Re: [Xen-devel] [PATCH v4 2/4] x86/compat: Test both PV and PVH guests for compat mode

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.09.15 at 16:01, <boris.ostrovsky@xxxxxxxxxx> wrote:
> On 09/02/2015 09:13 AM, Jan Beulich wrote:
>>>>> On 02.09.15 at 14:31, <boris.ostrovsky@xxxxxxxxxx> wrote:
>>> (I haven't considered non-PAE case, TBH)
>> But I'm afraid you need to.
> 
> Actually, at least for Linux, CONFIG_XEN 'depends on X86_64 || (X86_32 
> && X86_PAE)'. And I don't know whether there are any other OSs (i.e. 
> FreeBSD) that are going to ever support 32-bit PVH-classic (Roger might 
> correct me on that).

That's fine, but then at least you should make sure 32-bit PVH
guests can't leave PAE mode.

Jan


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