Hi YiFei, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20201009] [cannot apply to tip/x86/core tip/master linux/master linus/master v5.9-rc8 v5.9-rc7 v5.9-rc6 v5.9-rc8] [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/YiFei-Zhu/seccomp-Add-bitmap-cache-of-constant-allow-filter-results/20201010-013933 base: d67bc7812221606e1886620a357b13f906814af7 config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 9.3.0 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/a1a1697444ceecfb62796ccd5ba42057c82bd295 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review YiFei-Zhu/seccomp-Add-bitmap-cache-of-constant-allow-filter-results/20201010-013933 git checkout a1a1697444ceecfb62796ccd5ba42057c82bd295 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=xtensa 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 include/linux/sched.h:22, from include/linux/ptrace.h:6, from arch/xtensa/kernel/asm-offsets.c:21: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ -- In file included from include/linux/sched.h:22, from include/linux/uaccess.h:8, from fs/proc/base.c:51: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ fs/proc/base.c:3261:32: error: initialization of 'int (*)(struct seq_file *, struct pid_namespace *, struct pid *, struct task_struct *)' from incompatible pointer type 'int (*)(struct seq_file *, struct pid_namespace *, struct pid *, struct task_struct *)' [-Werror=incompatible-pointer-types] 3261 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~~~~~~~~~~~~~~~~~~~~ fs/proc/base.c:133:10: note: in definition of macro 'NOD' 133 | .op = OP, \ | ^~ fs/proc/base.c:3261:2: note: in expansion of macro 'ONE' 3261 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~ fs/proc/base.c:3261:32: note: (near initialization for 'tgid_base_stuff[51].op.proc_show') 3261 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~~~~~~~~~~~~~~~~~~~~ fs/proc/base.c:133:10: note: in definition of macro 'NOD' 133 | .op = OP, \ | ^~ fs/proc/base.c:3261:2: note: in expansion of macro 'ONE' 3261 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~ fs/proc/base.c:3593:32: error: initialization of 'int (*)(struct seq_file *, struct pid_namespace *, struct pid *, struct task_struct *)' from incompatible pointer type 'int (*)(struct seq_file *, struct pid_namespace *, struct pid *, struct task_struct *)' [-Werror=incompatible-pointer-types] 3593 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~~~~~~~~~~~~~~~~~~~~ fs/proc/base.c:133:10: note: in definition of macro 'NOD' 133 | .op = OP, \ | ^~ fs/proc/base.c:3593:2: note: in expansion of macro 'ONE' 3593 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~ fs/proc/base.c:3593:32: note: (near initialization for 'tid_base_stuff[45].op.proc_show') 3593 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~~~~~~~~~~~~~~~~~~~~ fs/proc/base.c:133:10: note: in definition of macro 'NOD' 133 | .op = OP, \ | ^~ fs/proc/base.c:3593:2: note: in expansion of macro 'ONE' 3593 | ONE("seccomp_cache", S_IRUSR, proc_pid_seccomp_cache), | ^~~ cc1: some warnings being treated as errors -- In file included from include/linux/sched.h:22, from include/linux/blkdev.h:5, from fs/hfsplus/inode.c:12: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ fs/hfsplus/inode.c: In function 'hfsplus_cat_read_inode': fs/hfsplus/inode.c:501:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 501 | /* panic? */; | ^ fs/hfsplus/inode.c:522:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 522 | /* panic? */; | ^ fs/hfsplus/inode.c: In function 'hfsplus_cat_write_inode': fs/hfsplus/inode.c:580:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 580 | /* panic? */; | ^ fs/hfsplus/inode.c:606:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 606 | /* panic? */; | ^ -- In file included from include/linux/sched.h:22, from include/linux/mm.h:32, from include/linux/pagemap.h:8, from fs/hfs/inode.c:14: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ fs/hfs/inode.c: In function 'hfs_write_inode': fs/hfs/inode.c:464:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 464 | /* panic? */; | ^ fs/hfs/inode.c:485:16: warning: suggest braces around empty body in an 'if' statement [-Wempty-body] 485 | /* panic? */; | ^ -- In file included from include/linux/sched.h:22, from include/linux/mm.h:32, from include/linux/pagemap.h:8, from fs/efs/symlink.c:11: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ In file included from fs/efs/symlink.c:13: fs/efs/efs.h:22:19: warning: 'cprt' defined but not used [-Wunused-const-variable=] 22 | static const char cprt[] = "EFS: "EFS_VERSION" - (c) 1999 Al Smith <Al.Smith@xxxxxxxxxxxxxxxx>"; | ^~~~ -- In file included from include/linux/sched.h:22, from fs/jffs2/nodelist.c:15: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ fs/jffs2/nodelist.c: In function 'jffs2_add_frag_to_fragtree': fs/jffs2/nodelist.c:255:37: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 255 | this->ofs, this->ofs + this->size); | ^ fs/jffs2/nodelist.c:278:38: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 278 | this->ofs, this->ofs+this->size); | ^ fs/jffs2/nodelist.c: In function 'jffs2_lookup_node_frag': fs/jffs2/nodelist.c:558:52: warning: suggest braces around empty body in an 'else' statement [-Wempty-body] 558 | dbg_fragtree2("returning NULL, empty fragtree\n"); | ^ -- In file included from include/linux/sched.h:22, from include/linux/mm.h:32, from include/linux/bvec.h:14, from fs/orangefs/inode.c:13: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ In file included from fs/orangefs/protocol.h:287, from fs/orangefs/inode.c:14: fs/orangefs/orangefs-debug.h:86:18: warning: 'num_kmod_keyword_mask_map' defined but not used [-Wunused-const-variable=] 86 | static const int num_kmod_keyword_mask_map = (int) | ^~~~~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/sched.h:22, from fs/btrfs/extent-tree.c:6: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ In file included from include/linux/printk.h:7, from include/linux/kernel.h:16, from include/asm-generic/bug.h:20, from ./arch/xtensa/include/generated/asm/bug.h:1, from include/linux/bug.h:5, from include/linux/thread_info.h:12, from arch/xtensa/include/asm/current.h:18, from include/linux/sched.h:12, from fs/btrfs/extent-tree.c:6: fs/btrfs/extent-tree.c: In function '__btrfs_free_extent': include/linux/kern_levels.h:5:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 8 has type 'unsigned int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:10:19: note: in expansion of macro 'KERN_SOH' 10 | #define KERN_CRIT KERN_SOH "2" /* critical conditions */ | ^~~~~~~~ fs/btrfs/ctree.h:3148:24: note: in expansion of macro 'KERN_CRIT' 3148 | btrfs_printk(fs_info, KERN_CRIT fmt, ##args) | ^~~~~~~~~ fs/btrfs/extent-tree.c:3187:4: note: in expansion of macro 'btrfs_crit' 3187 | btrfs_crit(info, | ^~~~~~~~~~ fs/btrfs/extent-tree.c:3188:83: note: format string is defined here 3188 | "invalid extent item size for key (%llu, %u, %llu) owner %llu, has %u expect >= %lu", | ~~^ | | | long unsigned int | %u -- In file included from include/linux/sched.h:22, from include/linux/ptrace.h:6, from arch/xtensa/kernel/asm-offsets.c:21: >> include/linux/seccomp.h:126:35: warning: 'struct seq_file' declared inside parameter list will not be visible outside of this definition or declaration 126 | int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, | ^~~~~~~~ vim +126 include/linux/seccomp.h 124 125 #ifdef CONFIG_SECCOMP_CACHE_DEBUG > 126 int proc_pid_seccomp_cache(struct seq_file *m, struct pid_namespace *ns, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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