netdev - Re: [PATCH 2/2] xen-netfront: call netif_start_queue() on xennet

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Message-ID: <4888CC5D.9030800@goop.org>
Date:	Thu, 24 Jul 2008 11:39:25 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jeff Garzik <jeff@...zik.org>
CC:	Eduardo Habkost <ehabkost@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, NetDev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>
Subject: Re: [PATCH 2/2] xen-netfront: call netif_start_queue() on xennet_open()

Jeff Garzik wrote:
> Jeremy Fitzhardinge wrote:
>> Eduardo Habkost wrote:
>>> xen-netfront was waking the queue before calling netif_start_queue(),
>>> triggering the BUG_ON() on __netif_schedule().
>>>
>>> Signed-off-by: Eduardo Habkost <ehabkost@...hat.com>
>>>   
>> Ok,
>> Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
>>
>> but Ingo, do you want to pick this up?  You're gathering a collection 
>> of these patches anyway, or should we kick it over to Dave/Jeff?
>>
>>    J
>>
>>> ---
>>>  drivers/net/xen-netfront.c |    2 +-
>>>  1 files changed, 1 insertions(+), 1 deletions(-)
>>>
>>> diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
>>> index 902bbe7..c749bdb 100644
>>> --- a/drivers/net/xen-netfront.c
>>> +++ b/drivers/net/xen-netfront.c
>>> @@ -329,7 +329,7 @@ static int xennet_open(struct net_device *dev)
>>>      }
>>>      spin_unlock_bh(&np->rx_lock);
>>>  
>>> -    xennet_maybe_wake_tx(dev);
>>> +    netif_start_queue(dev);
>
> This is clearly a net driver change, it should go this way... 

OK, all your's.

    J

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