Messages in this thread | | | Date | Wed, 12 Feb 2020 16:21:00 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 0/8] tracing vs rcu vs nmi |
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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.
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