entry: Kill ARCH_SYSCALL_WORK_{ENTER,EXIT}

Nowadays nothing redefines these flags.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://patch.msgid.link/advfWWKgOQkFkwp9@redhat.com

Author: oleg-nesterov

include/linux/entry-common.h

@@ -20,31 +20,21 @@
 /*
  * SYSCALL_WORK flags handled in syscall_enter_from_user_mode()
  */
-#ifndef ARCH_SYSCALL_WORK_ENTER
-# define ARCH_SYSCALL_WORK_ENTER	(0)
-#endif
-
-/*
- * SYSCALL_WORK flags handled in syscall_exit_to_user_mode()
- */
-#ifndef ARCH_SYSCALL_WORK_EXIT
-# define ARCH_SYSCALL_WORK_EXIT		(0)
-#endif
-
 #define SYSCALL_WORK_ENTER	(SYSCALL_WORK_SECCOMP |			\
 				 SYSCALL_WORK_SYSCALL_TRACEPOINT |	\
 				 SYSCALL_WORK_SYSCALL_TRACE |		\
 				 SYSCALL_WORK_SYSCALL_EMU |		\
 				 SYSCALL_WORK_SYSCALL_AUDIT |		\
 				 SYSCALL_WORK_SYSCALL_USER_DISPATCH |	\
-				 SYSCALL_WORK_SYSCALL_RSEQ_SLICE |	\
-				 ARCH_SYSCALL_WORK_ENTER)
+				 SYSCALL_WORK_SYSCALL_RSEQ_SLICE)
+/*
+ * SYSCALL_WORK flags handled in syscall_exit_to_user_mode()
+ */
 #define SYSCALL_WORK_EXIT	(SYSCALL_WORK_SYSCALL_TRACEPOINT |	\
 				 SYSCALL_WORK_SYSCALL_TRACE |		\
 				 SYSCALL_WORK_SYSCALL_AUDIT |		\
 				 SYSCALL_WORK_SYSCALL_USER_DISPATCH |	\
-				 SYSCALL_WORK_SYSCALL_EXIT_TRAP	|	\
-				 ARCH_SYSCALL_WORK_EXIT)
+				 SYSCALL_WORK_SYSCALL_EXIT_TRAP)
 
 /**
  * arch_ptrace_report_syscall_entry - Architecture specific ptrace_report_syscall_entry() wrapper