Hi Dmitry, Thank you for the patch! Yet something to improve: [auto build test ERROR on linus/master] [cannot apply to v5.3-rc8 next-20190904] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Dmitry-Safonov/restart_block-Prepare-the-ground-for-dumping-timeout/20190909-182945 config: i386-randconfig-a003-201936 (attached as .config) compiler: gcc-4.9 (Debian 4.9.2-10+deb8u1) 4.9.2 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/select.c: In function 'do_sys_ppoll': >> fs/select.c:1089:3: error: implicit declaration of function 'set_compat_user_sigmask' [-Werror=implicit-function-declaration] ret = set_compat_user_sigmask(sigmask, sigsetsize); ^ Cyclomatic Complexity 5 include/linux/compiler.h:__read_once_size Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_read Cyclomatic Complexity 1 include/linux/kasan-checks.h:kasan_check_write Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls Cyclomatic Complexity 2 include/asm-generic/bitops-instrumented.h:test_bit Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32 Cyclomatic Complexity 1 arch/x86/include/asm/atomic.h:arch_atomic_inc Cyclomatic Complexity 1 include/asm-generic/atomic-instrumented.h:atomic_inc Cyclomatic Complexity 1 include/asm-generic/atomic-long.h:atomic_long_inc Cyclomatic Complexity 1 include/linux/time64.h:timespec64_sub Cyclomatic Complexity 3 include/linux/time64.h:timespec64_valid Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current Cyclomatic Complexity 68 include/asm-generic/getorder.h:get_order Cyclomatic Complexity 1 include/linux/thread_info.h:test_ti_thread_flag Cyclomatic Complexity 1 include/linux/thread_info.h:check_object_size Cyclomatic Complexity 2 include/linux/thread_info.h:copy_overflow Cyclomatic Complexity 4 include/linux/thread_info.h:check_copy_size Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:preempt_count Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_sub Cyclomatic Complexity 1 include/linux/rcupdate.h:__rcu_read_lock Cyclomatic Complexity 1 include/linux/rcupdate.h:__rcu_read_unlock Cyclomatic Complexity 2 include/linux/ktime.h:ktime_set Cyclomatic Complexity 1 include/linux/ktime.h:timespec64_to_ktime Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_acquire Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_lock_release Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_lock Cyclomatic Complexity 1 include/linux/rcupdate.h:rcu_read_unlock Cyclomatic Complexity 1 include/linux/wait.h:init_waitqueue_func_entry Cyclomatic Complexity 1 include/linux/sched.h:task_nice Cyclomatic Complexity 1 include/linux/sched.h:task_thread_info Cyclomatic Complexity 1 include/linux/sched.h:test_tsk_thread_flag Cyclomatic Complexity 1 include/linux/sched.h:need_resched Cyclomatic Complexity 1 arch/x86/include/asm/smap.h:clac Cyclomatic Complexity 1 arch/x86/include/asm/smap.h:stac Cyclomatic Complexity 3 arch/x86/include/asm/uaccess.h:__chk_range_not_ok Cyclomatic Complexity 1 arch/x86/include/asm/uaccess_32.h:raw_copy_to_user Cyclomatic Complexity 1 include/linux/uaccess.h:__copy_to_user Cyclomatic Complexity 2 include/linux/uaccess.h:copy_from_user Cyclomatic Complexity 2 include/linux/uaccess.h:copy_to_user Cyclomatic Complexity 1 include/linux/uaccess.h:pagefault_disabled Cyclomatic Complexity 1 include/linux/sched/signal.h:signal_pending Cyclomatic Complexity 2 include/linux/sched/signal.h:test_and_clear_restore_sigmask Cyclomatic Complexity 2 include/linux/sched/signal.h:restore_saved_sigmask Cyclomatic Complexity 3 include/linux/sched/signal.h:restore_saved_sigmask_unless Cyclomatic Complexity 1 include/linux/sched/signal.h:task_rlimit Cyclomatic Complexity 1 include/linux/sched/signal.h:rlimit Cyclomatic Complexity 2 include/linux/sched/rt.h:rt_prio Cyclomatic Complexity 1 include/linux/sched/rt.h:rt_task Cyclomatic Complexity 1 include/linux/fs.h:get_file Cyclomatic Complexity 8 include/linux/overflow.h:__ab_c_size Cyclomatic Complexity 1 include/linux/mm.h:kvmalloc Cyclomatic Complexity 1 include/linux/poll.h:init_poll_funcptr Cyclomatic Complexity 2 include/linux/poll.h:vfs_poll Cyclomatic Complexity 1 include/linux/poll.h:mangle_poll Cyclomatic Complexity 1 include/linux/poll.h:demangle_poll Cyclomatic Complexity 2 include/linux/file.h:fdput Cyclomatic Complexity 1 include/linux/file.h:__to_fd Cyclomatic Complexity 1 include/linux/file.h:fdget Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_type Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 4 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/compat.h:in_compat_syscall Cyclomatic Complexity 1 include/linux/sched/clock.h:local_clock Cyclomatic Complexity 1 include/net/busy_poll.h:net_busy_loop_on Cyclomatic Complexity 1 include/net/busy_poll.h:busy_loop_current_time Cyclomatic Complexity 5 include/net/busy_poll.h:busy_loop_timeout Cyclomatic Complexity 4 fs/select.c:__estimate_accuracy Cyclomatic Complexity 3 fs/select.c:get_fd_set Cyclomatic Complexity 2 fs/select.c:set_fd_set Cyclomatic Complexity 1 fs/select.c:zero_fd_set Cyclomatic Complexity 9 fs/select.c:max_select_fd Cyclomatic Complexity 3 fs/select.c:wait_key_set Cyclomatic Complexity 1 fs/select.c:__do_sys_select Cyclomatic Complexity 1 fs/select.c:__se_sys_select Cyclomatic Complexity 16 fs/select.c:__do_sys_pselect6 Cyclomatic Complexity 1 fs/select.c:__se_sys_pselect6 Cyclomatic Complexity 16 fs/select.c:__do_sys_pselect6_time32 Cyclomatic Complexity 1 fs/select.c:__se_sys_pselect6_time32 Cyclomatic Complexity 2 fs/select.c:__do_sys_old_select Cyclomatic Complexity 1 fs/select.c:__se_sys_old_select Cyclomatic Complexity 4 fs/select.c:do_pollfd Cyclomatic Complexity 4 fs/select.c:__do_sys_poll Cyclomatic Complexity 1 fs/select.c:__se_sys_poll Cyclomatic Complexity 1 fs/select.c:__do_sys_ppoll Cyclomatic Complexity 1 fs/select.c:__se_sys_ppoll Cyclomatic Complexity 1 fs/select.c:__do_sys_ppoll_time32 Cyclomatic Complexity 1 fs/select.c:__se_sys_ppoll_time32 Cyclomatic Complexity 1 fs/select.c:__pollwake Cyclomatic Complexity 3 fs/select.c:pollwake Cyclomatic Complexity 5 fs/select.c:poll_get_entry vim +/set_compat_user_sigmask +1089 fs/select.c 1058 1059 static int do_sys_ppoll(struct pollfd __user *ufds, unsigned int nfds, 1060 void __user *tsp, const void __user *sigmask, 1061 size_t sigsetsize, enum poll_time_type pt_type) 1062 { 1063 struct timespec64 ts, end_time, *to = NULL; 1064 int ret; 1065 1066 if (tsp) { 1067 switch (pt_type) { 1068 case PT_TIMESPEC: 1069 if (get_timespec64(&ts, tsp)) 1070 return -EFAULT; 1071 break; 1072 case PT_OLD_TIMESPEC: 1073 if (get_old_timespec32(&ts, tsp)) 1074 return -EFAULT; 1075 break; 1076 default: 1077 WARN_ON_ONCE(1); 1078 return -ENOSYS; 1079 } 1080 1081 to = &end_time; 1082 if (poll_select_set_timeout(to, ts.tv_sec, ts.tv_nsec)) 1083 return -EINVAL; 1084 } 1085 1086 if (!in_compat_syscall()) 1087 ret = set_user_sigmask(sigmask, sigsetsize); 1088 else > 1089 ret = set_compat_user_sigmask(sigmask, sigsetsize); 1090 1091 if (ret) 1092 return ret; 1093 1094 ret = do_sys_poll(ufds, nfds, to); 1095 return poll_select_finish(&end_time, tsp, pt_type, ret); 1096 } 1097 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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