Messages in this thread | | | Date | Fri, 8 Oct 2021 05:40:28 +0800 | From | kernel test robot <> | Subject | [axboe-block:nvme-passthru-wip 12/19] include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git nvme-passthru-wip head: 9c18980ac90053bcdb21594eae48935d89bf389c commit: 069d94370113e6543d01ae4af5646cdabc0c5a02 [12/19] io_uring: add helper for fixed-buffer uring-cmd config: sparc-buildonly-randconfig-r006-20211007 (attached as .config) compiler: sparc-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://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=069d94370113e6543d01ae4af5646cdabc0c5a02 git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git git fetch --no-tags axboe-block nvme-passthru-wip git checkout 069d94370113e6543d01ae4af5646cdabc0c5a02 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sparc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from kernel/fork.c:98: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/fork.c:162:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes] 162 | void __weak arch_release_task_struct(struct task_struct *tsk) | ^~~~~~~~~~~~~~~~~~~~~~~~ kernel/fork.c:764:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes] 764 | void __init __weak arch_task_cache_init(void) { } | ^~~~~~~~~~~~~~~~~~~~ kernel/fork.c:859:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes] 859 | int __weak arch_dup_task_struct(struct task_struct *dst, | ^~~~~~~~~~~~~~~~~~~~ -- In file included from kernel/exit.c:66: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~ kernel/exit.c:1810:13: warning: no previous prototype for 'abort' [-Wmissing-prototypes] 1810 | __weak void abort(void) | ^~~~~ -- In file included from drivers/nvme/host/nvme.h:19, from drivers/nvme/host/core.c:25: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/core.c:3596:10: error: 'const struct file_operations' has no member named 'uring_cmd' 3596 | .uring_cmd = nvme_ns_chr_async_ioctl, | ^~~~~~~~~ drivers/nvme/host/core.c:3596:27: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init] 3596 | .uring_cmd = nvme_ns_chr_async_ioctl, | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/core.c:3596:27: note: (near initialization for 'nvme_ns_chr_fops') drivers/nvme/host/core.c:3596:27: error: initialization of 'int (*)(struct file *, struct vm_area_struct *)' from incompatible pointer type 'int (*)(struct io_uring_cmd *, enum io_uring_cmd_flags)' [-Werror=incompatible-pointer-types] drivers/nvme/host/core.c:3596:27: note: (near initialization for 'nvme_ns_chr_fops.mmap') cc1: some warnings being treated as errors -- In file included from drivers/nvme/host/nvme.h:19, from drivers/nvme/host/ioctl.c:8: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/ioctl.c: In function 'nvme_pt_task_cb': drivers/nvme/host/ioctl.c:47:19: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 47 | ptcmd64 = (void __user *) bcmd->unused2[0]; | ^ drivers/nvme/host/ioctl.c:62:58: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 62 | struct nvme_passthru_cmd __user *ptcmd = (void *)bcmd->unused2[0]; | ^ drivers/nvme/host/ioctl.c: In function 'nvme_ns_async_ioctl': drivers/nvme/host/ioctl.c:472:29: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 472 | void __user *argp = (void __user *) bcmd->unused2[0]; | ^ -- In file included from drivers/nvme/host/nvme.h:19, from drivers/nvme/host/multipath.c:9: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/multipath.c:421:10: error: 'const struct file_operations' has no member named 'uring_cmd' 421 | .uring_cmd = nvme_ns_head_chr_async_ioctl, | ^~~~~~~~~ drivers/nvme/host/multipath.c:421:27: error: positional initialization of field in 'struct' declared with 'designated_init' attribute [-Werror=designated-init] 421 | .uring_cmd = nvme_ns_head_chr_async_ioctl, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/multipath.c:421:27: note: (near initialization for 'nvme_ns_head_chr_fops') drivers/nvme/host/multipath.c:421:27: error: initialization of 'int (*)(struct file *, struct vm_area_struct *)' from incompatible pointer type 'int (*)(struct io_uring_cmd *, enum io_uring_cmd_flags)' [-Werror=incompatible-pointer-types] drivers/nvme/host/multipath.c:421:27: note: (near initialization for 'nvme_ns_head_chr_fops.mmap') cc1: some warnings being treated as errors -- In file included from drivers/nvme/host/nvme.h:19, from drivers/nvme/host/zns.c:8: >> include/linux/io_uring.h:55:5: warning: no previous prototype for 'io_uring_cmd_import_fixed' [-Wmissing-prototypes] 55 | int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, | ^~~~~~~~~~~~~~~~~~~~~~~~~
vim +/io_uring_cmd_import_fixed +55 include/linux/io_uring.h
31 32 static inline void io_uring_files_cancel(void) 33 { 34 if (current->io_uring) 35 __io_uring_cancel(false); 36 } 37 static inline void io_uring_task_cancel(void) 38 { 39 if (current->io_uring) 40 __io_uring_cancel(true); 41 } 42 static inline void io_uring_free(struct task_struct *tsk) 43 { 44 if (tsk->io_uring) 45 __io_uring_free(tsk); 46 } 47 #else 48 static inline void io_uring_cmd_done(struct io_uring_cmd *cmd, ssize_t ret) 49 { 50 } 51 static inline void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd, 52 void (*driver_cb)(struct io_uring_cmd *)) 53 { 54 } > 55 int io_uring_cmd_import_fixed(void *ubuf, unsigned long len, 56 int rw, struct iov_iter *iter, void *ioucmd) 57 { 58 return -1; 59 } 60 static inline struct sock *io_uring_get_socket(struct file *file) 61 { 62 return NULL; 63 } 64 static inline void io_uring_task_cancel(void) 65 { 66 } 67 static inline void io_uring_files_cancel(void) 68 { 69 } 70 static inline void io_uring_free(struct task_struct *tsk) 71 { 72 } 73 #endif 74
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