netdev - Re: [PATCH] mlx4: Fix tx ring affinity

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Message-ID: <CAJ3xEMiGSsDPNe+bFQxB-YshaDKjMCrgfqJW41MZ3-yKjefCRQ@mail.gmail.com>
Date:	Tue, 28 Apr 2015 21:24:01 +0300
From:	Or Gerlitz <gerlitz.or@...il.com>
To:	Benjamin Poirier <bpoirier@...e.de>
Cc:	Amir Vadai <amirv@...lanox.com>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mlx4: Fix tx ring affinity_mask creation

On Fri, Apr 10, 2015 at 7:27 PM, Benjamin Poirier <bpoirier@...e.de> wrote:
> 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.
>

Hi Benjamin,

Can this fix be related to a specific commit? if yes, would be good if
you can add here a Fixes: line so it would be easier to spot down to
which stable kernels the fix should go.

Or.

> Signed-off-by: Benjamin Poirier <bpoirier@...e.de>
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