On 5/6/21 9:43 AM, Mark Brown wrote: > On Mon, May 03, 2021 at 12:36:15PM -0500, madvenka@xxxxxxxxxxxxxxxxxxx wrote: >> From: "Madhavan T. Venkataraman" <madvenka@xxxxxxxxxxxxxxxxxxx> >> >> The Function Graph Tracer modifies the return address of a traced function >> to a return trampoline (return_to_handler()) to gather tracing data on >> function return. When the unwinder encounters return_to_handler(), it calls >> ftrace_graph_get_ret_stack() to lookup the original return address in the >> return address stack. > > This makes sense to me, I'll need to re-review properly with the changes > earlier on in the series but should be fine. > I will make changes based on the comments I have received so far and send out version 4 so everything is current for the next round of review. Thanks! Madhavan
