xtensa: use NO_SYSCALL instead of -1
authorMax Filippov <jcmvbkbc@gmail.com>
Fri, 9 Nov 2018 23:43:14 +0000 (15:43 -0800)
committerMax Filippov <jcmvbkbc@gmail.com>
Mon, 17 Dec 2018 21:48:21 +0000 (13:48 -0800)
commit6a986984b63990c80252b2208036fe731a6ae113
tree93928de818b2f3dd98d22bcb68da781d95c6d44b
parent98c3115a4ec56f03056efd9295e0fcb4c5c57a85
xtensa: use NO_SYSCALL instead of -1

For the sake of clarity define macro NO_SYSCALL and use it for
setting/checking struct pt_regs::syscall field.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/include/asm/ptrace.h
arch/xtensa/kernel/entry.S
arch/xtensa/kernel/ptrace.c
arch/xtensa/kernel/signal.c