[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH] support 1gb pages in guest page table walker

>>> On 25.07.11 at 11:19, Christoph Egger <Christoph.Egger@xxxxxxx> wrote:
> On 07/22/11 17:43, Jan Beulich wrote:
>>>>> On 22.07.11 at 16:51, Christoph Egger<Christoph.Egger@xxxxxxx>  wrote:
>>> Support 1gb pages in guest page table walker.
>> Why do you do this for GUEST_PAGING_LEVELS>= 3 rather than
> Xen can run in 32bit PAE mode but the guest in 64bit mode.

But that is what distinguishes GUEST_PAGING_LEVELS from
CONFIG_PAGING_LEVELS - you're allowing a PAE *guest* to use
1Gb mappings, no matter what host it runs on.


> We can still change this when 32bit support is actually dropped.
> Christoph

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.