linux-kernel - Re: [PATCH -rt 4/5] workqueue: hotplug fix

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.LFD.2.02.1110241124590.2642@ionos>
Date:	Mon, 24 Oct 2011 11:25:46 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Yong Zhang <yong.zhang0@...il.com>
cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: [PATCH -rt 4/5] workqueue: hotplug fix

On Mon, 24 Oct 2011, Yong Zhang wrote:
> On Wed, Oct 19, 2011 at 09:14:28AM +0200, Thomas Gleixner wrote:
> > > -	spin_unlock_irqrestore(&gcwq->lock, flags);
> > 
> > This part of the patch is pretty pointless.
> 
> But CPU_STARTING is called with irq disabled, and it will take
> the lock unconditionally. Thus below warning is triggered:

Aarg, yes.

Thanks,

	tglx
--
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/