tree: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git wip/jgg-for-next head: c200e6a625c01880074a0c8137361dd8a927fbb4 commit: 4f9e1c0814f9ca8002820d4f7a38d0992add454e [89/95] RDMA/umem: Allow pinned dmabuf umem usage config: riscv-randconfig-r012-20211028 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 5db7568a6a1fcb408eb8988abdaff2a225a8eb72) 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 riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git/commit/?id=4f9e1c0814f9ca8002820d4f7a38d0992add454e git remote add rdma https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git git fetch --no-tags rdma wip/jgg-for-next git checkout 4f9e1c0814f9ca8002820d4f7a38d0992add454e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/infiniband/core/nldev.c:44: In file included from drivers/infiniband/core/uverbs.h:47: >> include/rdma/ib_umem.h:187:24: warning: no previous prototype for function 'ib_umem_dmabuf_get_pinned' [-Wmissing-prototypes] struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, ^ include/rdma/ib_umem.h:187:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, ^ static drivers/infiniband/core/nldev.c:2543:1: warning: unused function '__chk_RDMA_NL_NLDEV' [-Wunused-function] MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5); ^ include/rdma/rdma_netlink.h:33:21: note: expanded from macro 'MODULE_ALIAS_RDMA_NETLINK' static inline void __chk_##_index(void) \ ^ <scratch space>:201:1: note: expanded from here __chk_RDMA_NL_NLDEV ^ 2 warnings generated. -- In file included from drivers/infiniband/core/ib_core_uverbs.c:8: In file included from drivers/infiniband/core/uverbs.h:47: >> include/rdma/ib_umem.h:187:24: warning: no previous prototype for function 'ib_umem_dmabuf_get_pinned' [-Wmissing-prototypes] struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, ^ include/rdma/ib_umem.h:187:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, ^ static 1 warning generated. vim +/ib_umem_dmabuf_get_pinned +187 include/rdma/ib_umem.h 154 155 static inline struct ib_umem *ib_umem_get(struct ib_device *device, 156 unsigned long addr, size_t size, 157 int access) 158 { 159 return ERR_PTR(-EOPNOTSUPP); 160 } 161 static inline void ib_umem_release(struct ib_umem *umem) { } 162 static inline int ib_umem_copy_from(void *dst, struct ib_umem *umem, size_t offset, 163 size_t length) { 164 return -EOPNOTSUPP; 165 } 166 static inline unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, 167 unsigned long pgsz_bitmap, 168 unsigned long virt) 169 { 170 return 0; 171 } 172 static inline unsigned long ib_umem_find_best_pgoff(struct ib_umem *umem, 173 unsigned long pgsz_bitmap, 174 u64 pgoff_bitmask) 175 { 176 return 0; 177 } 178 static inline 179 struct ib_umem_dmabuf *ib_umem_dmabuf_get(struct ib_device *device, 180 unsigned long offset, 181 size_t size, int fd, 182 int access, 183 struct dma_buf_attach_ops *ops) 184 { 185 return ERR_PTR(-EOPNOTSUPP); 186 } > 187 struct ib_umem_dmabuf *ib_umem_dmabuf_get_pinned(struct ib_device *device, 188 unsigned long offset, 189 size_t size, int fd, 190 int access) 191 { 192 return ERR_PTR(-EOPNOTSUPP); 193 } 194 static inline int ib_umem_dmabuf_map_pages(struct ib_umem_dmabuf *umem_dmabuf) 195 { 196 return -EOPNOTSUPP; 197 } 198 static inline void ib_umem_dmabuf_unmap_pages(struct ib_umem_dmabuf *umem_dmabuf) { } 199 static inline void ib_umem_dmabuf_release(struct ib_umem_dmabuf *umem_dmabuf) { } 200 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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