linux-kernel - Re: [PATCH 5/6] cgroup: implement cgroup v2 thread support

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]

Date:   Wed, 19 Jul 2017 12:34:53 -0400
From:   Tejun Heo <tj@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     lizefan@...wei.com, hannes@...xchg.org, mingo@...hat.com,
        longman@...hat.com, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com, pjt@...gle.com,
        luto@...capital.net, efault@....de, torvalds@...ux-foundation.org,
        guro@...com
Subject: Re: [PATCH 5/6] cgroup: implement cgroup v2 thread support

Hello, Peter.

On Wed, Jul 19, 2017 at 04:07:28PM +0200, Peter Zijlstra wrote:
> On Tue, Jul 18, 2017 at 02:47:14PM -0400, Tejun Heo wrote:
> > Were there other things that caught your eyes?
> 
> I didn't immediately see the point of "domain (threaded" output, and I

I'll probably drop the parens but I think it's meaningful to show the
state to userland as it affects what users can and can't do.

> think it might be useful to have a "threaded" column in /proc/cgroups.

Will add that.  We *might* want cgroup.controllers_threaded too but we
can think about that later.

> But no, I've been over this a few times now and I think we're good.
> 
> Yes, I think we can work with this. Thanks!

Awesome.  I'll update the patchset.

Thanks a lot for the inputs and patience!

-- 
tejun