Re: [Xen-devel] [PATCH v6] x86/hvm: Allow guest_request vm_events coming from userspace

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Aug 17, 2017 at 02:50:19PM +0300, Alexandru Isaila wrote:
> In some introspection usecases, an in-guest agent needs to communicate
> with the external introspection agent.  An existing mechanism is
> HVMOP_guest_request_vm_event, but this is restricted to kernel usecases
> like all other hypercalls.
> 
> Introduce a mechanism whereby the introspection agent can whitelist the
> use of HVMOP_guest_request_vm_event directly from userspace.
> 
> Signed-off-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
> 
> ---
> Changes since V5:
>       - Added the bool allow_userspace to the xc_monitor_guest_request
>        function
> ---
>  tools/libxc/include/xenctrl.h |  2 +-
>  tools/libxc/xc_monitor.c      |  3 ++-

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel