Re: [Xen-devel] PoD in other (not GPLPV) drivers

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

We tested a wide range of memory parameters for the Citrix PV drivers
on XenServer.  I just asked the guy in charge of that, and he said
that they were able to reliably boot w2k8x32 with memory=128MiB and
maxmem=1024MiB.

I know we had to do make some changes to move the balloon driver
allocation further back in the boot process to make that happen; but
I'm not familiar with the details.  Paul would be the person to ask
about that.

 -George

On Sun, Feb 27, 2011 at 1:47 AM, James Harper
<james.harper@xxxxxxxxxxxxxxxx> wrote:
> I'm looking at PoD support in GPLPV. There was a bug preventing the
> initial balloon down of DomU which I've now fixed, but it's still a bit
> of a race with Windows to try and balloon down the pages before Windows
> tries to use them. Under Windows 2008 x32, memory=512 + maxmem=1024 is
> enough to crash the system just after my DriverEntry is called.
>
> Do other Windows PV drivers support PoD? Under what scenarios? I'm
> trying to figure out how achievable this is.
>
> Thanks
>
> James
>
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