linux-kernel - Re: [PATCH] proc_oom_score: remove tasklist_lock and pid

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: <alpine.DEB.2.10.1606081548300.12203@chino.kir.corp.google.com>
Date:	Wed, 8 Jun 2016 15:48:42 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...nel.org>,
	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc_oom_score: remove tasklist_lock and pid_alive()

On Wed, 8 Jun 2016, Oleg Nesterov wrote:

> This was needed before to ensure that ->signal != 0 and do_each_thread()
> is safe, see the commit b95c35e76b29b for details.
> 
> Today tsk->signal can't go away and for_each_thread(tsk) is always safe.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: David Rientjes <rientjes@...gle.com>