netdev - Re: [PATCH]: Add Network Sysrq Support

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Message-ID: <4E01C71C.5060003@redhat.com>
Date:	Wed, 22 Jun 2011 06:42:36 -0400
From:	Prarit Bhargava <prarit@...hat.com>
To:	David Miller <davem@...emloft.net>
CC:	fw@...len.de, fbl@...hat.com, netdev@...r.kernel.org,
	agospoda@...hat.com, nhorman@...hat.com, lwoodman@...hat.com
Subject: Re: [PATCH]: Add Network Sysrq Support



On 06/22/2011 06:35 AM, David Miller wrote:
> From: Prarit Bhargava <prarit@...hat.com>
> Date: Wed, 22 Jun 2011 06:26:23 -0400
>
>   
>> Using the netfilter xt-SYSRQ code seems to store the entered code and
>> execute it later after the system has returned to a normal state....
>> which is much too late to be useful.
>>     
> So add a feature that allows xt-SYSRQ to not queue the request
> and instead execute it immediately in softirq context.
>
> I don't see what the big deal is.
>   

I'm not familiar with the netfilter code and was about to ask some other
colleagues about it ... but I think you answered my main question which
was "does netfilter do things in interrupt context?"

P.
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