CC Dragos. Does one of you want to post a MAINTAINERS patch btw? ----- Forwarded message from kernel test robot <lkp@xxxxxxxxx> ----- From: kernel test robot <lkp@xxxxxxxxx> Date: Sun, 23 Apr 2023 07:29:38 +0800 To: Eli Cohen <elic@xxxxxxxxxx> Cc: llvm@xxxxxxxxxxxxxxx, oe-kbuild-all@xxxxxxxxxxxxxxx, Linux Memory Management List <linux-mm@xxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Saeed Mahameed <saeedm@xxxxxxxxxx> Subject: [linux-next:master 13449/13717] drivers/vdpa/mlx5/net/mlx5_vnet.c:2896:3: error: implicit declaration of function 'mlx5_msix_free' is invalid in C99 Message-ID: <202304230755.9jjF6ZJr-lkp@xxxxxxxxx> tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d3e1ee0e67e7603d36f4fa2fec6b881c01aabe89 commit: b9ca712f33f59e977592cb639c2e00a02f45a146 [13449/13717] vdpa/mlx5: Support interrupt bypassing config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20230423/202304230755.9jjF6ZJr-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=b9ca712f33f59e977592cb639c2e00a02f45a146 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout b9ca712f33f59e977592cb639c2e00a02f45a146 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/xen/ drivers/power/supply/ drivers/vdpa/mlx5/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304230755.9jjF6ZJr-lkp@xxxxxxxxx/ Note: the linux-next/master HEAD d3e1ee0e67e7603d36f4fa2fec6b881c01aabe89 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>): >> drivers/vdpa/mlx5/net/mlx5_vnet.c:2896:3: error: implicit declaration of function 'mlx5_msix_free' is invalid in C99 [-Werror,-Wimplicit-function-declaration] mlx5_msix_free(ndev->mvdev.mdev, ent->map); ^ drivers/vdpa/mlx5/net/mlx5_vnet.c:2896:3: note: did you mean 'mlx5_db_free'? include/linux/mlx5/driver.h:1083:6: note: 'mlx5_db_free' declared here void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); ^ >> drivers/vdpa/mlx5/net/mlx5_vnet.c:3259:14: error: implicit declaration of function 'mlx5_msix_alloc' is invalid in C99 [-Werror,-Wimplicit-function-declaration] ent->map = mlx5_msix_alloc(ndev->mvdev.mdev, int_handler, NULL, ent->name); ^ drivers/vdpa/mlx5/net/mlx5_vnet.c:3259:14: note: did you mean 'mlx5_db_alloc'? include/linux/mlx5/driver.h:1078:19: note: 'mlx5_db_alloc' declared here static inline int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db) ^ >> drivers/vdpa/mlx5/net/mlx5_vnet.c:3259:12: error: assigning to 'struct msi_map' from incompatible type 'int' ent->map = mlx5_msix_alloc(ndev->mvdev.mdev, int_handler, NULL, ent->name); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 3 errors generated. vim +/mlx5_msix_free +2896 drivers/vdpa/mlx5/net/mlx5_vnet.c 2885 2886 static void free_irqs(struct mlx5_vdpa_net *ndev) 2887 { 2888 struct mlx5_vdpa_irq_pool_entry *ent; 2889 int i; 2890 2891 if (!msix_mode_supported(&ndev->mvdev)) 2892 return; 2893 2894 for (i = ndev->irqp.num_ent - 1; i >= 0; i--) { 2895 ent = ndev->irqp.entries + i; > 2896 mlx5_msix_free(ndev->mvdev.mdev, ent->map); 2897 } 2898 kfree(ndev->irqp.entries); 2899 } 2900 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests ----- End forwarded message -----