Hi Tony, I love your patch! Perhaps something to improve: [auto build test WARNING on s390/features] [also build test WARNING on linus/master kvms390/next linux/master v5.9 next-20201022] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Tony-Krowiak/s390-vfio-ap-dynamic-configuration-support/20201023-011543 base: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features 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 # https://github.com/0day-ci/linux/commit/aea9ab29b77facc3bb09415ebe464fd6a22ec22e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tony-Krowiak/s390-vfio-ap-dynamic-configuration-support/20201023-011543 git checkout aea9ab29b77facc3bb09415ebe464fd6a22ec22e # 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 >>): drivers/s390/crypto/vfio_ap_ops.c:1370:5: warning: no previous prototype for 'vfio_ap_mdev_reset_queue' [-Wmissing-prototypes] 1370 | int vfio_ap_mdev_reset_queue(unsigned int apid, unsigned int apqi, | ^~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/s390/crypto/vfio_ap_ops.c:1617:6: warning: no previous prototype for 'vfio_ap_mdev_hot_unplug_queue' [-Wmissing-prototypes] 1617 | void vfio_ap_mdev_hot_unplug_queue(struct vfio_ap_queue *q) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/vfio_ap_mdev_hot_unplug_queue +1617 drivers/s390/crypto/vfio_ap_ops.c 1616 > 1617 void vfio_ap_mdev_hot_unplug_queue(struct vfio_ap_queue *q) 1618 { 1619 unsigned long apid = AP_QID_CARD(q->apqn); 1620 1621 if ((q->matrix_mdev == NULL) || !vfio_ap_mdev_has_crycb(q->matrix_mdev)) 1622 return; 1623 1624 /* 1625 * If the APID is assigned to the guest, then let's 1626 * go ahead and unplug the adapter since the 1627 * architecture does not provide a means to unplug 1628 * an individual queue. 1629 */ 1630 if (test_bit_inv(apid, q->matrix_mdev->shadow_apcb.apm)) { 1631 clear_bit_inv(apid, q->matrix_mdev->shadow_apcb.apm); 1632 1633 if (bitmap_empty(q->matrix_mdev->shadow_apcb.apm, AP_DEVICES)) 1634 bitmap_clear(q->matrix_mdev->shadow_apcb.aqm, 0, 1635 AP_DOMAINS); 1636 1637 vfio_ap_mdev_commit_shadow_apcb(q->matrix_mdev); 1638 } 1639 } 1640 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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