netdev - Re: [PATCH] virtio_net: Add schedule check to napi

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Message-Id: <20110210.110119.226784284.davem@davemloft.net>
Date:	Thu, 10 Feb 2011 11:01:19 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	mst@...hat.com
Cc:	rusty@...tcorp.com.au, herbert@...dor.hengli.com.au,
	netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	kstailey@...oo.com
Subject: Re: [PATCH] virtio_net: Add schedule check to napi_enable call

From: "Michael S. Tsirkin" <mst@...hat.com>
Date: Thu, 10 Feb 2011 19:57:26 +0200

> On Thu, Feb 10, 2011 at 12:32:50PM +1030, Rusty Russell wrote:
>> From: "Bruce Rogers" <brogers@...ell.com>
>> 
>> Under harsh testing conditions, including low memory, the guest would
>> stop receiving packets. With this patch applied we no longer see any
>> problems in the driver while performing these tests for extended periods
>> of time.
>> 
>> Make sure napi is scheduled subsequent to each napi_enable.
>> 
>> Signed-off-by: Bruce Rogers <brogers@...ell.com>
>> Signed-off-by: Olaf Kirch <okir@...e.de>
>> Cc: stable@...nel.org
>> Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> 
> Rusty, so this is 2.6.38 material - you'll send this to Linus? Or DaveM?

Don't worry I'll apply this to net-2.6, thanks.
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