Max Filippov 8b7a87a03f xtensa: expose syscall through user_pt_regs
Use one of the reserved slots in struct user_pt_regs to return syscall
number in the GPR regset. Update syscall number from the GPR regset only
when it's non-zero.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2020-07-28 00:57:05 -07:00
..
2019-09-25 17:51:41 -07:00