linux-kernel - Re: [PATCH 2/2] sched_rt: protect rt_rq->rt_time by rt_runtime

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] [day] [month] [year] [list]

Message-ID: <498C8681.3070205@ct.jp.nec.com>
Date:	Fri, 06 Feb 2009 10:50:41 -0800
From:	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] sched_rt: protect rt_rq->rt_time by rt_runtime_lock

Hiroshi Shimamoto wrote:
> Peter Zijlstra wrote:
>> On Thu, 2009-02-05 at 15:38 -0800, Hiroshi Shimamoto wrote:
>>> From: Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>
>>>
>>> Impact: fix possible race condition
>>>
>>> rt_rq->rt_time should be protected.
>> Don't think so, all we do is check the value for non-zero outside the
>> lock, that should be ok.

OK, now I see. I didn't find any real race.

Thanks,
Hiroshi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/