Messages in this thread | | | Date | Fri, 21 Nov 2014 17:45:00 -0500 | From | Steven Rostedt <> | Subject | Re: frequent lockups in 3.18rc4 |
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On Fri, 21 Nov 2014 22:50:41 +0100 Frederic Weisbecker <fweisbec@gmail.com> wrote: \ > > Otherwise if we have a page fault inside do_page_fault, it's just a > > nested page fault. > > Oh ok! > > But we still have the cr2 issue that Steve talked about. >
Nope, as I looked at the code, I noticed that do_page_fault isn't traced which is the wrapper for __do_page_fault which is. And do_page_fault() saves off the cr2 before calling anything else.
So we are ok in this respect as well.
-- Steve
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