Re: [Xen-devel] EPT question - XENMEM_get_access_op

[Balbir Singh <bsingharora@xxxxxxxxx>]

[snip]
On Fri, Feb 20, 2015 at 5:21 PM, Jan Beulich <JBeulich@xxxxxxxx> wrote:
>> Thanks Jan! Is there a way for a memevents channel consumer to get
>> access to the L1 (OS Page tables).
>
> Hardly.
>
>> I presume we'll need to walk the
>> page tables, I suspect the current access_op is broken without it and
>> may not be returning anything meaningful in most of the cases
>
> It's not broken in any way, you just seem to have wrong expectations.


Probably, because I am interested in the final protection as seen by
an application or kernel and I'm trying to find a way to get that
information. For me the effective permission set is of interest.

Balbir

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