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Re: [Xen-devel] [PATCH v4 1/9] libxc: reorganize domain builder guest memory allocator



On Thu, 2015-11-12 at 11:14 +0000, Wei Liu wrote:
> On Thu, Nov 05, 2015 at 03:36:27PM +0100, Juergen Gross wrote:
> > Guest memory allocation in the domain builder of libxc is done via
> > virtual addresses only. In order to be able to support preallocated
> > areas not virtually mapped reorganize the memory allocator to keep
> > track of allocated pages globally and in allocated segments.
> > 
> > This requires an interface change of the allocate callback of the
> > domain builder which currently is using the last mapped virtual
> > address as a parameter. This is no problem as the only user of this
> > callback is stubdom/grub/kexec.c using this virtual address to
> > calculate the last used pfn.
> > 
> > Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
> 
> One question: did you test building with pygrub after this change? I
> think the code is correct but we'd better be sure it doesn't break
> pygrub.

Did you mean pvgrub? (with a Vee)

pygrub (with a Why) runs way before the libxc domain builder gets in on the
act, doesn't it.

Ian.

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