From: Peter Zijlstra <peterz@infradead.org>
To: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>,
keescook@chromium.org, Christoph Hellwig <hch@lst.de>,
John Stultz <john.stultz@linaro.org>
Subject: Re: [PATCH v2 00/37] hrtimer: Provide softirq context hrtimers
Date: Mon, 23 Oct 2017 18:08:14 +0200 [thread overview]
Message-ID: <20171023160814.GG3165@worktop.lehotels.local> (raw)
In-Reply-To: <20171022213938.940451689@linutronix.de>
On Sun, Oct 22, 2017 at 11:39:38PM +0200, Anna-Maria Gleixner wrote:
> This series implements a new approach by adding SOFT hrtimer mode and
> instead of doing the list shuffle, timers started with this mode are put
> into separate soft expiry hrtimer queues. These queues are evaluated only
> when the hardirq context detects that the first expiring timer in the
> softirq queues has expired. That makes the overhead in the hardirq context
> minimal.
Thanks!
1-29,33: Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
prev parent reply other threads:[~2017-10-23 16:08 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-22 21:39 [PATCH v2 00/37] hrtimer: Provide softirq context hrtimers Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 01/37] hrtimer: Correct blantanly wrong comment Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 02/37] hrtimer: Fix kerneldoc for struct hrtimer_cpu_base Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 03/37] hrtimer: Cleanup clock argument in schedule_hrtimeout_range_clock() Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 04/37] hrtimer: Fix hrtimer function description Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 05/37] hrtimer: Ensure POSIX compliance (relative CLOCK_REALTIME hrtimers) Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 06/37] hrtimer: Cleanup hrtimer_mode enum Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 07/37] tracing: hrtimer: Take all clock bases and modes into account Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 08/37] tracing: hrtimer: Print hrtimer mode in hrtimer_start tracepoint Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 09/37] hrtimer: Switch for loop to _ffs() evaluation Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 10/37] hrtimer: Store running timer in hrtimer_clock_base Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 11/37] hrtimer: Change boolean struct members into bitfield Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 12/37] hrtimer: Make room in struct hrtimer_cpu_base Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 13/37] hrtimer: Reduce conditional code (hres_active) Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 14/37] hrtimer: Use accesor functions instead of direct access Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 15/37] hrtimer: Make the remote enqueue check unconditional Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 16/37] hrtimer: Make hrtimer_cpu_base.next_timer handling unconditional Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 17/37] hrtimer: Make hrtimer_reprogramm() unconditional Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 18/37] hrtimer: Reduce conditional code and make hrtimer_force_reprogramm() unconditional Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 19/37] hrtimer: Unify handling of hrtimer remove Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 20/37] hrtimer: Unify handling of remote enqueue Anna-Maria Gleixner
2017-10-22 21:39 ` [PATCH v2 21/37] hrtimer: Make remote enqueue decision less restrictive Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 22/37] hrtimer: Remove base argument from hrtimer_reprogram() Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 23/37] hrtimer: Split hrtimer_start_range_ns() Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 24/37] hrtimer: Split __hrtimer_get_next_event() Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 25/37] hrtimer: Use irqsave/irqrestore around __run_hrtimer() Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 26/37] hrtimer: Add clock bases and hrtimer mode for soft irq context Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 27/37] hrtimer: Prepare handling of hard and softirq based hrtimers Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 28/37] hrtimer: Implement support for " Anna-Maria Gleixner
2017-11-10 12:42 ` Sebastian Andrzej Siewior
2017-11-13 9:13 ` Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 29/37] hrtimer: Implement SOFT/HARD clock base selection Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 30/37] can/bcm: Replace hrtimer_tasklet with softirq based hrtimer Anna-Maria Gleixner
2017-10-27 14:42 ` Oliver Hartkopp
2017-10-22 21:40 ` [PATCH v2 31/37] mac80211_hwsim: Replace hrtimer tasklet with softirq hrtimer Anna-Maria Gleixner
2017-10-23 10:14 ` Johannes Berg
2017-10-23 10:23 ` Thomas Gleixner
2017-10-23 10:25 ` Johannes Berg
2017-10-23 10:33 ` Thomas Gleixner
2017-10-23 10:42 ` Johannes Berg
2017-10-22 21:40 ` [PATCH v2 32/37] xfrm: " Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 33/37] softirq: Remove tasklet_hrtimer Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 34/37] ALSA/dummy: Replace tasklet with softirq hrtimer Anna-Maria Gleixner
2017-10-24 6:25 ` Takashi Iwai
2017-10-22 21:40 ` [PATCH v2 36/37] usb/gadget/NCM: " Anna-Maria Gleixner
2017-10-22 21:40 ` [PATCH v2 37/37] net/mvpp2: " Anna-Maria Gleixner
2017-10-23 16:08 ` Peter Zijlstra [this message]
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