Messages in this thread | | | From | Roland McGrath <> | Subject | Re: [RFC PATCH 7/X] ptrace: mv task->parent ptrace_task->pt_tracer | Date | Wed, 27 May 2009 17:32:56 -0700 (PDT) |
| |
> This is optimization. If exit_code == 0 we do not need to fixup > ->last_siginfo. Note that we have another "child->exit_code = exit_code" > below in the slow path.
Ok, I see.
> > It can check for !child->last_siginfo before lock_task_sighand(). > > ptrace_stop() always sets ->last_siginfo != NULL.
Oh, right. It's only job control stops where it's NULL.
> OK, lets do this change later ;)
Agreed.
Thanks, Roland
| |