netdev - Re: [PATCH net] ip6_tunnel: Don't update PMTU on tunnels with collect

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Message-ID: <8622979d-ea2d-82e2-600e-c0dd7d7e3e8a@6wind.com>
Date:   Fri, 12 Oct 2018 17:58:55 +0200
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     Stefano Brivio <sbrivio@...hat.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Alexei Starovoitov <ast@...com>, netdev@...r.kernel.org
Subject: Re: [PATCH net] ip6_tunnel: Don't update PMTU on tunnels with
 collect_md

Le 12/10/2018 à 14:32, Stefano Brivio a écrit :
> Commit 8d79266bc48c ("ip6_tunnel: add collect_md mode to IPv6
> tunnels") introduced a check to avoid updating PMTU when
> collect_md mode is enabled.
> 
> Later, commit f15ca723c1eb ("net: don't call update_pmtu
> unconditionally") dropped this check, I guess inadvertently.
I removed it because update_pmtu() is not set for md_dst_op, thus I assume this
check was done for that purpose.

Could you explain in your commit log which problem your patch fixes?