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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

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.

Wei.

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