linux-kernel - Re: [PATCH 2/6] irq_work: Implement remote queueing

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Message-ID: <20140625093657.GN19860@laptop.programming.kicks-ass.net>
Date:	Wed, 25 Jun 2014 11:36:57 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Kevin Hilman <khilman@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>
Subject: Re: [PATCH 2/6] irq_work: Implement remote queueing

On Wed, Jun 25, 2014 at 12:07:05PM +0530, Srivatsa S. Bhat wrote:
> I don't think irqs_disabled() is the problematic condition, since
> hotplug_cfg() invokes irq_work_run() from CPU_DYING context (which has
> irqs disabled). I guess you meant to remove the in_irq() check inside
> irq_work_run() instead?

Yes, clearly I should not get up at 6am.. :-) Let me go do a new one.
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