Re: [Xen-devel] [PATCH] libxl: disallow PCI device assignment for HVM guest when PoD is enabled

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2014-01-13 at 11:45 +0000, Wei Liu wrote:
> On Mon, Jan 13, 2014 at 11:11:20AM +0000, Ian Campbell wrote:
> > On Mon, 2014-01-13 at 10:54 +0000, Wei Liu wrote:
> > > Any more comments on code logic and / or the location of the new
> > > snippet? Should I send a new version with code comment fixed?
> > > [...] 
> > > > +    /* If target_memkb is smaller than max_memkb, the subsequent call
> > > > +     * to libxc when building HVM domain will enable PoD mode.
> > > > +     */
> > > > +    pod_enabled = (d_config->c_info.type == LIBXL_DOMAIN_TYPE_HVM) &&
> > > > +        (d_config->b_info.target_memkb < d_config->b_info.max_memkb);
> > 
> > I suppose this corresponds to exactly when PoD would be enabled?
> > 
> 
> Yes. In libxc if maxmem > target_mem then pod_mode is set. See
> tools/libxc/xc_hvm_build_x86.c:setup_guest.

Putting this into a common place might be a nice future cleanup...

Ian.


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel