linux-kernel - Re: [PATCH net-next 1/8] vhost: move get_rx

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Message-ID: <7183970a-4b1f-6322-2516-ea252375fe47@redhat.com>
Date:   Wed, 4 Jul 2018 11:28:28 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, mst@...hat.com, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, wexu@...hat.com, tiwei.bie@...el.com,
        maxime.coquelin@...hat.com, jfreimann@...hat.com
Subject: Re: [PATCH net-next 1/8] vhost: move get_rx_bufs to vhost.c



On 2018年07月04日 09:01, kbuild test robot wrote:
> Hi Jason,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on net-next/master]
>
> url:https://github.com/0day-ci/linux/commits/Jason-Wang/Packed-virtqueue-for-vhost/20180703-154751
> config: x86_64-randconfig-s0-07032254 (attached as .config)
> compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
> reproduce:
>          # save the attached .config to linux build tree
>          make ARCH=x86_64
>
> Note: the linux-review/Jason-Wang/Packed-virtqueue-for-vhost/20180703-154751 HEAD 01b902f1126212ea2597e6d09802bd9c4431bf82 builds fine.
>        It only hurts bisectibility.
>
> All errors (new ones prefixed by >>):
>
>     drivers//vhost/net.c: In function 'handle_rx':
>>> drivers//vhost/net.c:738:15: error: implicit declaration of function 'get_rx_bufs' [-Werror=implicit-function-declaration]
>        headcount = get_rx_bufs(vq, vq->heads + nvq->done_idx,
>                    ^~~~~~~~~~~
>     cc1: some warnings being treated as errors
>
> vim +/get_rx_bufs +738 drivers//vhost/net.c

My bad, forget to do one by one compling test.

Will post V2.

Thanks