From: Frederic Weisbecker <frederic@kernel.org>
To: Anna-Maria Behnsen <anna-maria@linutronix.de>
Cc: linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
John Stultz <jstultz@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
Eric Dumazet <edumazet@google.com>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Arjan van de Ven <arjan@infradead.org>,
"Paul E . McKenney" <paulmck@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Rik van Riel <riel@surriel.com>,
Steven Rostedt <rostedt@goodmis.org>,
Sebastian Siewior <bigeasy@linutronix.de>,
Giovanni Gherdovich <ggherdovich@suse.cz>,
Lukasz Luba <lukasz.luba@arm.com>,
"Gautham R . Shenoy" <gautham.shenoy@amd.com>,
Richard Cochran <richardcochran@gmail.com>
Subject: Re: [PATCH v7 12/21] timer: Keep the pinned timers separate from the others
Date: Tue, 6 Jun 2023 12:27:35 +0200 [thread overview]
Message-ID: <ZH8KF8cUrOnQXgf1@lothringen> (raw)
In-Reply-To: <20230524070629.6377-13-anna-maria@linutronix.de>
On Wed, May 24, 2023 at 09:06:20AM +0200, Anna-Maria Behnsen wrote:
> Separate the storage space for pinned timers. Deferrable timers (doesn't
> matter if pinned or non pinned) are still enqueued into their own base.
>
> This is preparatory work for changing the NOHZ timer placement from a push
> at enqueue time to a pull at expiry time model.
>
> Originally-by: Richard Cochran (linutronix GmbH) <richardcochran@gmail.com>
> Signed-off-by: Anna-Maria Behnsen <anna-maria@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
next prev parent reply other threads:[~2023-06-06 10:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-24 7:06 [PATCH v7 00/21] timer: Move from a push remote at enqueue to a pull at expiry model Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 01/21] tick-sched: Warn when next tick seems to be in the past Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 02/21] timer: Do not IPI for deferrable timers Anna-Maria Behnsen
2023-06-05 21:29 ` Frederic Weisbecker
2023-05-24 7:06 ` [PATCH v7 03/21] timer: Add comment to get_next_timer_interrupt() description Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 04/21] timer: Move store of next event into __next_timer_interrupt() Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 05/21] timer: Split next timer interrupt logic Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 06/21] timer: Rework idle logic Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 07/21] timers: Introduce add_timer() variants which modify timer flags Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 08/21] workqueue: Use global variant for add_timer() Anna-Maria Behnsen
2023-06-05 22:25 ` Frederic Weisbecker
2023-05-24 7:06 ` [PATCH v7 09/21] timer: add_timer_on(): Make sure TIMER_PINNED flag is set Anna-Maria Behnsen
2023-06-05 22:26 ` Frederic Weisbecker
2023-05-24 7:06 ` [PATCH v7 10/21] timers: Ease code in run_local_timers() Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 11/21] timers: Create helper function to forward timer base clk Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 12/21] timer: Keep the pinned timers separate from the others Anna-Maria Behnsen
2023-06-06 10:27 ` Frederic Weisbecker [this message]
2023-05-24 7:06 ` [PATCH v7 13/21] timer: Retrieve next expiry of pinned/non-pinned timers separately Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 14/21] timer: Split out "get next timer interrupt" functionality Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 15/21] timer: Add get next timer interrupt functionality for remote CPUs Anna-Maria Behnsen
2023-06-07 14:55 ` Frederic Weisbecker
2023-06-12 12:01 ` Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 16/21] timer: Restructure internal locking Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 17/21] timer: Check if timers base is handled already Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 18/21] tick/sched: Split out jiffies update helper function Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 19/21] timer: Implement the hierarchical pull model Anna-Maria Behnsen
2023-06-06 20:10 ` Frederic Weisbecker
2023-06-07 13:54 ` Frederic Weisbecker
2023-06-12 12:29 ` Anna-Maria Behnsen
2023-06-12 14:30 ` Frederic Weisbecker
2023-06-11 21:19 ` Frederic Weisbecker
2023-06-12 15:09 ` Frederic Weisbecker
2023-06-12 15:57 ` Anna-Maria Behnsen
2023-06-12 21:20 ` Frederic Weisbecker
2023-06-13 10:51 ` Frederic Weisbecker
2023-05-24 7:06 ` [PATCH v7 20/21] timer_migration: Add tracepoints Anna-Maria Behnsen
2023-05-24 7:06 ` [PATCH v7 21/21] timer: Always queue timers on the local CPU Anna-Maria Behnsen
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