tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2 head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324 commit: ab8b6c16e1f4f3a3fa41752685ce49a89c616ca8 [313/364] sched/headers, compat: Simplify <linux/compat.h> dependencies even more config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-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/tip/tip.git/commit/?id=ab... git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip tmp.tmp2 git checkout ab8b6c16e1f4f3a3fa41752685ce49a89c616ca8 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/powerpc/include/asm/compat.h:99:25: error: implicit declaration of function 'task_thread' [-Werror=implicit-function-declaration] 99 | struct pt_regs *regs = task_thread(current).regs; | ^~~~~~~~~~~ arch/powerpc/include/asm/compat.h:99:45: error: request for member 'regs' in something not a structure or union 99 | struct pt_regs *regs = task_thread(current).regs; | ^ arch/powerpc/include/asm/compat.h:100:26: error: dereferencing pointer to incomplete type 'struct pt_regs' 100 | unsigned long usp = regs->gpr[1]; | ^~ arch/powerpc/include/asm/compat.h:107:7: error: implicit declaration of function 'is_32bit_task' [-Werror=implicit-function-declaration] 107 | if (!is_32bit_task()) | ^~~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:108:10: error: 'USER_REDZONE_SIZE' undeclared (first use in this function); did you mean 'USER_REGION_ID'? 108 | usp -= USER_REDZONE_SIZE; | ^~~~~~~~~~~~~~~~~ | USER_REGION_ID arch/powerpc/include/asm/compat.h:108:10: note: each undeclared identifier is reported only once for each function it appears in In file included from arch/powerpc/kernel/asm-offsets.c:14: include/linux/compat.h: At top level: include/linux/compat.h:263:23: error: field 'ru_utime' has incomplete type 263 | struct old_timeval32 ru_utime; | ^~~~~~~~ include/linux/compat.h:264:23: error: field 'ru_stime' has incomplete type 264 | struct old_timeval32 ru_stime; | ^~~~~~~~ include/linux/compat.h: In function 'put_compat_sigset': include/linux/compat.h:441:9: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration] 441 | return copy_to_user(compat, &v, size) ? -EFAULT : 0; | ^~~~~~~~~~~~ include/linux/compat.h: At top level: include/linux/compat.h:560:13: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 560 | struct old_timespec32 __user *timeout, | ^~~~~~~~~~~~~~ include/linux/compat.h:559:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 559 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:566:13: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 566 | struct __kernel_timespec __user *timeout, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:565:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 565 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:581:17: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 581 | const struct __kernel_timespec __user *timeout, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:620:16: warning: 'struct iovec' declared inside parameter list will not be visible outside of this definition or declaration 620 | const struct iovec __user *vec, | ^~~~~ include/linux/compat.h:623:16: warning: 'struct iovec' declared inside parameter list will not be visible outside of this definition or declaration 623 | const struct iovec __user *vec, | ^~~~~ include/linux/compat.h:647:16: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 647 | struct old_timespec32 __user *tsp, | ^~~~~~~~~~~~~~ include/linux/compat.h:652:16: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 652 | struct __kernel_timespec __user *tsp, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:656:13: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 656 | struct old_timespec32 __user *tsp, | ^~~~~~~~~~~~~~ include/linux/compat.h:654:48: warning: 'struct pollfd' declared inside parameter list will not be visible outside of this definition or declaration 654 | asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds, | ^~~~~~ include/linux/compat.h:661:13: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 661 | struct __kernel_timespec __user *tsp, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:659:48: warning: 'struct pollfd' declared inside parameter list will not be visible outside of this definition or declaration 659 | asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds, | ^~~~~~ include/linux/compat.h:743:10: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 743 | struct old_timespec32 __user *uts, compat_size_t sigsetsize); | ^~~~~~~~~~~~~~ include/linux/compat.h:746:10: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 746 | struct __kernel_timespec __user *uts, compat_size_t sigsetsize); | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:761:10: warning: 'struct timezone' declared inside parameter list will not be visible outside of this definition or declaration 761 | struct timezone __user *tz); | ^~~~~~~~ include/linux/compat.h:763:10: warning: 'struct timezone' declared inside parameter list will not be visible outside of this definition or declaration 763 | struct timezone __user *tz); | ^~~~~~~~ include/linux/compat.h:839:16: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 839 | struct __kernel_timespec __user *timeout); | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:842:16: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 842 | struct old_timespec32 __user *timeout); | ^~~~~~~~~~~~~~ include/linux/compat.h:849:18: warning: 'struct file_handle' declared inside parameter list will not be visible outside of this definition or declaration 849 | struct file_handle __user *handle, | ^~~~~~~~~~~ include/linux/compat.h:858:51: error: unknown type name 'rwf_t' 858 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:861:51: error: unknown type name 'rwf_t' 861 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:951:36: error: return type is an incomplete type 951 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h: In function 'ns_to_old_timeval32': 953 | struct __kernel_old_timeval tv; | ^~ include/linux/compat.h:954:23: error: storage size of 'ctv' isn't known 954 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:956:7: error: implicit declaration of function 'ns_to_kernel_old_timeval' [-Werror=implicit-function-declaration] 956 | tv = ns_to_kernel_old_timeval(nsec); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compat.h:960:9: error: 'return' with a value, in function returning void [-Werror=return-type] 960 | return ctv; | ^~~ include/linux/compat.h:951:36: note: declared here 951 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h:954:23: warning: unused variable 'ctv' [-Wunused-variable] 954 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:953:30: warning: unused variable 'tv' [-Wunused-variable] 953 | struct __kernel_old_timeval tv; | ^~ In file included from include/linux/thread_info.h:52, from include/asm-generic/preempt.h:5, from ./arch/powerpc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:80, from include/linux/spinlock.h:53, from include/linux/mmzone.h:8, from include/linux/gfp.h:8, from include/linux/mm.h:12, from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:21: arch/powerpc/include/asm/thread_info.h: In function 'clear_thread_local_flags': arch/powerpc/include/asm/thread_info.h:156:27: error: implicit declaration of function 'current_thread_info' [-Werror=implicit-function-declaration] 156 | struct thread_info *ti = current_thread_info(); | ^~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/thread_info.h:156:27: warning: initialization of 'struct thread_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion] arch/powerpc/include/asm/thread_info.h: In function 'test_thread_local_flags': arch/powerpc/include/asm/thread_info.h:162:27: warning: initialization of 'struct thread_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 162 | struct thread_info *ti = current_thread_info(); | ^~~~~~~~~~~~~~~~~~~ In file included from <command-line>: include/asm-generic/preempt.h: In function 'preempt_count': include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE' 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~~~~~~~~ include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE' 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~~~~~~~~ include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ -- arch/powerpc/include/asm/compat.h:99:25: error: implicit declaration of function 'task_thread' [-Werror=implicit-function-declaration] 99 | struct pt_regs *regs = task_thread(current).regs; | ^~~~~~~~~~~ arch/powerpc/include/asm/compat.h:99:45: error: request for member 'regs' in something not a structure or union 99 | struct pt_regs *regs = task_thread(current).regs; | ^ arch/powerpc/include/asm/compat.h:100:26: error: dereferencing pointer to incomplete type 'struct pt_regs' 100 | unsigned long usp = regs->gpr[1]; | ^~ arch/powerpc/include/asm/compat.h:107:7: error: implicit declaration of function 'is_32bit_task' [-Werror=implicit-function-declaration] 107 | if (!is_32bit_task()) | ^~~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:108:10: error: 'USER_REDZONE_SIZE' undeclared (first use in this function); did you mean 'USER_REGION_ID'? 108 | usp -= USER_REDZONE_SIZE; | ^~~~~~~~~~~~~~~~~ | USER_REGION_ID arch/powerpc/include/asm/compat.h:108:10: note: each undeclared identifier is reported only once for each function it appears in In file included from arch/powerpc/kernel/asm-offsets.c:14: include/linux/compat.h: At top level: include/linux/compat.h:263:23: error: field 'ru_utime' has incomplete type 263 | struct old_timeval32 ru_utime; | ^~~~~~~~ include/linux/compat.h:264:23: error: field 'ru_stime' has incomplete type 264 | struct old_timeval32 ru_stime; | ^~~~~~~~ include/linux/compat.h: In function 'put_compat_sigset': include/linux/compat.h:441:9: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration] 441 | return copy_to_user(compat, &v, size) ? -EFAULT : 0; | ^~~~~~~~~~~~ include/linux/compat.h: At top level: include/linux/compat.h:560:13: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 560 | struct old_timespec32 __user *timeout, | ^~~~~~~~~~~~~~ include/linux/compat.h:559:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 559 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:566:13: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 566 | struct __kernel_timespec __user *timeout, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:565:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 565 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:581:17: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 581 | const struct __kernel_timespec __user *timeout, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:620:16: warning: 'struct iovec' declared inside parameter list will not be visible outside of this definition or declaration 620 | const struct iovec __user *vec, | ^~~~~ include/linux/compat.h:623:16: warning: 'struct iovec' declared inside parameter list will not be visible outside of this definition or declaration 623 | const struct iovec __user *vec, | ^~~~~ include/linux/compat.h:647:16: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 647 | struct old_timespec32 __user *tsp, | ^~~~~~~~~~~~~~ include/linux/compat.h:652:16: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 652 | struct __kernel_timespec __user *tsp, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:656:13: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 656 | struct old_timespec32 __user *tsp, | ^~~~~~~~~~~~~~ include/linux/compat.h:654:48: warning: 'struct pollfd' declared inside parameter list will not be visible outside of this definition or declaration 654 | asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds, | ^~~~~~ include/linux/compat.h:661:13: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 661 | struct __kernel_timespec __user *tsp, | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:659:48: warning: 'struct pollfd' declared inside parameter list will not be visible outside of this definition or declaration 659 | asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds, | ^~~~~~ include/linux/compat.h:743:10: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 743 | struct old_timespec32 __user *uts, compat_size_t sigsetsize); | ^~~~~~~~~~~~~~ include/linux/compat.h:746:10: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 746 | struct __kernel_timespec __user *uts, compat_size_t sigsetsize); | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:761:10: warning: 'struct timezone' declared inside parameter list will not be visible outside of this definition or declaration 761 | struct timezone __user *tz); | ^~~~~~~~ include/linux/compat.h:763:10: warning: 'struct timezone' declared inside parameter list will not be visible outside of this definition or declaration 763 | struct timezone __user *tz); | ^~~~~~~~ include/linux/compat.h:839:16: warning: 'struct __kernel_timespec' declared inside parameter list will not be visible outside of this definition or declaration 839 | struct __kernel_timespec __user *timeout); | ^~~~~~~~~~~~~~~~~ include/linux/compat.h:842:16: warning: 'struct old_timespec32' declared inside parameter list will not be visible outside of this definition or declaration 842 | struct old_timespec32 __user *timeout); | ^~~~~~~~~~~~~~ include/linux/compat.h:849:18: warning: 'struct file_handle' declared inside parameter list will not be visible outside of this definition or declaration 849 | struct file_handle __user *handle, | ^~~~~~~~~~~ include/linux/compat.h:858:51: error: unknown type name 'rwf_t' 858 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:861:51: error: unknown type name 'rwf_t' 861 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:951:36: error: return type is an incomplete type 951 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h: In function 'ns_to_old_timeval32': 953 | struct __kernel_old_timeval tv; | ^~ include/linux/compat.h:954:23: error: storage size of 'ctv' isn't known 954 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:956:7: error: implicit declaration of function 'ns_to_kernel_old_timeval' [-Werror=implicit-function-declaration] 956 | tv = ns_to_kernel_old_timeval(nsec); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compat.h:960:9: error: 'return' with a value, in function returning void [-Werror=return-type] 960 | return ctv; | ^~~ include/linux/compat.h:951:36: note: declared here 951 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h:954:23: warning: unused variable 'ctv' [-Wunused-variable] 954 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:953:30: warning: unused variable 'tv' [-Wunused-variable] 953 | struct __kernel_old_timeval tv; | ^~ In file included from include/linux/thread_info.h:52, from include/asm-generic/preempt.h:5, from ./arch/powerpc/include/generated/asm/preempt.h:1, from include/linux/preempt.h:80, from include/linux/spinlock.h:53, from include/linux/mmzone.h:8, from include/linux/gfp.h:8, from include/linux/mm.h:12, from include/linux/mman.h:5, from arch/powerpc/kernel/asm-offsets.c:21: arch/powerpc/include/asm/thread_info.h: In function 'clear_thread_local_flags': arch/powerpc/include/asm/thread_info.h:156:27: error: implicit declaration of function 'current_thread_info' [-Werror=implicit-function-declaration] 156 | struct thread_info *ti = current_thread_info(); | ^~~~~~~~~~~~~~~~~~~ arch/powerpc/include/asm/thread_info.h:156:27: warning: initialization of 'struct thread_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion] arch/powerpc/include/asm/thread_info.h: In function 'test_thread_local_flags': arch/powerpc/include/asm/thread_info.h:162:27: warning: initialization of 'struct thread_info *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 162 | struct thread_info *ti = current_thread_info(); | ^~~~~~~~~~~~~~~~~~~ In file included from <command-line>: include/asm-generic/preempt.h: In function 'preempt_count': include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE' 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~~~~~~~~ include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/preempt.h:11:9: note: in expansion of macro 'READ_ONCE' 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~~~~~~~~ include/asm-generic/preempt.h:11:40: error: invalid type argument of '->' (have 'int') 11 | return READ_ONCE(current_thread_info()->preempt_count); | ^~ include/linux/compiler_types.h:308:9: note: in definition of macro '__compiletime_assert' 308 | if (!(condition)) \ | ^~~~~~~~~ include/linux/compiler_types.h:328:2: note: in expansion of macro '_compiletime_assert' 328 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__) | ^~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:2: note: in expansion of macro 'compiletime_assert' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:36:21: note: in expansion of macro '__native_word' 36 | compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \ | ^~~~~~~~~~~~~ include/asm-generic/rwonce.h:49:2: note: in expansion of macro 'compiletime_assert_rwonce_type' 49 | compiletime_assert_rwonce_type(x); \ .. vim +953 include/linux/compat.h c679a08983db7c Dominik Brodowski 2018-03-25 812 c679a08983db7c Dominik Brodowski 2018-03-25 813 /* mm/, CONFIG_MMU only */ c679a08983db7c Dominik Brodowski 2018-03-25 814 asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, c679a08983db7c Dominik Brodowski 2018-03-25 815 compat_ulong_t mode, c679a08983db7c Dominik Brodowski 2018-03-25 816 compat_ulong_t __user *nmask, c679a08983db7c Dominik Brodowski 2018-03-25 817 compat_ulong_t maxnode, compat_ulong_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 818 asmlinkage long compat_sys_get_mempolicy(int __user *policy, c679a08983db7c Dominik Brodowski 2018-03-25 819 compat_ulong_t __user *nmask, c679a08983db7c Dominik Brodowski 2018-03-25 820 compat_ulong_t maxnode, c679a08983db7c Dominik Brodowski 2018-03-25 821 compat_ulong_t addr, c679a08983db7c Dominik Brodowski 2018-03-25 822 compat_ulong_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 823 asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, c679a08983db7c Dominik Brodowski 2018-03-25 824 compat_ulong_t maxnode); c679a08983db7c Dominik Brodowski 2018-03-25 825 asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, c679a08983db7c Dominik Brodowski 2018-03-25 826 compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, c679a08983db7c Dominik Brodowski 2018-03-25 827 const compat_ulong_t __user *new_nodes); c679a08983db7c Dominik Brodowski 2018-03-25 828 asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, c679a08983db7c Dominik Brodowski 2018-03-25 829 __u32 __user *pages, c679a08983db7c Dominik Brodowski 2018-03-25 830 const int __user *nodes, c679a08983db7c Dominik Brodowski 2018-03-25 831 int __user *status, c679a08983db7c Dominik Brodowski 2018-03-25 832 int flags); c679a08983db7c Dominik Brodowski 2018-03-25 833 c679a08983db7c Dominik Brodowski 2018-03-25 834 asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, c679a08983db7c Dominik Brodowski 2018-03-25 835 compat_pid_t pid, int sig, c679a08983db7c Dominik Brodowski 2018-03-25 836 struct compat_siginfo __user *uinfo); e11d4284e2f4de Arnd Bergmann 2018-04-18 837 asmlinkage long compat_sys_recvmmsg_time64(int fd, struct compat_mmsghdr __user *mmsg, e11d4284e2f4de Arnd Bergmann 2018-04-18 838 unsigned vlen, unsigned int flags, e11d4284e2f4de Arnd Bergmann 2018-04-18 839 struct __kernel_timespec __user *timeout); 8dabe7245bbc13 Arnd Bergmann 2019-01-07 840 asmlinkage long compat_sys_recvmmsg_time32(int fd, struct compat_mmsghdr __user *mmsg, c679a08983db7c Dominik Brodowski 2018-03-25 841 unsigned vlen, unsigned int flags, 9afc5eee65ca7d Arnd Bergmann 2018-07-13 842 struct old_timespec32 __user *timeout); c679a08983db7c Dominik Brodowski 2018-03-25 843 asmlinkage long compat_sys_wait4(compat_pid_t pid, c679a08983db7c Dominik Brodowski 2018-03-25 844 compat_uint_t __user *stat_addr, int options, c679a08983db7c Dominik Brodowski 2018-03-25 845 struct compat_rusage __user *ru); c679a08983db7c Dominik Brodowski 2018-03-25 846 asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32, c679a08983db7c Dominik Brodowski 2018-03-25 847 int, const char __user *); c679a08983db7c Dominik Brodowski 2018-03-25 848 asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, c679a08983db7c Dominik Brodowski 2018-03-25 849 struct file_handle __user *handle, c679a08983db7c Dominik Brodowski 2018-03-25 850 int flags); c679a08983db7c Dominik Brodowski 2018-03-25 851 asmlinkage long compat_sys_sendmmsg(int fd, struct compat_mmsghdr __user *mmsg, c679a08983db7c Dominik Brodowski 2018-03-25 852 unsigned vlen, unsigned int flags); c679a08983db7c Dominik Brodowski 2018-03-25 853 asmlinkage long compat_sys_execveat(int dfd, const char __user *filename, c679a08983db7c Dominik Brodowski 2018-03-25 854 const compat_uptr_t __user *argv, c679a08983db7c Dominik Brodowski 2018-03-25 855 const compat_uptr_t __user *envp, int flags); c679a08983db7c Dominik Brodowski 2018-03-25 856 asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd, 3523a9d4547898 Christoph Hellwig 2020-09-25 857 const struct iovec __user *vec, c679a08983db7c Dominik Brodowski 2018-03-25 858 compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 859 asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd, 3523a9d4547898 Christoph Hellwig 2020-09-25 860 const struct iovec __user *vec, c679a08983db7c Dominik Brodowski 2018-03-25 @861 compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 862 #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2 576d0703a81217 Christoph Hellwig 2020-09-25 863 asmlinkage long compat_sys_preadv64v2(unsigned long fd, 3523a9d4547898 Christoph Hellwig 2020-09-25 864 const struct iovec __user *vec, c679a08983db7c Dominik Brodowski 2018-03-25 865 unsigned long vlen, loff_t pos, rwf_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 866 #endif a67ba43d30bf8c Chris Metcalf 2011-12-01 867 c679a08983db7c Dominik Brodowski 2018-03-25 868 #ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64V2 c679a08983db7c Dominik Brodowski 2018-03-25 869 asmlinkage long compat_sys_pwritev64v2(unsigned long fd, 3523a9d4547898 Christoph Hellwig 2020-09-25 870 const struct iovec __user *vec, c679a08983db7c Dominik Brodowski 2018-03-25 871 unsigned long vlen, loff_t pos, rwf_t flags); c679a08983db7c Dominik Brodowski 2018-03-25 872 #endif c679a08983db7c Dominik Brodowski 2018-03-25 873 c679a08983db7c Dominik Brodowski 2018-03-25 874 c679a08983db7c Dominik Brodowski 2018-03-25 875 /* c679a08983db7c Dominik Brodowski 2018-03-25 876 * Deprecated system calls which are still defined in c679a08983db7c Dominik Brodowski 2018-03-25 877 * include/uapi/asm-generic/unistd.h and wanted by >= 1 arch c679a08983db7c Dominik Brodowski 2018-03-25 878 */ 9026843952adac Al Viro 2012-12-14 879 c679a08983db7c Dominik Brodowski 2018-03-25 880 /* __ARCH_WANT_SYSCALL_NO_AT */ c679a08983db7c Dominik Brodowski 2018-03-25 881 asmlinkage long compat_sys_open(const char __user *filename, int flags, c679a08983db7c Dominik Brodowski 2018-03-25 882 umode_t mode); c679a08983db7c Dominik Brodowski 2018-03-25 883 c679a08983db7c Dominik Brodowski 2018-03-25 884 /* __ARCH_WANT_SYSCALL_NO_FLAGS */ c679a08983db7c Dominik Brodowski 2018-03-25 885 asmlinkage long compat_sys_signalfd(int ufd, c679a08983db7c Dominik Brodowski 2018-03-25 886 const compat_sigset_t __user *sigmask, c679a08983db7c Dominik Brodowski 2018-03-25 887 compat_size_t sigsetsize); c679a08983db7c Dominik Brodowski 2018-03-25 888 c679a08983db7c Dominik Brodowski 2018-03-25 889 /* __ARCH_WANT_SYSCALL_OFF_T */ c679a08983db7c Dominik Brodowski 2018-03-25 890 asmlinkage long compat_sys_newstat(const char __user *filename, c679a08983db7c Dominik Brodowski 2018-03-25 891 struct compat_stat __user *statbuf); c679a08983db7c Dominik Brodowski 2018-03-25 892 asmlinkage long compat_sys_newlstat(const char __user *filename, c679a08983db7c Dominik Brodowski 2018-03-25 893 struct compat_stat __user *statbuf); c679a08983db7c Dominik Brodowski 2018-03-25 894 c679a08983db7c Dominik Brodowski 2018-03-25 895 /* __ARCH_WANT_SYSCALL_DEPRECATED */ c679a08983db7c Dominik Brodowski 2018-03-25 896 asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, c679a08983db7c Dominik Brodowski 2018-03-25 897 compat_ulong_t __user *outp, compat_ulong_t __user *exp, 9afc5eee65ca7d Arnd Bergmann 2018-07-13 898 struct old_timeval32 __user *tvp); c679a08983db7c Dominik Brodowski 2018-03-25 899 asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); c679a08983db7c Dominik Brodowski 2018-03-25 900 asmlinkage long compat_sys_recv(int fd, void __user *buf, compat_size_t len, c679a08983db7c Dominik Brodowski 2018-03-25 901 unsigned flags); c679a08983db7c Dominik Brodowski 2018-03-25 902 c679a08983db7c Dominik Brodowski 2018-03-25 903 /* obsolete: fs/readdir.c */ c679a08983db7c Dominik Brodowski 2018-03-25 904 asmlinkage long compat_sys_old_readdir(unsigned int fd, c679a08983db7c Dominik Brodowski 2018-03-25 905 struct compat_old_linux_dirent __user *, c679a08983db7c Dominik Brodowski 2018-03-25 906 unsigned int count); c679a08983db7c Dominik Brodowski 2018-03-25 907 c679a08983db7c Dominik Brodowski 2018-03-25 908 /* obsolete: fs/select.c */ c679a08983db7c Dominik Brodowski 2018-03-25 909 asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg); c679a08983db7c Dominik Brodowski 2018-03-25 910 c679a08983db7c Dominik Brodowski 2018-03-25 911 /* obsolete: ipc */ c679a08983db7c Dominik Brodowski 2018-03-25 912 asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); c679a08983db7c Dominik Brodowski 2018-03-25 913 c679a08983db7c Dominik Brodowski 2018-03-25 914 /* obsolete: kernel/signal.c */ e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 915 #ifdef __ARCH_WANT_SYS_SIGPENDING e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 916 asmlinkage long compat_sys_sigpending(compat_old_sigset_t __user *set); e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 917 #endif e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 918 e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 919 #ifdef __ARCH_WANT_SYS_SIGPROCMASK e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 920 asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t __user *nset, e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 921 compat_old_sigset_t __user *oset); e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 922 #endif c679a08983db7c Dominik Brodowski 2018-03-25 923 #ifdef CONFIG_COMPAT_OLD_SIGACTION c679a08983db7c Dominik Brodowski 2018-03-25 924 asmlinkage long compat_sys_sigaction(int sig, c679a08983db7c Dominik Brodowski 2018-03-25 925 const struct compat_old_sigaction __user *act, c679a08983db7c Dominik Brodowski 2018-03-25 926 struct compat_old_sigaction __user *oact); c679a08983db7c Dominik Brodowski 2018-03-25 927 #endif e9fb8b7e4f6af1 Catalin Marinas 2015-01-06 928 c679a08983db7c Dominik Brodowski 2018-03-25 929 /* obsolete: net/socket.c */ c679a08983db7c Dominik Brodowski 2018-03-25 930 asmlinkage long compat_sys_socketcall(int call, u32 __user *args); 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 931 7303e30ec1d8fb Dominik Brodowski 2018-04-05 932 #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ 7303e30ec1d8fb Dominik Brodowski 2018-04-05 933 79170fda313ed5 Kyle Huey 2017-03-20 934 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 935 /* 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 936 * For most but not all architectures, "am I in a compat syscall?" and 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 937 * "am I a compat task?" are the same question. For architectures on which 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 938 * they aren't the same question, arch code can override in_compat_syscall. 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 939 */ 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 940 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 941 #ifndef in_compat_syscall 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 942 static inline bool in_compat_syscall(void) { return is_compat_task(); } 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 943 #endif 5180e3e24fd3e8 Andy Lutomirski 2016-03-22 944 cd19c364b313c1 Frederic Weisbecker 2017-01-31 945 /** 9afc5eee65ca7d Arnd Bergmann 2018-07-13 946 * ns_to_old_timeval32 - Compat version of ns_to_timeval cd19c364b313c1 Frederic Weisbecker 2017-01-31 947 * @nsec: the nanoseconds value to be converted cd19c364b313c1 Frederic Weisbecker 2017-01-31 948 * 9afc5eee65ca7d Arnd Bergmann 2018-07-13 949 * Returns the old_timeval32 representation of the nsec parameter. cd19c364b313c1 Frederic Weisbecker 2017-01-31 950 */ 9afc5eee65ca7d Arnd Bergmann 2018-07-13 951 static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) cd19c364b313c1 Frederic Weisbecker 2017-01-31 952 { 693737b6cc2edc Arnd Bergmann 2017-11-23 @953 struct __kernel_old_timeval tv; 9afc5eee65ca7d Arnd Bergmann 2018-07-13 954 struct old_timeval32 ctv; cd19c364b313c1 Frederic Weisbecker 2017-01-31 955 693737b6cc2edc Arnd Bergmann 2017-11-23 956 tv = ns_to_kernel_old_timeval(nsec); cd19c364b313c1 Frederic Weisbecker 2017-01-31 957 ctv.tv_sec = tv.tv_sec; cd19c364b313c1 Frederic Weisbecker 2017-01-31 958 ctv.tv_usec = tv.tv_usec; cd19c364b313c1 Frederic Weisbecker 2017-01-31 959 cd19c364b313c1 Frederic Weisbecker 2017-01-31 960 return ctv; cd19c364b313c1 Frederic Weisbecker 2017-01-31 961 } cd19c364b313c1 Frederic Weisbecker 2017-01-31 962 :::::: The code at line 953 was first introduced by commit :::::: 693737b6cc2edc258040b28462a90b63503394d9 y2038: make ns_to_compat_timeval use __kernel_old_timeval :::::: TO: Arnd Bergmann <arnd(a)arndb.de&gt; :::::: CC: Arnd Bergmann <arnd(a)arndb.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org