kernel/entry/common.c

1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/entry-common.h>
18 /* See comment for enter_from_user_mode() in entry-common.h */
60 			return -1L;  in syscall_trace_enter()
67 			return -1L;  in syscall_trace_enter()
70 	/* Do seccomp after ptrace, to catch any tracer changes. */  in syscall_trace_enter()
73 		if (ret == -1L)  in syscall_trace_enter()
97 	unsigned long work = READ_ONCE(current_thread_info()->syscall_work);  in __syscall_enter_from_user_work()
132 /* See comment for exit_to_user_mode() in entry-common.h */
183 		 * Disable interrupts and reevaluate the work flags as they  in exit_to_user_mode_loop()
244 		if (unlikely(current->syscall_dispatch.on_dispatch)) {  in syscall_exit_work()
245 			current->syscall_dispatch.on_dispatch = false;  in syscall_exit_work()
266 	unsigned long work = READ_ONCE(current_thread_info()->syscall_work);  in syscall_exit_to_user_mode_prepare()
279 	 * Do one-time syscall specific work. If these work items are  in syscall_exit_to_user_mode_prepare()