linux-kernel - Re: [GIT PULL] scheduler updates for v5.18

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: <875yo6ajsa.fsf@yhuang6-desk2.ccr.corp.intel.com>
Date:   Tue, 22 Mar 2022 08:54:45 +0800
From:   "Huang, Ying" <ying.huang@...el.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Qian Cai <quic_qiancai@...cinc.com>,
        Ingo Molnar <mingo@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        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>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Borislav Petkov <bp@...en8.de>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [GIT PULL] scheduler updates for v5.18

Hi, Linus,

Linus Torvalds <torvalds@...ux-foundation.org> writes:

> On Mon, Mar 21, 2022 at 6:13 AM Qian Cai <quic_qiancai@...cinc.com> wrote:
>>
>> On Mon, Mar 21, 2022 at 11:54:09AM +0100, Ingo Molnar wrote:
>> > Huang Ying (3):
>> >       sched/numa-balancing: Move some document to make it consistent with the code
>> >       sched/numa: Fix NUMA topology for systems with CPU-less nodes
>> >       sched/numa: Avoid migrating task to CPU-less node
>>
>> Linus, I don't think you want to merge this as-is. This will introduce a
>> kernel crash on arm64 NUMA as mentioned in this thread,
>
> Ok, dropped from my queue. Thanks,

Can you just drop the last one, that is,

  sched/numa: Avoid migrating task to CPU-less node

That is the patch that has the bug reported by Qian.  The other 2 are
good.

I will work with Peter and Ingo to update the buggy patch.

Best Regards,
Huang, Ying