Hi Wu, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [also build test ERROR on v5.15-rc3 next-20210922] [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/Wu-Zongyong/virtio-pci-introduce-legacy-device-module/20210929-115033 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a4e6f95a891ac08bd09d62e3e6dae239b150f4c1 config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 11.2.0 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/86ed35603fb93a4bc8c8929ff89edd5f6556ca44 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Wu-Zongyong/virtio-pci-introduce-legacy-device-module/20210929-115033 git checkout 86ed35603fb93a4bc8c8929ff89edd5f6556ca44 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=xtensa If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/vdpa/alibaba/eni_vdpa.c:446:13: error: 'eni_vdpa_free_irq_vectors' defined but not used [-Werror=unused-function] 446 | static void eni_vdpa_free_irq_vectors(void *data) | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/vdpa/alibaba/eni_vdpa.c:423:12: error: 'eni_vdpa_get_num_queues' defined but not used [-Werror=unused-function] 423 | static u16 eni_vdpa_get_num_queues(struct eni_vdpa *eni_vdpa) | ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/vdpa/alibaba/eni_vdpa.c:396:37: error: 'eni_vdpa_ops' defined but not used [-Werror=unused-const-variable=] 396 | static const struct vdpa_config_ops eni_vdpa_ops = { | ^~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/eni_vdpa_free_irq_vectors +446 drivers/vdpa/alibaba/eni_vdpa.c 395 > 396 static const struct vdpa_config_ops eni_vdpa_ops = { 397 .get_features = eni_vdpa_get_features, 398 .set_features = eni_vdpa_set_features, 399 .get_status = eni_vdpa_get_status, 400 .set_status = eni_vdpa_set_status, 401 .reset = eni_vdpa_reset, 402 .get_vq_num_max = eni_vdpa_get_vq_num_max, 403 .get_vq_num_min = eni_vdpa_get_vq_num_min, 404 .get_vq_state = eni_vdpa_get_vq_state, 405 .set_vq_state = eni_vdpa_set_vq_state, 406 .set_vq_cb = eni_vdpa_set_vq_cb, 407 .set_vq_ready = eni_vdpa_set_vq_ready, 408 .get_vq_ready = eni_vdpa_get_vq_ready, 409 .set_vq_num = eni_vdpa_set_vq_num, 410 .set_vq_address = eni_vdpa_set_vq_address, 411 .kick_vq = eni_vdpa_kick_vq, 412 .get_device_id = eni_vdpa_get_device_id, 413 .get_vendor_id = eni_vdpa_get_vendor_id, 414 .get_vq_align = eni_vdpa_get_vq_align, 415 .get_config_size = eni_vdpa_get_config_size, 416 .get_config = eni_vdpa_get_config, 417 .set_config = eni_vdpa_set_config, 418 .set_config_cb = eni_vdpa_set_config_cb, 419 .get_vq_irq = eni_vdpa_get_vq_irq, 420 }; 421 422 > 423 static u16 eni_vdpa_get_num_queues(struct eni_vdpa *eni_vdpa) 424 { 425 struct virtio_pci_legacy_device *ldev = &eni_vdpa->ldev; 426 u32 features = vp_legacy_get_features(ldev); 427 u16 num = 2; 428 429 if (features & BIT_ULL(VIRTIO_NET_F_MQ)) { 430 __virtio16 max_virtqueue_pairs; 431 432 eni_vdpa_get_config(&eni_vdpa->vdpa, 433 offsetof(struct virtio_net_config, max_virtqueue_pairs), 434 &max_virtqueue_pairs, 435 sizeof(max_virtqueue_pairs)); 436 num = 2 * __virtio16_to_cpu(virtio_legacy_is_little_endian(), 437 max_virtqueue_pairs); 438 } 439 440 if (features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)) 441 num += 1; 442 443 return num; 444 } 445 > 446 static void eni_vdpa_free_irq_vectors(void *data) 447 { 448 pci_free_irq_vectors(data); 449 } 450 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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