Re: [Xen-devel] [PATCH for-next v3 9/9] x86: introduce CONFIG_HYPERV and detection code

[Wei Liu <wl@xxxxxxx>]

On Wed, Oct 23, 2019 at 10:07:24AM +0100, Paul Durrant wrote:
> On Mon, 21 Oct 2019 at 17:01, Wei Liu <wl@xxxxxxx> wrote:
> >
> > We use the same code structure as we did for Xen.
> >
> > As starters, detect Hyper-V in probe routine. More complex
> > functionalities will be added later.
> >
> > Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>
> 
> Reviewed-by: Paul Durrant <paul@xxxxxxx>

Thanks.

[...]
> > diff --git a/xen/arch/x86/guest/hypervisor.c 
> > b/xen/arch/x86/guest/hypervisor.c
> > index a666ad9526..17392d1ffa 100644
> > --- a/xen/arch/x86/guest/hypervisor.c
> > +++ b/xen/arch/x86/guest/hypervisor.c
> > @@ -43,6 +43,14 @@ bool hypervisor_probe(void)
> >      }
> >  #endif
> >
> 
> Add a comment here to point out that hyperv_probe() needs to be called
> after xen_probe() to avoid a false positive due to viridian support.
> 

Yes I can do that.

Wei.  

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