Re: [PATCH] paravirt.h

From: Andi Kleen
Date: Wed Aug 23 2006 - 05:03:54 EST

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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