From: Valentin Schneider <valentin.schneider@arm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Qais Yousef <qais.yousef@arm.com>, Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Juri Lelli <juri.lelli@redhat.com>,
Vincent Guittot <vincent.guittot@linaro.org>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Ben Segall <bsegall@google.com>, Mel Gorman <mgorman@suse.de>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Yury Norov <yury.norov@gmail.com>, Paul Turner <pjt@google.com>,
Alexey Dobriyan <adobriyan@gmail.com>,
Josh Don <joshdon@google.com>,
Pavan Kondeti <pkondeti@codeaurora.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] sched/rt: Distribute tasks in find_lowest_rq()
Date: Tue, 14 Apr 2020 21:56:43 +0100 [thread overview]
Message-ID: <jhjftd5vl9w.mognet@arm.com> (raw)
In-Reply-To: <20200414162742.0ef4d9ee@gandalf.local.home>
On 14/04/20 21:27, Steven Rostedt wrote:
> On Tue, 14 Apr 2020 19:58:49 +0100
> Valentin Schneider <valentin.schneider@arm.com> wrote:
>
>> To move this forward, I would suggest renaming the current cpumask_any_*()
>> into cpumask_first_*(), and THEN introduce the new pseudo-random
>> ones. People are then free to hand-fix specific locations if it makes sense
>> there, like you're doing for RT.
>
> Or leave "cpumask_any()" as is, and create a new "cpumask_random()" for
> this purpose.
>
Sure; I'll be happy as long as there isn't a blanket replacement of
existing callsites.
> -- Steve
next prev parent reply other threads:[~2020-04-14 20:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-14 15:05 Qais Yousef
2020-04-14 15:05 ` [PATCH 1/4] cpumask: Rename cpumask_any_and_distribute Qais Yousef
2020-04-14 15:05 ` [PATCH 2/4] cpumask: Make cpumask_any() truly random Qais Yousef
2020-04-14 16:19 ` Steven Rostedt
2020-04-15 9:36 ` Peter Zijlstra
2020-04-20 15:43 ` Qais Yousef
2020-04-20 21:36 ` Josh Don
2020-05-28 8:52 ` [cpumask] a7934287d8: BUG:using__this_cpu_read()in_preemptible[#]code:kworker kernel test robot
2020-04-14 15:05 ` [PATCH 3/4] cpumask: Convert cpumask_any_but() to the new random function Qais Yousef
2020-04-14 16:28 ` Steven Rostedt
2020-04-20 15:49 ` Qais Yousef
2020-04-14 15:05 ` [PATCH 4/4] sched/rt: Better distribute tasks that wakeup simultaneously Qais Yousef
2020-04-14 18:58 ` [PATCH 0/4] sched/rt: Distribute tasks in find_lowest_rq() Valentin Schneider
2020-04-14 20:27 ` Steven Rostedt
2020-04-14 20:56 ` Valentin Schneider [this message]
2020-04-15 9:39 ` Peter Zijlstra
2020-04-15 13:18 ` Steven Rostedt
2020-04-21 12:15 ` Qais Yousef
2020-04-21 12:13 ` Qais Yousef
2020-04-21 13:18 ` Valentin Schneider
2020-04-21 13:28 ` Vincent Guittot
2020-04-21 14:22 ` Yury Norov
2020-04-21 14:25 ` Qais Yousef
2020-04-21 14:09 ` Marc Zyngier
2020-04-21 14:22 ` Qais Yousef
2020-04-21 14:28 ` Marc Zyngier
2020-04-21 14:39 ` Qais Yousef
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