504 		if (likely(q->info.si_code != SI_TIMER)) {  in __flush_itimer_signals()
602 			(info->si_code == SI_TIMER) &&  in collect_signal()
615 		info->si_code = SI_USER;  in collect_signal()
735 		if ((q->info.si_code > SI_USER) &&  in dequeue_synchronous_signal()
1133 		override_rlimit = (is_si_special(info) || info->si_code >= 0);  in __send_signal_locked()
1146 			q->info.si_code = SI_USER;  in __send_signal_locked()
1159 			q->info.si_code = SI_KERNEL;  in __send_signal_locked()
1168 		   sig >= SIGRTMIN && info->si_code != SI_USER) {  in __send_signal_locked()
1212 	switch (siginfo_layout(info->si_signo, info->si_code)) {  in has_si_pid_and_uid()
1258 		force = (info->si_code == SI_KERNEL);  in send_signal_locked()
1572 	info.si_code = SI_ASYNCIO;  in kill_pid_usb_asyncio()
1679 	info.si_code = SI_KERNEL;  in force_sig()
1693 	info.si_code = SI_KERNEL;  in force_fatal_sig()
1706 	info.si_code = SI_KERNEL;  in force_exit_sig()
1735 	info.si_code  = code;  in force_sig_fault_to_task()
1761 	info.si_code  = code;  in send_sig_fault()
1779 	info.si_code = code;  in force_sig_mceerr()
1793 	info.si_code = code;  in send_sig_mceerr()
1807 	info.si_code  = SEGV_BNDERR;  in force_sig_bnderr()
1822 	info.si_code  = SEGV_PKUERR;  in force_sig_pkuerr()
1836 	info.si_code      = TRAP_PERF;  in send_sig_perf()
1869 	info.si_code = SYS_SECCOMP;  in force_sig_seccomp()
1888 	info.si_code  = TRAP_HWBKPT;  in force_sig_ptrace_errno_trap()
1903 	info.si_code  = code;  in force_sig_fault_trapno()
1920 	info.si_code  = code;  in send_sig_fault_trapno()
2010 		BUG_ON(q->info.si_code != SI_TIMER);  in send_sigqueue()
2101 		info.si_code = CLD_DUMPED;  in do_notify_parent()
2103 		info.si_code = CLD_KILLED;  in do_notify_parent()
2105 		info.si_code = CLD_EXITED;  in do_notify_parent()
2189  	info.si_code = why;  in do_notify_parent_cldstop()
2297 	if (info && info->si_code >> 8 == PTRACE_EVENT_STOP)  in ptrace_stop()
2362 	info.si_code = exit_code;  in ptrace_do_notify()
2609 		info->si_code = SI_USER;  in ptrace_signal()
2629 	switch (siginfo_layout(ksig->sig, ksig->info.si_code)) {  in hide_si_addr_tag_bits()
2637 			ksig->info.si_addr, ksig->sig, ksig->info.si_code);  in hide_si_addr_tag_bits()
3281 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()  argument
3283 	if (si_code == SI_KERNEL)  in known_siginfo_layout()
3285 	else if ((si_code > SI_USER)) {  in known_siginfo_layout()
3287 			if (si_code <= sig_sicodes[sig].limit)  in known_siginfo_layout()
3290 		else if (si_code <= NSIGPOLL)  in known_siginfo_layout()
3293 	else if (si_code >= SI_DETHREAD)  in known_siginfo_layout()
3295 	else if (si_code == SI_ASYNCNL)  in known_siginfo_layout()
3300 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()  argument
3303 	if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {  in siginfo_layout()
3305 		    (si_code <= sig_sicodes[sig].limit)) {  in siginfo_layout()
3309 			    (si_code >= BUS_MCEERR_AR) && (si_code <= BUS_MCEERR_AO))  in siginfo_layout()
3311 			else if ((sig == SIGSEGV) && (si_code == SEGV_BNDERR))  in siginfo_layout()
3314 			else if ((sig == SIGSEGV) && (si_code == SEGV_PKUERR))  in siginfo_layout()
3317 			else if ((sig == SIGTRAP) && (si_code == TRAP_PERF))  in siginfo_layout()
3320 				 (sig == SIGILL) && (si_code == ILL_ILLTRP))  in siginfo_layout()
3324 				  ((sig == SIGTRAP) && (si_code == TRAP_UNK))))  in siginfo_layout()
3327 		else if (si_code <= NSIGPOLL)  in siginfo_layout()
3330 		if (si_code == SI_TIMER)  in siginfo_layout()
3332 		else if (si_code == SI_SIGIO)  in siginfo_layout()
3334 		else if (si_code < 0)  in siginfo_layout()
3358 	if (unlikely(!known_siginfo_layout(info->si_signo, info->si_code))) {  in post_copy_siginfo_from_user()
3412 	to->si_code  = from->si_code;  in copy_siginfo_to_external32()
3413 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in copy_siginfo_to_external32()
3490 	to->si_code  = from->si_code;  in post_copy_siginfo_from_user32()
3491 	switch(siginfo_layout(from->si_signo, from->si_code)) {  in post_copy_siginfo_from_user32()
3783 	info->si_code = SI_USER;  in prepare_kill_siginfo()
3907 		    (kinfo.si_code >= 0 || kinfo.si_code == SI_TKILL))  in SYSCALL_DEFINE4()
3957 	info.si_code = SI_TKILL;  in do_tkill()
4004 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_sigqueueinfo()
4051 	if ((info->si_code >= 0 || info->si_code == SI_TKILL) &&  in do_rt_tgsigqueueinfo()