Re: [Xen-devel] [PATCH 09/15] x86/emul: Avoid raising faults behind the emulators back

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 24.11.16 at 11:46, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 24/11/16 10:43, Jan Beulich wrote:
>>>>> On 23.11.16 at 17:58, <andrew.cooper3@xxxxxxxxxx> wrote:
>>> Longterm the plan is to fully split the decode and emulate calls even
>>> for external callers,
>> This is news to me - why would that be? My PV priv-op series will
>> add a hook called between decode and execute, but I don't see
>> why we should bother all callers with invoking decode and execute
>> separately.
> 
> Having an audit hook is also fine.  It achieves the same overall effect.
> 
> Without seeing how you planned to do this, I was referring back to the
> discussion which was had at the April Hackathon.

Oh, I see. We actually did briefly discuss the hook later (see e.g.
lists.xenproject.org/archives/html/xen-devel/2016-09/msg03367.html),
and it doesn't make much sense for me to post v3 without your
XSA-191 follow-up finished and in place.

Jan


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