Re: [Xen-devel] sources of freebsd with xen-4.2 kernel updates

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

On Mon, Dec 30, 2013 at 04:59:42PM +0400, Igor Kozhukhov wrote:
> On Dec 30, 2013, at 3:25 PM, Roger Pau Monné wrote:
> 
> > On 30/12/13 11:57, Igor Kozhukhov wrote:
> >> Hi Roger,
> >> 
> >> thanks for the link.
> >> I have the same/(similar the same) implementation on illumos(OpenSolaris).
> >> 
> >> do you have plans for grant table v1 & v2 implementation on FreeBSD ?
> > 
> > Grant table v1 is the current implementation, and I don't have plans
> > currently to add support for v2 (cannot speak of others though).
> > 
> > Linux has v2 implemented, but AFAIK there's no user of the new features
> > introduced by v2. Right now with v2 you just end up with less grants,
> > because v2 grants metadata use twice as much memory as v1 grants, and
> > the number of grant frames is limited by the hypervisor.
> > 
> 
> Thank you all for your info.
> 
> I have just tested it and can see that PV and HVM guests are using V1 if V2 
> not implemented on dom0 - for example: on xen-3.4 hypervisor.
> 
> well - my first step for xen-4.2 port to illumos based platform have progress 
> :)

Woot!
> after updates xen-4.2 public headers with grant tables and some additional 
> changes, PV and HVM guests works on xen-3.4 dom0.
> 
> i have DilOS(illumos based platform) with xen-3.4.5-pre1(latest updates on 
> 3.4) as dom0.
> i'm interested in xen-4.2 port with next updates to xen-4.4.
> 
> -Igor
> 
> 
> > Roger.
> > 
> 
> 
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