Re: linux-next: manual merge of the bpf-next tree with the net-next tree

[Christian Ehrig <cehrig@cloudflare.com>]

On Thu, Apr 13, 2023 at 05:12:35PM +0100, broonie@kernel.org wrote:
> Hi all,
> 
> Today's linux-next merge of the bpf-next tree got a conflict in:
> 
>   include/net/ip_tunnels.h
> 
> between commit:
> 
>   bc9d003dc48c3 ("ip_tunnel: Preserve pointer const in ip_tunnel_info_opts")
> 
> from the net-next tree and commit:
> 
>   ac931d4cdec3d ("ipip,ip_tunnel,sit: Add FOU support for externally controlled ipip devices")
> 
> from the bpf-next tree.
> 
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> diff --cc include/net/ip_tunnels.h
> index 255b32a90850a,7912f53caae0b..0000000000000
> --- a/include/net/ip_tunnels.h
> +++ b/include/net/ip_tunnels.h
> @@@ -66,15 -73,9 +73,16 @@@ struct ip_tunnel_encap 
>   #define IP_TUNNEL_OPTS_MAX					\
>   	GENMASK((sizeof_field(struct ip_tunnel_info,		\
>   			      options_len) * BITS_PER_BYTE) - 1, 0)
>  +
>  +#define ip_tunnel_info_opts(info)				\
>  +	_Generic(info,						\
>  +		 const struct ip_tunnel_info * : ((const void *)((info) + 1)),\
>  +		 struct ip_tunnel_info * : ((void *)((info) + 1))\
>  +	)
>  +
>   struct ip_tunnel_info {
>   	struct ip_tunnel_key	key;
> + 	struct ip_tunnel_encap	encap;
>   #ifdef CONFIG_DST_CACHE
>   	struct dst_cache	dst_cache;
>   #endif

This looks good to me. Thanks much.