Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] paravirt.h | Date | Wed, 23 Aug 2006 11:06:26 +0200 |
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On Wednesday 23 August 2006 11:01, Zachary Amsden wrote: > Andi Kleen wrote: > >> Yes, after discussion with Rusty, it appears that beefing up > >> stop_machine_run is the right way to go. And it has benefits for > >> non-paravirt code as well, such as allowing plug-in kprobes or oprofile > >> extension modules to be loaded without having to deal with a debug > >> exception or NMI during module load/unload. > >> > > > > I'm still unclear where you think those debug exceptions will come from > > kprobes set in the stop_machine code - which is probably a really bad > idea, but nothing today actively stops kprobes from doing that.
kprobes don't cause any debug exceptions. You mean int3?
Anyways this can be fixed by marking the stop machine code __kprobes
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