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Re: [Xen-devel] CONFIG_XEN_COMPAT_030002 broken?



On 14/11/06 11:14, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

>> By the way, the test of whether to poke in PAGE_USER can be done by looking
>> at one of the initial mappings provided by the domain builder. If one of
>> those ptes contains PAGE_USER, you know you need to use PAGE_USER for all
>> kernel mappings.
> 
> How would this work? adjust_guest_l1e() (and BASE_PROT for dom0) forces
> PAGE_USER on even on 3.0.3, so I still shouldn't find any L1 page table
> entries
> not having this bit set when looking at them from kernel code.

Oh, good point! Okay then the more straightforward XENVER_version check will
have to be used: 3.0.3 and newer, versus 3.0.2 and older.

 -- Keir


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