linux-kernel - Re: [PATCH 5/5] vdpasim: vDPA device simulator

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Date:   Sun, 19 Jan 2020 02:18:50 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     kbuild-all@...ts.01.org, mst@...hat.com, jasowang@...hat.com,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        tiwei.bie@...el.com, jgg@...lanox.com, maxime.coquelin@...hat.com,
        cunming.liang@...el.com, zhihong.wang@...el.com,
        rob.miller@...adcom.com, xiao.w.wang@...el.com,
        haotian.wang@...ive.com, lingshan.zhu@...el.com,
        eperezma@...hat.com, lulu@...hat.com, parav@...lanox.com,
        kevin.tian@...el.com, stefanha@...hat.com, rdunlap@...radead.org,
        hch@...radead.org, aadam@...hat.com, jakub.kicinski@...ronome.com,
        jiri@...lanox.com, shahafs@...lanox.com, hanand@...inx.com,
        mhabets@...arflare.com
Subject: Re: [PATCH 5/5] vdpasim: vDPA device simulator

Hi Jason,

I love your patch! Yet something to improve:

[auto build test ERROR on vhost/linux-next]
[also build test ERROR on linux/master linus/master v5.5-rc6 next-20200117]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Jason-Wang/vDPA-support/20200117-170243
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: m68k-allmodconfig (attached as .config)
compiler: m68k-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=m68k 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

   drivers/virtio/vdpa/vdpa_sim.c: In function 'vdpasim_queue_ready':
>> drivers/virtio/vdpa/vdpa_sim.c:101:19: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
               false, (struct vring_desc *)vq->desc_addr,
                      ^
   drivers/virtio/vdpa/vdpa_sim.c:102:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
        (struct vring_avail *)vq->driver_addr,
        ^
   drivers/virtio/vdpa/vdpa_sim.c:103:5: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
        (struct vring_used *)vq->device_addr);
        ^
--
>> ERROR: "vhost_iotlb_free" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_alloc" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_itree_next" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_itree_first" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_reset" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_add_range" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!
>> ERROR: "vhost_iotlb_del_range" [drivers/virtio//vdpa/vdpa_sim.ko] undefined!

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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