netdev - Re: [Patch 1/1][RFC] NETDEV: Find network bugs by validating the sk

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Message-ID: <20090429151440.GA14266@cuplxvomd02.corp.sa.net>
Date:	Wed, 29 Apr 2009 08:14:40 -0700
From:	David VomLehn <dvomlehn@...co.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [Patch 1/1][RFC] NETDEV: Find network bugs by validating the
	sk_buff state

On Tue, Apr 28, 2009 at 10:30:58PM -0700, David Miller wrote:
> 
> Sorry, for this to be useful distributions are going to turn it on by
> default, and adding 24 bytes to struct sk_buff on 64-bit when we're
> trying everything in our power to make it smaller rather than larger
> is not acceptable.

That's like saying that any of the kernel debugging options have to be on
by default.  I expect that most folks won't want this on unless they are
looking for a bug. 

> It's a useful change, something to keep in one's back pocket when
> debugging something, but not for upstream, sorry.

Right. This is why it depends on KERNEL_DEBUG and why it is off by default.

David VomLehn
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