Hi Jeff, kernel test robot noticed the following build errors: [auto build test ERROR on 80a1bea0cd81de70c56b37a8292c23d57419776f] url: https://github.com/intel-lab-lkp/linux/commits/Jeff-Layton/sunrpc-remove-dfprintk_cont-and-dfprintk_rcu_cont/20250822-011902 base: 80a1bea0cd81de70c56b37a8292c23d57419776f patch link: https://lore.kernel.org/r/20250821-nfs-testing-v1-2-f06099963eda%40kernel.org patch subject: [PATCH 2/2] sunrpc: add a Kconfig option to redirect dfprintk() output to trace buffer config: parisc-randconfig-001-20250822 (https://download.01.org/0day-ci/archive/20250822/202508221433.vcMr9C38-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 9.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250822/202508221433.vcMr9C38-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202508221433.vcMr9C38-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/proc.c:39: fs/nfs/proc.c: In function 'nfs_proc_get_root': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/proc.c:66:2: note: in expansion of macro 'dprintk' 66 | dprintk("%s: call getattr\n", __func__); | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/nfs2xdr.c:21: fs/nfs/nfs2xdr.c: In function 'decode_nfsdata': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/nfs2xdr.c:110:2: note: in expansion of macro 'dprintk' 110 | dprintk("NFS: server cheating in read result: " | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from fs/nfs/unlink.c:12: fs/nfs/unlink.c: In function 'nfs_sillyrename': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ fs/nfs/unlink.c:453:2: note: in expansion of macro 'dfprintk' 453 | dfprintk(VFS, "NFS: silly-rename(%pd2, ct=%d)\n", | ^~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/nfs_fs.h:30, from fs/nfs/direct.c:52: fs/nfs/direct.c: In function 'nfs_file_direct_read': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ fs/nfs/direct.c:444:2: note: in expansion of macro 'dfprintk' 444 | dfprintk(FILE, "NFS: direct read(%pD2, %zd@%Ld)\n", | ^~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/auth.h:13, from include/linux/nfs.h:12, from fs/nfs/export.c:9: fs/nfs/export.c: In function 'nfs_encode_fh': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/export.c:42:2: note: in expansion of macro 'dprintk' 42 | dprintk("%s: max fh len %d inode %p parent %p", | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/super.c:34: fs/nfs/super.c: In function 'nfs_statfs': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/super.c:310:2: note: in expansion of macro 'dprintk' 310 | dprintk("%s: statfs error = %d\n", __func__, -error); | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/inode.c:27: fs/nfs/inode.c: In function 'nfs_ilookup': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/inode.c:425:2: note: in expansion of macro 'dprintk' 425 | dprintk("%s: returning %p\n", __func__, inode); | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/mount_clnt.c:15: fs/nfs/mount_clnt.c: In function 'nfs_mount': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/mount_clnt.c:168:2: note: in expansion of macro 'dprintk' 168 | dprintk("NFS: sending MNT request for %s:%s\n", | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/nfs_fs.h:30, from fs/nfs/fs_context.c:18: fs/nfs/fs_context.c: In function 'nfs_validate_transport_protocol': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/internal.h:175:5: note: in expansion of macro 'dprintk' 175 | ({ dprintk(fmt "\n", ## __VA_ARGS__); -EINVAL; })) | ^~~~~~~ fs/nfs/fs_context.c:388:9: note: in expansion of macro 'nfs_invalf' 388 | return nfs_invalf(fc, "NFS: Unsupported transport protocol udp"); | ^~~~~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/nfs_fs.h:30, from fs/nfs/file.c:26: fs/nfs/file.c: In function 'nfs_file_open': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/file.c:66:2: note: in expansion of macro 'dprintk' 66 | dprintk("NFS: open file(%pD2)\n", filp); | ^~~~~~~ cc1: some warnings being treated as errors -- In file included from include/linux/sunrpc/types.h:16, from include/linux/sunrpc/sched.h:15, from include/linux/sunrpc/clnt.h:20, from fs/nfs/write.c:19: fs/nfs/write.c: In function 'nfs_update_folio': >> include/linux/sunrpc/debug.h:36:37: error: implicit declaration of function 'pr_default'; did you mean 'pr_devel'? [-Werror=implicit-function-declaration] 36 | # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) | ^~~~~~~~~~ include/linux/sunrpc/debug.h:42:3: note: in expansion of macro '__sunrpc_printk' 42 | __sunrpc_printk(fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~~~~~ include/linux/sunrpc/debug.h:25:2: note: in expansion of macro 'dfprintk' 25 | dfprintk(FACILITY, fmt, ##__VA_ARGS__) | ^~~~~~~~ fs/nfs/write.c:1348:2: note: in expansion of macro 'dprintk' 1348 | dprintk("NFS: nfs_update_folio(%pD2 %d@%lld)\n", file, count, | ^~~~~~~ cc1: some warnings being treated as errors .. vim +36 include/linux/sunrpc/debug.h 32 33 # if IS_ENABLED(CONFIG_SUNRPC_DEBUG_TRACE) 34 # define __sunrpc_printk(fmt, ...) trace_printk(fmt, ##__VA_ARGS__) 35 # else > 36 # define __sunrpc_printk(fmt, ...) pr_default(fmt, ##__VA_ARGS__) 37 # endif 38 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki