Re: [PATCH v8 09/16] s390/vfio_ap: add qlink from ap_matrix_mdev struct to vfio_ap_queue struct

From: kernel test robot
Date: Fri Jun 05 2020 - 22:51:44 EST


Hi Tony,

I love your patch! Perhaps something to improve:

[auto build test WARNING on kvms390/next]
[also build test WARNING on linus/master v5.7]
[cannot apply to s390/features linux/master next-20200605]
[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/Tony-Krowiak/s390-vfio-ap-dynamic-configuration-support/20200606-054350
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git next
config: s390-allyesconfig (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/s390/crypto/vfio_ap_ops.c:53:23: warning: no previous prototype for 'vfio_ap_get_mdev_queue' [-Wmissing-prototypes]
53 | struct vfio_ap_queue *vfio_ap_get_mdev_queue(struct ap_matrix_mdev *matrix_mdev,
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/s390/crypto/vfio_ap_ops.c:143:24: warning: no previous prototype for 'vfio_ap_irq_disable' [-Wmissing-prototypes]
143 | struct ap_queue_status vfio_ap_irq_disable(struct vfio_ap_queue *q)
| ^~~~~~~~~~~~~~~~~~~
drivers/s390/crypto/vfio_ap_ops.c:1453:5: warning: no previous prototype for 'vfio_ap_mdev_reset_queue' [-Wmissing-prototypes]
1453 | int vfio_ap_mdev_reset_queue(unsigned int apid, unsigned int apqi,
| ^~~~~~~~~~~~~~~~~~~~~~~~

vim +/vfio_ap_get_mdev_queue +53 drivers/s390/crypto/vfio_ap_ops.c

52
> 53 struct vfio_ap_queue *vfio_ap_get_mdev_queue(struct ap_matrix_mdev *matrix_mdev,
54 unsigned long apqn)
55 {
56 struct vfio_ap_queue *q;
57
58 hash_for_each_possible(matrix_mdev->qtable, q, mdev_qnode, apqn) {
59 if (q && (q->apqn == apqn))
60 return q;
61 }
62
63 return NULL;
64 }
65

---
0-DAY CI Kernel Test Service, Intel Corporation
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