xtensa: call do_syscall_trace_{enter,leave} selectively
authorMax Filippov <jcmvbkbc@gmail.com>
Fri, 16 Nov 2018 03:33:47 +0000 (19:33 -0800)
committerMax Filippov <jcmvbkbc@gmail.com>
Mon, 17 Dec 2018 21:48:21 +0000 (13:48 -0800)
commit3aee3e25deeab083df21012060c98e9987ac9177
tree002a976fa81d491e15de918c90677eaccf9cd308
parent6a986984b63990c80252b2208036fe731a6ae113
xtensa: call do_syscall_trace_{enter,leave} selectively

Check whether calls to do_syscall_trace_{enter,leave} are necessary in
the system_call function. Define _TIF_WORK_MASK to a bitmask of flags
that reuire the calls. Fix comment.

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