linux-kernel - Re: [PATCH] openvswitch: Disable bottom half when grabbing stats lock in userspace context

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Message-ID: <530FB7DD.6000500@citrix.com>
Date:	Thu, 27 Feb 2014 22:10:37 +0000
From:	Zoltan Kiss <zoltan.kiss@...rix.com>
To:	Jesse Gross <jesse@...ira.com>, <pshelar@...ira.com>,
	<dev@...nvswitch.org>
CC:	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] openvswitch: Disable bottom half when grabbing stats
 lock in userspace context

On 27/02/14 22:04, Zoltan Kiss wrote:
> The megaflow feature introduced per-CPU stats, and the new code did some
> refactoring as well [1]. However the new functions doesn't disable bottom halves
> when locking the stat, and as they can be called from userspace context, they
> can be interrupted by netif_receive_skb.

Just forget about this, I'll send in soon the version with *_bh locks.

Zoli
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