netdev - Re: [PATCH net-next-2.6 2/2] be2net: fix mbox polling for signal reception

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Date:	Thu, 12 May 2011 17:29:05 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	sathya.perla@...lex.com, netdev@...r.kernel.org
Subject: Re: [PATCH net-next-2.6 2/2] be2net: fix mbox polling for signal
 reception

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Thu, 12 May 2011 13:49:06 +0100

> On Thu, 2011-05-12 at 11:41 +0530, Sathya Perla wrote:
>> Sending mbox cmds require multiple steps of writing to the DB register and polling
>> for an ack. Gettting interrupted in the middle by a signal breaks the mbox protocol.
>> So, set the task to UNINTERRUPTIBLE for mbox polling.
>> 
>> Signed-off-by: Sathya Perla <sathya.perla@...lex.com>
>> ---
>>  drivers/net/benet/be_cmds.c |    2 +-
>>  1 files changed, 1 insertions(+), 1 deletions(-)
>> 
>> diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
>> index bff41ed..55c8301 100644
>> --- a/drivers/net/benet/be_cmds.c
>> +++ b/drivers/net/benet/be_cmds.c
>> @@ -297,7 +297,7 @@ static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
>>  			return -1;
>>  		}
>>  
>> -		set_current_state(TASK_INTERRUPTIBLE);
>> +		set_current_state(TASK_UNINTERRUPTIBLE);
>>  		schedule_timeout(msecs_to_jiffies(1));
> 
> msleep(1) is a lot more readable.

Agreed.

Sathya, please make this change and resubmit this patch series.

Thanks.
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