Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMDTrinity systems

[Borislav Petkov]

On Wed, Jun 06, 2012 at 11:27:13AM +0200, Ingo Molnar wrote:
> 
> * H. Peter Anvin <hpa@xxxxxxxxx> wrote:
> 
> > On 05/30/2012 03:33 PM, Konrad Rzeszutek Wilk wrote:
> > > diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
> > > index 75f33b2..e74df95 100644
> > > --- a/arch/x86/xen/enlighten.c
> > > +++ b/arch/x86/xen/enlighten.c
> > > @@ -1116,7 +1116,10 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = {
> > >  	.wbinvd = native_wbinvd,
> > >  
> > >  	.read_msr = native_read_msr_safe,
> > > +	.rdmsr_regs = native_rdmsr_safe_regs,
> > >  	.write_msr = xen_write_msr_safe,
> > > +	.wrmsr_regs = native_wrmsr_safe_regs,
> > > +
> > >  	.read_tsc = native_read_tsc,
> > >  	.read_pmc = native_read_pmc,
> > >  
> > 
> > Okay, tell me again:
> > 
> > why do we have these hooks again?  Can we please weed out 
> > paravirt methods that have no users?
> 
> ping?

I think we solved all that and hpa wanted to queue them up shortly:

http://marc.info/?l=linux-kernel&m=133856342618027&w=2

If it's easier, I can send you a pull request later.

Thanks.

-- 
Regards/Gruss,
    Boris.
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