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Re: [Xen-devel] [PATCH RFC 5/9] xen: Support for VMCALL mem_events
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx
- From: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
- Date: Wed, 02 Jul 2014 18:59:38 +0300
- Cc: tim@xxxxxxx
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- Delivery-date: Wed, 02 Jul 2014 15:59:12 +0000
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On 07/02/2014 06:54 PM, Andrew Cooper wrote:
> On 02/07/14 14:33, Razvan Cojocaru wrote:
>> Added support for VMCALL events (the memory introspection library
>> will have the guest trigger VMCALLs, which will then be sent along
>> via the mem_event mechanism).
>>
>> Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
>
> Am I correct in concluding that this is an escape mechanism for
> something inside the guest to trap to the toolstack userspace monitoring
> the guest?
Yes.
Thanks,
Razvan Cojocaru
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