[kbuild-all] [tip:tmp.tmp2 308/364] include/linux/compat.h:548:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration

tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tmp.tmp2 head: adcceb5eb7aee38e4a9c15bdf599655f0e1b1324 commit: 120c6121adeaa43021433af501c9a1111c70d8f8 [308/364] sched/headers, compat: Simplify <linux/compat.h> 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=12... 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 120c6121adeaa43021433af501c9a1111c70d8f8 # 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 warnings (new ones prefixed by >>): from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/hash.h: At top level: arch/powerpc/include/asm/book3s/64/hash.h:248:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'hash__vmemmap_create_mapping' 248 | extern int __meminit hash__vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:297, from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20, from arch/powerpc/include/asm/book3s/64/mmu.h:31, from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/radix.h:289:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'radix__vmemmap_create_mapping' 289 | extern int __meminit radix__vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20, from arch/powerpc/include/asm/book3s/64/mmu.h:31, from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/pgtable.h:1075:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'vmemmap_create_mapping' 1075 | static inline int __meminit vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/mmu.h:210:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'early_init_mmu' 210 | static inline void __init early_init_mmu(void) | ^~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: include/linux/sched.h:459:26: error: field 'irqtrace' has incomplete type 459 | struct irqtrace_events irqtrace; | ^~~~~~~~ include/linux/sched.h:475:20: error: array type has incomplete element type 'struct held_lock' 475 | struct held_lock held_locks[MAX_LOCK_DEPTH]; | ^~~~~~~~~~ In file included from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/compat.h:42:2: error: unknown type name 'old_time32_t' 42 | old_time32_t st_atime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:44:2: error: unknown type name 'old_time32_t' 44 | old_time32_t st_mtime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:46:2: error: unknown type name 'old_time32_t' 46 | old_time32_t st_ctime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h: In function 'arch_compat_alloc_user_space': arch/powerpc/include/asm/compat.h:99:25: error: implicit declaration of function 'task_thread'; did you mean 'start_thread'? [-Werror=implicit-function-declaration] 99 | struct pt_regs *regs = task_thread(current).regs; | ^~~~~~~~~~~ | start_thread 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; | ^ In file included from include/linux/thread_info.h:52, from include/linux/uio.h:10, from include/linux/socket.h:8, from include/uapi/linux/if.h:25, from include/linux/compat.h:9, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/thread_info.h:167:26: error: implicit declaration of function 'test_thread_flag'; did you mean 'test_thread_local_flags'? [-Werror=implicit-function-declaration] 167 | #define is_32bit_task() (test_thread_flag(TIF_32BIT)) | ^~~~~~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:107:7: note: in expansion of macro 'is_32bit_task' 107 | if (!is_32bit_task()) | ^~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: include/linux/compat.h: At top level: include/linux/compat.h:253:23: error: field 'ru_utime' has incomplete type 253 | struct old_timeval32 ru_utime; | ^~~~~~~~ include/linux/compat.h:254:23: error: field 'ru_stime' has incomplete type 254 | struct old_timeval32 ru_stime; | ^~~~~~~~ include/linux/compat.h: In function 'put_compat_sigset': include/linux/compat.h:431:9: error: implicit declaration of function 'copy_to_user'; did you mean 'copy_to_iter'? [-Werror=implicit-function-declaration] 431 | return copy_to_user(compat, &v, size) ? -EFAULT : 0; | ^~~~~~~~~~~~ | copy_to_iter include/linux/compat.h: At top level: 548 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:554:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 554 | struct io_event __user *events, | ^~~~~~~~ 838 | struct file_handle __user *handle, | ^~~~~~~~~~~ include/linux/compat.h:847:51: error: unknown type name 'rwf_t' 847 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:850:51: error: unknown type name 'rwf_t' 850 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:940:36: error: return type is an incomplete type 940 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h: In function 'ns_to_old_timeval32': include/linux/compat.h:943:23: error: storage size of 'ctv' isn't known 943 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:945:7: error: implicit declaration of function 'ns_to_kernel_old_timeval' [-Werror=implicit-function-declaration] 945 | tv = ns_to_kernel_old_timeval(nsec); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compat.h:945:7: error: incompatible types when assigning to type 'struct __kernel_old_timeval' from type 'int' include/linux/compat.h:949:9: error: 'return' with a value, in function returning void [-Werror=return-type] 949 | return ctv; | ^~~ include/linux/compat.h:940:36: note: declared here 940 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h:943:23: warning: unused variable 'ctv' [-Wunused-variable] 943 | struct old_timeval32 ctv; | ^~~ 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); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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' -- from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/hash.h: At top level: arch/powerpc/include/asm/book3s/64/hash.h:248:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'hash__vmemmap_create_mapping' 248 | extern int __meminit hash__vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:297, from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20, from arch/powerpc/include/asm/book3s/64/mmu.h:31, from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/radix.h:289:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'radix__vmemmap_create_mapping' 289 | extern int __meminit radix__vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20, from arch/powerpc/include/asm/book3s/64/mmu.h:31, from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/pgtable.h:1075:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'vmemmap_create_mapping' 1075 | static inline int __meminit vmemmap_create_mapping(unsigned long start, | ^~~~~~~~~~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/mmu.h:402, from arch/powerpc/include/asm/lppaca.h:46, from arch/powerpc/include/asm/paca.h:17, from arch/powerpc/include/asm/current.h:13, from include/linux/sched.h:18, from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/book3s/64/mmu.h:210:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'early_init_mmu' 210 | static inline void __init early_init_mmu(void) | ^~~~~~~~~~~~~~ In file included from arch/powerpc/include/asm/compat.h:9, from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: include/linux/sched.h:459:26: error: field 'irqtrace' has incomplete type 459 | struct irqtrace_events irqtrace; | ^~~~~~~~ include/linux/sched.h:475:20: error: array type has incomplete element type 'struct held_lock' 475 | struct held_lock held_locks[MAX_LOCK_DEPTH]; | ^~~~~~~~~~ In file included from include/linux/compat.h:10, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/compat.h:42:2: error: unknown type name 'old_time32_t' 42 | old_time32_t st_atime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:44:2: error: unknown type name 'old_time32_t' 44 | old_time32_t st_mtime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:46:2: error: unknown type name 'old_time32_t' 46 | old_time32_t st_ctime; | ^~~~~~~~~~~~ arch/powerpc/include/asm/compat.h: In function 'arch_compat_alloc_user_space': arch/powerpc/include/asm/compat.h:99:25: error: implicit declaration of function 'task_thread'; did you mean 'start_thread'? [-Werror=implicit-function-declaration] 99 | struct pt_regs *regs = task_thread(current).regs; | ^~~~~~~~~~~ | start_thread 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; | ^ In file included from include/linux/thread_info.h:52, from include/linux/uio.h:10, from include/linux/socket.h:8, from include/uapi/linux/if.h:25, from include/linux/compat.h:9, from arch/powerpc/kernel/asm-offsets.c:14: arch/powerpc/include/asm/thread_info.h:167:26: error: implicit declaration of function 'test_thread_flag'; did you mean 'test_thread_local_flags'? [-Werror=implicit-function-declaration] 167 | #define is_32bit_task() (test_thread_flag(TIF_32BIT)) | ^~~~~~~~~~~~~~~~ arch/powerpc/include/asm/compat.h:107:7: note: in expansion of macro 'is_32bit_task' 107 | if (!is_32bit_task()) | ^~~~~~~~~~~~~ In file included from arch/powerpc/kernel/asm-offsets.c:14: include/linux/compat.h: At top level: include/linux/compat.h:253:23: error: field 'ru_utime' has incomplete type 253 | struct old_timeval32 ru_utime; | ^~~~~~~~ include/linux/compat.h:254:23: error: field 'ru_stime' has incomplete type 254 | struct old_timeval32 ru_stime; | ^~~~~~~~ include/linux/compat.h: In function 'put_compat_sigset': include/linux/compat.h:431:9: error: implicit declaration of function 'copy_to_user'; did you mean 'copy_to_iter'? [-Werror=implicit-function-declaration] 431 | return copy_to_user(compat, &v, size) ? -EFAULT : 0; | ^~~~~~~~~~~~ | copy_to_iter include/linux/compat.h: At top level: 548 | struct io_event __user *events, | ^~~~~~~~ include/linux/compat.h:554:13: warning: 'struct io_event' declared inside parameter list will not be visible outside of this definition or declaration 554 | struct io_event __user *events, | ^~~~~~~~ 838 | struct file_handle __user *handle, | ^~~~~~~~~~~ include/linux/compat.h:847:51: error: unknown type name 'rwf_t' 847 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:850:51: error: unknown type name 'rwf_t' 850 | compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); | ^~~~~ include/linux/compat.h:940:36: error: return type is an incomplete type 940 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h: In function 'ns_to_old_timeval32': include/linux/compat.h:943:23: error: storage size of 'ctv' isn't known 943 | struct old_timeval32 ctv; | ^~~ include/linux/compat.h:945:7: error: implicit declaration of function 'ns_to_kernel_old_timeval' [-Werror=implicit-function-declaration] 945 | tv = ns_to_kernel_old_timeval(nsec); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/compat.h:945:7: error: incompatible types when assigning to type 'struct __kernel_old_timeval' from type 'int' include/linux/compat.h:949:9: error: 'return' with a value, in function returning void [-Werror=return-type] 949 | return ctv; | ^~~ include/linux/compat.h:940:36: note: declared here 940 | static inline struct old_timeval32 ns_to_old_timeval32(s64 nsec) | ^~~~~~~~~~~~~~~~~~~ include/linux/compat.h:943:23: warning: unused variable 'ctv' [-Wunused-variable] 943 | struct old_timeval32 ctv; | ^~~ 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); \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 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' .. vim +548 include/linux/compat.h c679a08983db7c Dominik Brodowski 2018-03-25 527 f6dfb4fd7dd944 Davide Libenzi 2007-03-07 528 /* c679a08983db7c Dominik Brodowski 2018-03-25 529 * These syscall function prototypes are kept in the same order as 3e2052e5dd4062 Dominik Brodowski 2018-03-22 530 * include/uapi/asm-generic/unistd.h. Deprecated or obsolete system calls 3e2052e5dd4062 Dominik Brodowski 2018-03-22 531 * go below. c679a08983db7c Dominik Brodowski 2018-03-25 532 * c679a08983db7c Dominik Brodowski 2018-03-25 533 * Please note that these prototypes here are only provided for information c679a08983db7c Dominik Brodowski 2018-03-25 534 * purposes, for static analysis, and for linking from the syscall table. c679a08983db7c Dominik Brodowski 2018-03-25 535 * These functions should not be called elsewhere from kernel code. 7303e30ec1d8fb Dominik Brodowski 2018-04-05 536 * 7303e30ec1d8fb Dominik Brodowski 2018-04-05 537 * As the syscall calling convention may be different from the default 7303e30ec1d8fb Dominik Brodowski 2018-04-05 538 * for architectures overriding the syscall calling convention, do not 7303e30ec1d8fb Dominik Brodowski 2018-04-05 539 * include the prototypes if CONFIG_ARCH_HAS_SYSCALL_WRAPPER is enabled. f6dfb4fd7dd944 Davide Libenzi 2007-03-07 540 */ 7303e30ec1d8fb Dominik Brodowski 2018-04-05 541 #ifndef CONFIG_ARCH_HAS_SYSCALL_WRAPPER c679a08983db7c Dominik Brodowski 2018-03-25 542 asmlinkage long compat_sys_io_setup(unsigned nr_reqs, u32 __user *ctx32p); c679a08983db7c Dominik Brodowski 2018-03-25 543 asmlinkage long compat_sys_io_submit(compat_aio_context_t ctx_id, int nr, c679a08983db7c Dominik Brodowski 2018-03-25 544 u32 __user *iocb); 7a074e96dee625 Christoph Hellwig 2018-05-02 545 asmlinkage long compat_sys_io_pgetevents(compat_aio_context_t ctx_id, 7a074e96dee625 Christoph Hellwig 2018-05-02 546 compat_long_t min_nr, 7a074e96dee625 Christoph Hellwig 2018-05-02 547 compat_long_t nr, 7a074e96dee625 Christoph Hellwig 2018-05-02 @548 struct io_event __user *events, 9afc5eee65ca7d Arnd Bergmann 2018-07-13 549 struct old_timespec32 __user *timeout, 7a074e96dee625 Christoph Hellwig 2018-05-02 550 const struct __compat_aio_sigset __user *usig); 7a35397f8c06bf Deepa Dinamani 2018-09-19 551 asmlinkage long compat_sys_io_pgetevents_time64(compat_aio_context_t ctx_id, 7a35397f8c06bf Deepa Dinamani 2018-09-19 552 compat_long_t min_nr, 7a35397f8c06bf Deepa Dinamani 2018-09-19 553 compat_long_t nr, 7a35397f8c06bf Deepa Dinamani 2018-09-19 554 struct io_event __user *events, 7a35397f8c06bf Deepa Dinamani 2018-09-19 555 struct __kernel_timespec __user *timeout, 7a35397f8c06bf Deepa Dinamani 2018-09-19 556 const struct __compat_aio_sigset __user *usig); c679a08983db7c Dominik Brodowski 2018-03-25 557 :::::: The code at line 548 was first introduced by commit :::::: 7a074e96dee62586c935c80cecd931431bfdd0be aio: implement io_pgetevents :::::: TO: Christoph Hellwig <hch(a)lst.de&gt; :::::: CC: Christoph Hellwig <hch(a)lst.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org