Re: [kvm-devel] [PATCH] Refactor hypercall infrastructure (v2)

[Avi Kivity]

Amit Shah wrote:
> * Anthony Liguori wrote:
>   
> > This patch refactors the current hypercall infrastructure to better support
> > live migration and SMP.  It eliminates the hypercall page by trapping the
> > UD exception that would occur if you used the wrong hypercall instruction
> > for the underlying architecture and replacing it with the right one lazily.
> >     
>
> This doesn't work right for SVM. It keeps looping indefinitely; on a kvm_stat 
> run, I get about 230,000 light vm exits per second, with the hypercall never 
> returning to the guest.
>   

I just tested kvm.git with (the new) hypercall.flat testcase.  Seems to 
work fine.

--
error compiling committee.c: too many arguments to function

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