Re: [Xen-devel] [PATCH] VMX: XSA-60 workaround

["Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>]

Jan Beulich wrote on 2013-08-20:
>>>> On 20.08.13 at 09:34, "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx> wrote:
>> Yes. Another solution is that to prepare a new EPT table with
>> setting UC in all entries. When guest set CD, then just change the
>> EPTP to point to the new table. And back to old EPT table when guest clear 
>> it.
> 
> Consuming how much extra memory for e.g. a 1Tb guest?
Memory shouldn't be a problem in such platform. Also, modern CPUs already 
support the 1G EPT page size.

> 
> Jan


Best regards,
Yang



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