Re: [Xen-devel] dom0 pvops and rearranging memory layout

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.01.15 at 13:08, <JGross@xxxxxxxx> wrote:
> On 01/23/2015 01:03 PM, Jan Beulich wrote:
>>>>> On 23.01.15 at 12:35, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> I wonder whether it might be reasonable to extend contruct_dom0/libelf
>>> to avoid constructing a p2m where pfns of built data (kernel, initrd,
>>> p2m and initial pagetables) aliased with host io regions.
>>
>> For one, the problem goes away to 99.999% if using the advanced
>> capabilities of relocating the P2M and not mapping the initrd at all.
> 
> No, it does not. I'm doing both and the systems dies at once.
> 
> Even relocating the P2M to another virtual address and not mapping
> the initrd won't help if the related PFNs are relocated and, even worse,
> are made available for new memory allocations.

Oh, right, the placement in VA space doesn't matter here.

Jan


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