Re: [Xen-devel] [PATCH v5 1/9] libxc: reorganize domain builder guest memory allocator

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Nov 12, 2015 at 02:43:28PM +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>

If you've tested and confirmed pvgrub (stubdom based grub) doesn't
break:

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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