linux-kernel - Re: [PATCH RESEND] mlx4: Fix tx ring affinity

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Message-Id: <20150429.151726.2104003118383475913.davem@davemloft.net>
Date:	Wed, 29 Apr 2015 15:17:26 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	bpoirier@...e.de
Cc:	amirv@...lanox.com, idos@...lanox.com, gerlitz.or@...il.com,
	clsoto@...ibm.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND] mlx4: Fix tx ring affinity_mask creation

From: Benjamin Poirier <bpoirier@...e.de>
Date: Tue, 28 Apr 2015 14:49:29 -0700

> By default, the number of tx queues is limited by the number of online cpus
> in mlx4_en_get_profile(). However, this limit no longer holds after the
> ethtool .set_channels method has been called. In that situation, the driver
> may access invalid bits of certain cpumask variables when queue_index >=
> nr_cpu_ids.
> 
> Signed-off-by: Benjamin Poirier <bpoirier@...e.de>
> Acked-by: Ido Shamay <idos@...lanox.com>
> Fixes: d03a68f ("net/mlx4_en: Configure the XPS queue mapping on driver load")

Applied and queue up for -stable, thanks.
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