Re: [Xen-devel] [PATCH] hvm: handle PoD and grant pages in HVMOP_get_mem_type

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 22.10.12 at 18:13, Tim Deegan <tim@xxxxxxx> wrote:
> At 17:33 +0200 on 22 Oct (1350927213), Olaf Hering wrote:
>> On Mon, Oct 22, Tim Deegan wrote:
>> 
>> > At 16:09 +0200 on 19 Oct (1350662980), Olaf Hering wrote:
>> > > hvm: handle PoD and grant pages in HVMOP_get_mem_type
>> > > 
>> > > During kexec in a ballooned PVonHVM guest the new kernel needs to check
>> > > each pfn if its backed by a mfn to find ballooned pages. Currently all
>> > > PoD and grant pages will appear as HVMMEM_mmio_dm, so the new kernel has
>> > > to assume they are ballooned. This is wrong: PoD pages may turn into
>> > > real RAM at runtime, grant pages are also RAM.
>> > > 
>> > > Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
>> > 
>> > Applied, thanks.
>> 
>> Would you backport this to 4.2 and 4.1?
> 
> Actually, I don't handle backports.  IIRC Jan owns 4.2-testing and Keir
> 4.1-testing; I've CC'd them both.

Actually, I handle both and will take care of it within the next few
days (hopefully before the end of the week).

Jan


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