Re: [RFC PATCH v1 20/25] hw/xen: Hook up emulated implementation for event channel operations

[Paul Durrant <xadimgnik@xxxxxxxxx>]

On 02/03/2023 15:34, David Woodhouse wrote:
> From: David Woodhouse <dwmw@xxxxxxxxxxxx>
>
> We provided the backend-facing evtchn functions very early on as part of
> the core Xen platform support, since things like timers and xenstore need
> to use them.
>
> By what may or may not be an astonishing coincidence, those functions
> just *happen* all to have exactly the right function prototypes to slot
> into the evtchn_backend_ops table and be called by the PV backends.
It is indeed an amazing coincidence :-)

> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
>   hw/i386/kvm/xen_evtchn.c | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
Reviewed-by: Paul Durrant <paul@xxxxxxx>