netdev - Re: [PATCH] net: core: Fix race by protecting process

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Message-ID: <1421305282.11734.38.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Wed, 14 Jan 2015 23:01:22 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	subashab@...eaurora.org
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] net: core: Fix race by  protecting process_queues at
 CPU hotplug

On Thu, 2015-01-15 at 03:13 +0000, subashab@...eaurora.org wrote:
> I am seeing frequent crashes in high throughput conditions in a
> multiprocessor system with kernel version 3.10 where cores are getting hot
> plugged. I have pinned the network stack to a particular core using
> receive packet steering (RPS). At the time of crash, it looks like a
> contention of the process_queue between dev_cpu_callback and
> process_backlog.

Your patch is mangled, hard to tell what is going on.


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