diff options
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 0b0a190..ed08ac1 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -566,8 +566,19 @@ ARC_ENTRY ret_from_fork ; when the forked child comes here from the __switch_to function ; r0 has the last task pointer. ; put last task in scheduler queue - bl @schedule_tail - b @ret_from_exception + bl @schedule_tail + + ; If kernel thread, jump to it's entry-point + ld r9, [sp, PT_status32] + brne r9, 0, 1f + + jl.d [r14] + mov r0, r13 ; arg to payload + +1: + ; special case of kernel_thread entry point returning back due to + ; kernel_execve() - pretend return from syscall to ret to userland + b ret_from_exception ARC_EXIT ret_from_fork ;################### Special Sys Call Wrappers ########################## |