From: kernel test robot <lkp@intel.com>
To: Bo Liu <liubo03@inspur.com>
Cc: kbuild-all@lists.01.org, kvm@vger.kernel.org,
"Michael S. Tsirkin" <mst@redhat.com>,
netdev@vger.kernel.org, llvm@lists.linux.dev,
virtualization@lists.linux-foundation.org
Subject: [mst-vhost:vhost 62/65] drivers/virtio/virtio_ring.c:1783:9: error: use of undeclared identifier 'vq'
Date: Wed, 1 Jun 2022 04:55:49 +0800 [thread overview]
Message-ID: <202206010444.EGBXgPMJ-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
head: 5e83df49b4993a11b01399f6ce402f775940f965
commit: a50f09346a341984d34ff41f03dbd14dea6f20fe [62/65] virtio_ring: remove unused variable in virtqueue_add()
config: mips-randconfig-c004-20220531 (https://download.01.org/0day-ci/archive/20220601/202206010444.EGBXgPMJ-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?id=a50f09346a341984d34ff41f03dbd14dea6f20fe
git remote add mst-vhost https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git
git fetch --no-tags mst-vhost vhost
git checkout a50f09346a341984d34ff41f03dbd14dea6f20fe
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/virtio/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/virtio/virtio_ring.c:1783:9: error: use of undeclared identifier 'vq'
return vq->packed_ring ? virtqueue_add_packed(_vq, sgs, total_sg,
^
1 error generated.
vim +/vq +1783 drivers/virtio/virtio_ring.c
1ce9e6055fa0a9 Tiwei Bie 2018-11-21 1768
1ce9e6055fa0a9 Tiwei Bie 2018-11-21 1769
e6f633e5beab65 Tiwei Bie 2018-11-21 1770 /*
e6f633e5beab65 Tiwei Bie 2018-11-21 1771 * Generic functions and exported symbols.
e6f633e5beab65 Tiwei Bie 2018-11-21 1772 */
e6f633e5beab65 Tiwei Bie 2018-11-21 1773
e6f633e5beab65 Tiwei Bie 2018-11-21 1774 static inline int virtqueue_add(struct virtqueue *_vq,
e6f633e5beab65 Tiwei Bie 2018-11-21 1775 struct scatterlist *sgs[],
e6f633e5beab65 Tiwei Bie 2018-11-21 1776 unsigned int total_sg,
e6f633e5beab65 Tiwei Bie 2018-11-21 1777 unsigned int out_sgs,
e6f633e5beab65 Tiwei Bie 2018-11-21 1778 unsigned int in_sgs,
e6f633e5beab65 Tiwei Bie 2018-11-21 1779 void *data,
e6f633e5beab65 Tiwei Bie 2018-11-21 1780 void *ctx,
e6f633e5beab65 Tiwei Bie 2018-11-21 1781 gfp_t gfp)
e6f633e5beab65 Tiwei Bie 2018-11-21 1782 {
1ce9e6055fa0a9 Tiwei Bie 2018-11-21 @1783 return vq->packed_ring ? virtqueue_add_packed(_vq, sgs, total_sg,
1ce9e6055fa0a9 Tiwei Bie 2018-11-21 1784 out_sgs, in_sgs, data, ctx, gfp) :
1ce9e6055fa0a9 Tiwei Bie 2018-11-21 1785 virtqueue_add_split(_vq, sgs, total_sg,
e6f633e5beab65 Tiwei Bie 2018-11-21 1786 out_sgs, in_sgs, data, ctx, gfp);
e6f633e5beab65 Tiwei Bie 2018-11-21 1787 }
e6f633e5beab65 Tiwei Bie 2018-11-21 1788
:::::: The code at line 1783 was first introduced by commit
:::::: 1ce9e6055fa0a9043405c5604cf19169ec5379ff virtio_ring: introduce packed ring support
:::::: TO: Tiwei Bie <tiwei.bie@intel.com>
:::::: CC: David S. Miller <davem@davemloft.net>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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