linux-kernel - Re: [PATCH v4 3/7] sched/fair: avoid double search on same cpu

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: <CABk29NszU9vhmO7W3LJumonK7NW-4Nq+PkNFj_hX-WP6ZiF-FA@mail.gmail.com>
Date:   Mon, 27 Jun 2022 16:24:55 -0700
From:   Josh Don <joshdon@...gle.com>
To:     Abel Wu <wuyun.abel@...edance.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Chen Yu <yu.c.chen@...el.com>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        K Prateek Nayak <kprateek.nayak@....com>,
        "Gautham R . Shenoy" <gautham.shenoy@....com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/7] sched/fair: avoid double search on same cpu

On Sun, Jun 19, 2022 at 5:05 AM Abel Wu <wuyun.abel@...edance.com> wrote:
>
> The prev cpu is checked at the beginning of SIS, and it's unlikely to be
> idle before the second check in select_idle_smt(). So we'd better focus
> only on its SMT siblings.
>
> Signed-off-by: Abel Wu <wuyun.abel@...edance.com>

Reviewed-by: Josh Don <joshdon@...gle.com>