tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git randconfig-v5.12 head: fd21c2581b744639b5207c11651ab40abf13701a commit: c43a5a05c0cd6cc79fa4cf9400d94faf4f663b6f [323/597] fixup warnings config: sparc64-randconfig-r023-20210318 (attached as .config) compiler: sparc64-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://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commi... git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git git fetch --no-tags arnd-playground randconfig-v5.12 git checkout c43a5a05c0cd6cc79fa4cf9400d94faf4f663b6f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/hwtracing/stm/core.c:15: 619 | struct compat_stat __user *statbuf, | ^~~~~~~~~~~ include/linux/compat.h:622:16: warning: 'struct compat_stat' declared inside parameter list will not be visible outside of this definition or declaration 622 | struct compat_stat __user *statbuf); | ^~~~~~~~~~~ include/linux/compat.h:837:15: warning: 'struct compat_stat' declared inside parameter list will not be visible outside of this definition or declaration 837 | struct compat_stat __user *statbuf); | ^~~~~~~~~~~ include/linux/compat.h:839:16: warning: 'struct compat_stat' declared inside parameter list will not be visible outside of this definition or declaration 839 | struct compat_stat __user *statbuf); | ^~~~~~~~~~~ vim +619 include/linux/compat.h c679a08983db7c1 Dominik Brodowski 2018-03-25 582 c679a08983db7c1 Dominik Brodowski 2018-03-25 583 /* fs/sendfile.c */ c679a08983db7c1 Dominik Brodowski 2018-03-25 584 asmlinkage long compat_sys_sendfile(int out_fd, int in_fd, c679a08983db7c1 Dominik Brodowski 2018-03-25 585 compat_off_t __user *offset, compat_size_t count); c679a08983db7c1 Dominik Brodowski 2018-03-25 586 asmlinkage long compat_sys_sendfile64(int out_fd, int in_fd, c679a08983db7c1 Dominik Brodowski 2018-03-25 587 compat_loff_t __user *offset, compat_size_t count); c679a08983db7c1 Dominik Brodowski 2018-03-25 588 c679a08983db7c1 Dominik Brodowski 2018-03-25 589 /* fs/select.c */ 8dabe7245bbc134 Arnd Bergmann 2019-01-07 590 asmlinkage long compat_sys_pselect6_time32(int n, compat_ulong_t __user *inp, be84cb43833ee40 Chris Metcalf 2011-05-09 591 compat_ulong_t __user *outp, be84cb43833ee40 Chris Metcalf 2011-05-09 592 compat_ulong_t __user *exp, 9afc5eee65ca7d7 Arnd Bergmann 2018-07-13 593 struct old_timespec32 __user *tsp, be84cb43833ee40 Chris Metcalf 2011-05-09 594 void __user *sig); e024707bccae15a Deepa Dinamani 2018-09-19 595 asmlinkage long compat_sys_pselect6_time64(int n, compat_ulong_t __user *inp, e024707bccae15a Deepa Dinamani 2018-09-19 596 compat_ulong_t __user *outp, e024707bccae15a Deepa Dinamani 2018-09-19 597 compat_ulong_t __user *exp, e024707bccae15a Deepa Dinamani 2018-09-19 598 struct __kernel_timespec __user *tsp, e024707bccae15a Deepa Dinamani 2018-09-19 599 void __user *sig); 8dabe7245bbc134 Arnd Bergmann 2019-01-07 600 asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds, be84cb43833ee40 Chris Metcalf 2011-05-09 601 unsigned int nfds, 9afc5eee65ca7d7 Arnd Bergmann 2018-07-13 602 struct old_timespec32 __user *tsp, be84cb43833ee40 Chris Metcalf 2011-05-09 603 const compat_sigset_t __user *sigmask, be84cb43833ee40 Chris Metcalf 2011-05-09 604 compat_size_t sigsetsize); 8bd27a3004e80d3 Deepa Dinamani 2018-09-19 605 asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds, 8bd27a3004e80d3 Deepa Dinamani 2018-09-19 606 unsigned int nfds, 8bd27a3004e80d3 Deepa Dinamani 2018-09-19 607 struct __kernel_timespec __user *tsp, 8bd27a3004e80d3 Deepa Dinamani 2018-09-19 608 const compat_sigset_t __user *sigmask, 8bd27a3004e80d3 Deepa Dinamani 2018-09-19 609 compat_size_t sigsetsize); c679a08983db7c1 Dominik Brodowski 2018-03-25 610 c679a08983db7c1 Dominik Brodowski 2018-03-25 611 /* fs/signalfd.c */ be84cb43833ee40 Chris Metcalf 2011-05-09 612 asmlinkage long compat_sys_signalfd4(int ufd, be84cb43833ee40 Chris Metcalf 2011-05-09 613 const compat_sigset_t __user *sigmask, be84cb43833ee40 Chris Metcalf 2011-05-09 614 compat_size_t sigsetsize, int flags); be84cb43833ee40 Chris Metcalf 2011-05-09 615 c679a08983db7c1 Dominik Brodowski 2018-03-25 616 /* fs/stat.c */ c679a08983db7c1 Dominik Brodowski 2018-03-25 617 asmlinkage long compat_sys_newfstatat(unsigned int dfd, c679a08983db7c1 Dominik Brodowski 2018-03-25 618 const char __user *filename, c679a08983db7c1 Dominik Brodowski 2018-03-25 @619 struct compat_stat __user *statbuf, c679a08983db7c1 Dominik Brodowski 2018-03-25 620 int flag); c679a08983db7c1 Dominik Brodowski 2018-03-25 621 asmlinkage long compat_sys_newfstat(unsigned int fd, c679a08983db7c1 Dominik Brodowski 2018-03-25 622 struct compat_stat __user *statbuf); c679a08983db7c1 Dominik Brodowski 2018-03-25 623 :::::: The code at line 619 was first introduced by commit :::::: c679a08983db7c1eb09930570b92ff7c9fd59c1c syscalls: sort syscall prototypes in include/linux/compat.h :::::: TO: Dominik Brodowski <linux(a)dominikbrodowski.net&gt; :::::: CC: Dominik Brodowski <linux(a)dominikbrodowski.net&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org