netdev - Re: [Bugme-new] [Bug 11316] New: severe performance regression for iptables nat routing

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Message-Id: <20080815.145655.154408190.davem@davemloft.net>
Date:	Fri, 15 Aug 2008 14:56:55 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	alex.williamson@...com, kaber@...sh.net, akpm@...ux-foundation.org,
	buytenh@...vell.com, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org
Subject: Re: [Bugme-new] [Bug 11316] New: severe performance regression for
 iptables nat routing

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Fri, 15 Aug 2008 15:35:48 +1000

> loopback: Drop obsolete ip_summed setting
> 
> Now that the network stack can handle inbound packets with partial
> checksums, we should no longer clobber the ip_summed field in the
> loopback driver.  This is because CHECKSUM_UNNECESSARY implies that
> the checksum field is actually valid which is not true for loopback
> packets since it's only partial (and thus complemented).
> 
> This allows packets from lo to then be SNATed to an external source
> while still preserving the checksum's validity.
> 
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

I've applied this one too, let me know if I should not have :)
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