Re: [stable] [PATCH 3/3][STABLE] KVM: add schedule check to napi_enable call

Peter Lieven
2010-12-03T15:53:22Z

Am 04.06.2010 um 02:02 schrieb Bruce Rogers:

>>>> On 6/3/2010 at 04:51 PM, Greg KH <greg@kroah.com> wrote:
>> On Thu, Jun 03, 2010 at 04:17:34PM -0600, Bruce Rogers wrote:
>>>>>> On 6/3/2010 at 03:03 PM, Greg KH <greg@kroah.com> wrote:
>>>> On Thu, Jun 03, 2010 at 01:38:31PM -0600, Bruce Rogers wrote:
>>>>> virtio_net: Add schedule check to napi_enable call
>>>>> 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@novell.com>
>>>>> Signed-off-by: Olaf Kirch <okir@suse.de>
>>>>
>>>> I need a git commit id for this one as well.
>>>>
>>>
>>> This one is not upstream.
>>
>> Then I can't include it in the -stable tree, so why are you sending it
>> to me? :)
>>
>> thanks,
>>
>> greg k-h
>
> Good point!
> Sorry about the confusion.
> Bruce

Is there any reason why this patch is not yet in the stable kernel?
virtio_net is still crashing under heavy load in current vanilla kernel.
This patch *might be* the solution.

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