Subject: Re: [PATCH 1/2] ipv4: Remove output route check in ipv4_mtu

From: Timo Teras <[email-masked]>
Date: Thu, 17 Jan 2013 10:35:15 +0200

On Thu, 17 Jan 2013 07:55:01 +0100 Steffen Klassert
<[email-masked]> wrote:

> The output route check was introduced with git commit 261663b0
> (ipv4: Don't use the cached pmtu informations for input routes)
> during times when we cached the pmtu informations on the
> inetpeer. Now the pmtu informations are back in the routes,
> so this check is obsolete. It also had some unwanted side effects,
> as reported by Timo Teras and Lukas Tribus.
> 
> Signed-off-by: Steffen Klassert <[email-masked]>
> ---

Acked-by: Timo Teräs <[email-masked]>

I think this should also go to stable queues which are applicable, since
the original commit caused CLAMPMSS and XFRM pmtu regressions.

The original thread of this is:
http://marc.info/?t=134208398500001&r=1&w=2

My original revert request is at:
http://marc.info/?l=linux-netdev&m=134242561624266&w=2

and additional reasoning at:
http://marc.info/?l=linux-netdev&m=134243626627716&w=2

Thanks,
 Timo