On Thu, 2007-02-08 at 11:24 +0800, Xu, Anthony wrote:
> Alex Williamson write on 2007年2月8日 4:00:
> > Hi Anthony,
> >
> > I think I found a bug in this patch. After saving and restoring a
> > PV domain a few times, I seem to be getting here with
> > v->arch.privregs == NULL. I'll see if I can figure out why that is,
> > but would appreciate if you could take a look as well. Thanks,
>
> Hi Alex,
>
> I think this is because arch_get_info_guest may be called before privregs
> are allocated.
>
> I propose we remove dcr from struct vcpu_extra_regs.
> I don't think dcr should be configurable.
>
> If you agree, I would like to do this patch.
Hi Anthony,
Ok, lets try it.
> BTW, turning on dcr.dm can gain 5% performance improvement on
> SPECINT2000, of cause SPECINT2000 is compiled by ICC.
Great, nice work. Thanks,
Alex
--
Alex Williamson HP Open Source & Linux Org.
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