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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/
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