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Re: [Xen-devel] [PATCH] x86/evtchn: Restrict the ops usable in do_event_channel_op_compat()



On Tue, Jul 18, 2017 at 03:23:45PM +0100, Andrew Cooper wrote:
> This hypercall is unused by guests these days, but there was no prevention of
> usable subops.  The following ops have been restricted, as there is no
> suitable structure in the evntchn_op union.
> 
>   EVTCHNOP_reset
>   EVTCHNOP_init_control
>   EVTCHNOP_expand_array
>   EVTCHNOP_set_priority
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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

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