linux-kernel - Re: [PATCH] [RFC] kernel/cpu: Use lockref for online CPU reference counting

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Message-ID: <20160217161457.GH6357@twins.programming.kicks-ass.net>
Date:	Wed, 17 Feb 2016 17:14:57 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Intel graphics driver community testing & development 
	<intel-gfx@...ts.freedesktop.org>,
	Linux kernel development <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	David Hildenbrand <dahi@...ux.vnet.ibm.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	"Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>,
	Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: [PATCH] [RFC] kernel/cpu: Use lockref for online CPU reference
 counting

On Wed, Feb 17, 2016 at 05:13:21PM +0100, Daniel Vetter wrote:
> And for context we're hitting this on CI in a bunch of our machines, which

What's CI ?