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Re: [Xen-devel] [PATCH] x86/amd: fix crash as Xen Dom0 on AMD Trinity systems
- To: Borislav Petkov <bp@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Jacob Shin <jacob.shin@xxxxxxx>, Andre Przywara <andre.przywara@xxxxxxx>, jeremy@xxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Jan Beulich <JBeulich@xxxxxxxx>, mingo@xxxxxxx, tglx@xxxxxxxxxxxxx
- From: Ingo Molnar <mingo@xxxxxxxxxx>
- Date: Wed, 6 Jun 2012 11:45:18 +0200
- Delivery-date: Wed, 06 Jun 2012 10:20:42 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xen.org>
* Borislav Petkov <bp@xxxxxxxxx> wrote:
> 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
Great, will wait for hpa then.
Thanks,
Ingo
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