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

[Ingo Molnar <mingo@xxxxxxxxxx>]

* 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?

        Ingo

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