Re: [PATCH v4] x86/xen: Add support for HVMOP_set_evtchn_upcall_vector

[Juergen Gross <jgross@xxxxxxxx>]

On 29.07.22 09:04, Jane Malalane wrote:
> Implement support for the HVMOP_set_evtchn_upcall_vector hypercall in
> order to set the per-vCPU event channel vector callback on Linux and
> use it in preference of HVM_PARAM_CALLBACK_IRQ.
>
> If the per-VCPU vector setup is successful on BSP, use this method
> for the APs. If not, fallback to the global vector-type callback.
>
> Also register callback_irq at per-vCPU event channel setup to trick
> toolstack to think the domain is enlightened.
>
> Suggested-by: "Roger Pau Monné" <roger.pau@xxxxxxxxxx>
> Signed-off-by: Jane Malalane <jane.malalane@xxxxxxxxxx>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Pushed to xen/tip.git for-linus-6.0


Juergen

Attachment: OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key

Attachment: OpenPGP_signature
Description: OpenPGP digital signature