linux-kernel - Re: linux-next: build failure after merge of the net-next tree

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Date:   Sun, 21 May 2017 23:42:37 -0400
From:   Willem de Bruijn <willemdebruijn.kernel@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     David Miller <davem@...emloft.net>,
        Networking <netdev@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        Willem de Bruijn <willemb@...gle.com>
Subject: Re: linux-next: build failure after merge of the net-next tree

On Sun, May 21, 2017 at 9:16 PM, Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> Hi all,
>
> After merging the net-next tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> net/socket.c: In function 'put_ts_pktinfo':
> net/socket.c:695:28: error: 'SCM_TIMESTAMPING_PKTINFO' undeclared (first use in this function)
>   put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING_PKTINFO,
>                             ^
>
> Caused by commit
>
>   aad9c8c470f2 ("net: add new control message for incoming HW-timestamped packets")
>
> This probably broke every architecture that has its own
> arch/<arch>/include/uapi/asm/socket.h that does not include
> include/uapi/asm-generic/socket.h :-(

Indeed. I added the architecture specific versions in patch

  http://patchwork.ozlabs.org/patch/765238/

That fixes the powerpc build for me. The new option is now
defined in every file that also defines the last added such
option SCM_TIMESTAMPING_OPT_STATS. Apologies for
missing this earlier.