linux-kernel - Re: [RFC PATCH 2/4] sched/fair: Introduce cfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87tuglsj0l.mognet@arm.com>
Date:   Tue, 09 Nov 2021 10:47:22 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     Yafang Shao <laoar.shao@...il.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Benjamin Segall <bsegall@...gle.com>,
        Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 2/4] sched/fair: Introduce cfs_migration

On 06/11/21 15:40, Yafang Shao wrote:
> It seems we'd better take the patch[1] I sent several weeks back.
>
> [1]. https://lore.kernel.org/lkml/20210615121551.31138-1-laoar.shao@gmail.com/
>

As Peter stated in that thread, this only reduces the race window and
doesn't eliminate it. The FIFO-1 smpboot idea is still a good one IMO.

> --
> Thanks
> Yafang