | <linux-kernel.vger.kernel.org> |
| X-Mailing-List | linux-kernel@vger.kernel.org |
| Approved | robomod@news.nic.it |
| Lines | 31 |
| Organization | linux.* mail to news gateway |
| X-Original-Cc | Thomas Gleixner <tglx@linutronix.de>, LKML <linux-kernel@vger.kernel.org>, John Stultz <john.stultz@linaro.org>, Eric Dumazet <edumazet@google.com>, Anna-Maria Gleixner <anna-maria@linutronix.de>, "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, linux-pm@vger.kernel.org, Arjan van de Ven <arjan@infradead.org>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Rik van Riel <riel@redhat.com> |
| X-Original-Date | Fri, 21 Apr 2017 16:43:59 +0200 |
| X-Original-Message-ID | <20170421144358.GC2586@lerouge> |
| X-Original-References | <20170418111102.490432548@linutronix.de> <20170418111400.589271247@linutronix.de> <20170419065039.nhmi5vrhydqy5ftw@hirez.programming.kicks-ass.net> |
| X-Original-Sender | linux-kernel-owner@vger.kernel.org |
| Xref | csiph.com linux.kernel:1628357 |
Show key headers only | View raw
On Wed, Apr 19, 2017 at 08:50:39AM +0200, Peter Zijlstra wrote: > On Tue, Apr 18, 2017 at 01:11:05PM +0200, Thomas Gleixner wrote: > > Storing next event and determining whether the base is idle can be done in > > __next_timer_interrupt(). > > > > Preparatory patch for new call sites which need this information as well. > > > > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > > --- > > kernel/time/timer.c | 43 ++++++++++++++++++++++++------------------- > > 1 file changed, 24 insertions(+), 19 deletions(-) > > > > --- a/kernel/time/timer.c > > +++ b/kernel/time/timer.c > > @@ -1358,8 +1358,11 @@ static int next_pending_bucket(struct ti > > /* > > * Search the first expiring timer in the various clock levels. Caller must > > * hold base->lock. > > + * > > + * Stores the next expiry time in base. The return value indicates whether > > + * the base is empty or not. > > */ > > -static unsigned long __next_timer_interrupt(struct timer_base *base) > > +static bool __next_timer_interrupt(struct timer_base *base) > > Can't say I'm a fan of this.. I sort of see where this is going, but the > fact remains that __next_timer_interrupt(), as a function, makes me > expect a return value of time/timer quantity. Maybe we can just do a rename like fetch_next_timer_interrupt() or update_next_timer_interrupt()?
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
[patch V2 03/10] timers: Rework idle logic Thomas Gleixner <tglx@linutronix.de> - 2017-04-18 18:50 +0200
Re: [patch V2 03/10] timers: Rework idle logic Peter Zijlstra <peterz@infradead.org> - 2017-04-19 09:00 +0200
Re: [patch V2 03/10] timers: Rework idle logic Frederic Weisbecker <fweisbec@gmail.com> - 2017-04-21 17:30 +0200
csiph-web