On Wed, Feb 12, 2020 at 09:32:34AM -0500, Steven Rostedt wrote: > I've been trying to get rid of notrace around the kernel, not add more. As is abundantly clear, I hope, we really need more this time. You want to trace RCU itself, the concequence is we _MUST_NOT_ trace the early NMI code until we can distinguish we're *in* NMI code. There really is no 2 way about it; and I'm not going to wait until some poor sucker trips over it.