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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Nov 12, 2015 at 12:21:24PM +0100, Juergen Gross wrote:
> On 12/11/15 12:14, 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.
> 
> Yes, pygrub is being built in my environment.
> 

Sorry. I meant pvgrub.

You should be able to test it according to

  http://wiki.xenproject.org/wiki/PvGrub

The test is to make sure the change to stubdom/grub/* doesn't break
things.

Wei.

> 
> Juergen
> 

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