Re: [Xen-devel] [PATCH V2 9/25] tools/libxl: build DMAR table for a guest with one virtual VTD

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Aug 18, 2017 at 07:56:36AM -0600, Jan Beulich wrote:
> >>> On 18.08.17 at 15:45, <wei.liu2@xxxxxxxxxx> wrote:
> > On Fri, Aug 18, 2017 at 01:45:50PM +0800, Chao Gao wrote:
> >> >
> >> >> > +            }
> >> >> > +        }
> >> >> > +    }
> >> >> 
> >> >> This still looks wrong to me. How do you know acpi_modules[0] is DMAR
> >> >> table?
> >> >> 
> >> >
> >> >Oh, I sorta see why you do this, but I still think this is wrong. The
> >> >DMAR should either be a new module or be joined to the existing one (and
> >> >with all conflicts resolved).
> >> 
> >> Hi, Wei
> >> Thanks for your comments.
> >> 
> >> iirc, HVM only supports one module;
> > 
> > This is indeed how it is stated in various comments. I'm not sure why
> > there is such restriction. Maybe x86 maintainers can shed more light on
> > this?
> 
> Not me, sorry. Maybe ask whoever has written that code?
> 

OK. I have misunderstood the restriction was from hvmloader.

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