netdev - Re: [net-next 2/7] ixgbe: Indicate removal state explicitly

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Date:	Thu, 9 Jan 2014 17:29:29 +0000
From:	"Rustad, Mark D" <mark.d.rustad@...el.com>
To:	Scott Feldman <sfeldma@...il.com>
CC:	"Brown, Aaron F" <aaron.f.brown@...el.com>,
	David Miller <davem@...emloft.net>,
	Netdev <netdev@...r.kernel.org>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"sassmann@...hat.com" <sassmann@...hat.com>
Subject: Re: [net-next 2/7] ixgbe: Indicate removal state explicitly

On Jan 8, 2014, at 12:37 AM, Scott Feldman <sfeldma@...il.com> wrote:

> 
> On Jan 7, 2014, at 11:40 PM, Aaron Brown <aaron.f.brown@...el.com> wrote:
> 
>> From: Mark Rustad <mark.d.rustad@...el.com>
>> 
>> Add a bit, __IXGBE_REMOVE, to indicate that the module is being
>> removed. The __IXGBE_DOWN bit had been overloaded for this purpose,
>> but that leads to trouble. A few places now check both __IXGBE_DOWN
>> and __IXGBE_REMOVE. Notably, setting either bit will prevent service
>> task execution.
>> 
>> Signed-off-by: Mark Rustad <mark.d.rustad@...el.com>
>> Tested-by: Phil Schmitt <phillip.j.schmitt@...el.com>
>> Signed-off-by: Aaron Brown <aaron.f.brown@...el.com>
>> ---
>> drivers/net/ethernet/intel/ixgbe/ixgbe.h      |  1 +
>> drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 12 ++++++++----
>> 2 files changed, 9 insertions(+), 4 deletions(-)
>> 
>> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
>> index 49531cd..8da263a 100644
>> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
>> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
>> @@ -798,6 +798,7 @@ enum ixgbe_state_t {
>> 	__IXGBE_TESTING,
>> 	__IXGBE_RESETTING,
>> 	__IXGBE_DOWN,
>> +	__IXGBE_REMOVE,
> 
> __IXGBE_REMOVING?  More consistent with _TESTING, _RESETTING, etc.

And more correct in actual meaning as well. Another good suggestion.

-- 
Mark Rustad, Networking Division, Intel Corporation


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