linux-kernel - Re: [PATCH net-next v2 0/4] net: mitigate retpoline overhead

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Date:   Fri, 07 Dec 2018 21:29:20 +0100
From:   Paolo Abeni <pabeni@...hat.com>
To:     David Miller <davem@...hat.com>
Cc:     netdev@...r.kernel.org, eric.dumazet@...il.com, pjt@...gle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next v2 0/4] net: mitigate retpoline overhead

Hi,

On Thu, 2018-12-06 at 22:28 -0800, David Miller wrote:
> From: David Miller <davem@...emloft.net>
> Date: Thu, 06 Dec 2018 22:24:09 -0800 (PST)
> 
> > Series applied, thanks!
> 
> Erm... actually reverted.  Please fix these build failures:

oops ...
I'm sorry for the late reply. I'm travelling and I will not able to re-
post soon.

> ld: net/ipv6/ip6_offload.o: in function `ipv6_gro_receive':
> ip6_offload.c:(.text+0xda2): undefined reference to `udp6_gro_receive'
> ld: ip6_offload.c:(.text+0xdb6): undefined reference to `udp6_gro_receive'
> ld: net/ipv6/ip6_offload.o: in function `ipv6_gro_complete':
> ip6_offload.c:(.text+0x1953): undefined reference to `udp6_gro_complete'
> ld: ip6_offload.c:(.text+0x1966): undefined reference to `udp6_gro_complete'
> make: *** [Makefile:1036: vmlinux] Error 1

Are you building with CONFIG_IPV6=m ? I tested vs some common cfg, but
I omitted that in my last iteration (my bad). With such conf ip6
offloads are builtin while udp6 offloads end-up in the ipv6 module, so
I can't use them with the given conf.

I'll try to fix the above in v3.

I'm sorry for this mess,

Paolo