Re: [PATCH v2 33/35] x86/domain: implement domain_has_vuart()

[Denis Mukhin <dmkhn@xxxxxxxxx>]

On Tuesday, January 7th, 2025 at 7:16 AM, Roger Pau Monné 
<roger.pau@xxxxxxxxxx> wrote:

>
>
> On Sat, Jan 04, 2025 at 05:19:07AM +0000, Denis Mukhin wrote:
>
> > On Friday, December 13th, 2024 at 4:23 AM, Roger Pau Monné 
> > roger.pau@xxxxxxxxxx wrote:
> >
> > > Albeit PVH is kind of HVM.
> >
> > PVH does not have vPIC so there's some more work to enable vUART
> > for PVH on x86: emulator currently supports only ISA IRQs.
>
>
> But it does support vIO-APIC (as it's used for hardware PVH domain),
> so serial interrupts could still be delivered using the vIO-APIC if
> the guest has correctly configured the pin?

re: virtual I/O APIC: correct, that's what I meant by "more work":
I did not debug PVH in detail yet.

My plan is to enable PVH in a separate patch (timeline - v4, since v3
it out recently).

>
> Thanks, Roger.