[Qemu-devel] Re: [PATCH 4/4] KVM: Rework of guest debug state writing

[Marcelo Tosatti]

On Thu, Feb 04, 2010 at 08:00:26PM +0100, Jan Kiszka wrote:
> Jan Kiszka wrote:
> > Marcelo Tosatti wrote:
> >>
> >> Unrelated to this problem, won't put_vcpu_events, which is executed 
> >> after KVM_SET_GUEST_DEBUG, overwrite any queued debug exceptions?
> > 
> > Good point, SET_GUEST_DEBUG should be last in the writeback for that reason.
> 
> Actually, we no longer need the exception injection via SET_GUEST_DEBUG
> now that we have full access via vcpu_events. 

> So this needs a cleanup, and I'm afraid quite a few cases are broken
> ATM with vcpu_events writeback overwriting the reinjected exceptions.

Don't see what you mean here. Can you be more explicit? What breakage?