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xen-devel
Re: [Xen-devel] RE: recreate monitor page table?
On 18/4/07 16:46, "Li, Xin B" <xin.b.li@xxxxxxxxx> wrote:
>> At 10:13 +0800 on 18 Apr (1176891228), Li, Xin B wrote:
>>> What's the intent to recreate monitor page table when shadow levels
>>> changes in sh_update_paging_modes?
>>
>> The monitor tables have to have a different layout in different shadow
>> paging modes so that linear maps of the shadows can work properly.
>>
>
> On x86_64, monitor page table should always be 4 level, and we can
> uninstall the old shadow linear entry and install new shadow paging mode
> entry, why even recreate the monitor top level page?
It could probably be optimised, but is it worth it?
-- Keir
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