linux-kernel - Re: [PATCH V2] virtio_net: enable napi for all possible queues during open

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Message-Id: <20130523.001123.1597846956917976677.davem@davemloft.net>
Date:	Thu, 23 May 2013 00:11:23 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jasowang@...hat.com
Cc:	rusty@...tcorp.com.au, mst@...hat.com,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	sasha.levin@...cle.com
Subject: Re: [PATCH V2] virtio_net: enable napi for all possible queues
 during open

From: Jason Wang <jasowang@...hat.com>
Date: Wed, 22 May 2013 14:03:58 +0800

> Commit 55257d72bd1c51f25106350f4983ec19f62ed1fa (virtio-net: fill only rx
> queues which are being used) only does the napi enabling during open for
> curr_queue_pairs. This will break multiqueue receiving since napi of new queues
> were still disabled after changing the number of queues.
> 
> This patch fixes this by enabling napi for all possible queues during open.
> 
> Cc: Sasha Levin <sasha.levin@...cle.com>
> Signed-off-by: Jason Wang <jasowang@...hat.com>

Applied, thanks.
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