linux-kernel - Re: [patch v2] mm, slub: ensure irqs are enabled for kmemcheck

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Message-ID: <alpine.LFD.2.02.1207102243540.1899@tux.localdomain>
Date:	Tue, 10 Jul 2012 22:44:03 +0300 (EEST)
From:	Pekka Enberg <penberg@...nel.org>
To:	David Rientjes <rientjes@...gle.com>
cc:	Steven Rostedt <rostedt@...dmis.org>,
	JoonSoo Kim <js1304@...il.com>,
	Fengguang Wu <fengguang.wu@...el.com>,
	Vegard Nossum <vegard.nossum@...il.com>,
	Christoph Lameter <cl@...ux.com>, Rus <rus@...nxsoft.com>,
	Ben Hutchings <ben@...adent.org.uk>, stable@...r.kernel.org,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [patch v2] mm, slub: ensure irqs are enabled for kmemcheck

On Mon, 9 Jul 2012, David Rientjes wrote:
> kmemcheck_alloc_shadow() requires irqs to be enabled, so wait to disable
> them until after its called for __GFP_WAIT allocations.
> 
> This fixes a warning for such allocations:
> 
> 	WARNING: at kernel/lockdep.c:2739 lockdep_trace_alloc+0x14e/0x1c0()
> 
> Acked-by: Fengguang Wu <fengguang.wu@...el.com>
> Acked-by: Steven Rostedt <rostedt@...dmis.org>
> Tested-by: Fengguang Wu <fengguang.wu@...el.com>
> Signed-off-by: David Rientjes <rientjes@...gle.com>

Applied, thanks!
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