Re: [Xen-devel] [v8][PATCH 02/17] introduce XEN_DOMCTL_set_rdm

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Dec 09, 2014 at 08:33:56AM +0000, Jan Beulich wrote:
> >>> On 09.12.14 at 02:06, <tiejun.chen@xxxxxxxxx> wrote:
> >>>> Also how does this work with 32-bit dom0s? Is there a need to use the
> >>>> compat layer?
> >>>
> >>> Are you saying in xsm case? Others?
> >>>
> >>> Actually this new DOMCTL is similar with XEN_DOMCTL_assign_device in some
> >>> senses but I don't see such an issue you're pointing.
> >>
> >> I was thinking about the compat layer and making sure it works properly.
> > 
> > Do we really need this consideration? I mean I referred to that existing 
> > XEN_DOMCTL_assign_device to implement this new DOMCTL, but looks there's 
> > nothing related to this point.
> > 
> > Or could you make your thought clear to me with an exiting example? Then 
> > I can take a look at what exactly should be taken in my new DOMCTL since 
> > I'm a fresh man to work out this properly inside xen.
> 
> I think Konrad got a little confused here - domctl-s intentionally are
> structured so that they don't need a compat translation layer.

Ah! Thank you for that reminder!
> 
> Jan
> 

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