Re: [PATCH v2 1/1] KVM: VMX: configure SVI during runtime APICv activation

[Sean Christopherson]

On Fri, Dec 05, 2025, Dongli Zhang wrote:
> > But they're most definitely NOT stable material.  So my plan is to grab this
> > and the below for 6.19, and then do the cleanup for 6.20 or later.
> > 
> > Oh, almost forgot.  We can also sink the hwapic_isr_update() call into
> > kvm_apic_update_apicv() and drop kvm_apic_update_hwapic_isr() entirely, which is
> > another argument for your approach.  That's actually a really good fit, because
> > that's where KVM parses the vISR when APICv is being _disabled_.
> > 
> > I'll post a v3 with everything tomorrow (hopefully) after running the changes
> > through more normal test flow.
> 
> Looking forward for how it looks like. The only concern is if it is simple
> enough to backport to prior older kernel version, i.e. v5.15.196.

Oh, the fixes for stable/LTS are literally your patches.  The other stuff is going
on top; I've no intention of it being backported to 6.18, let alone 5.15 :-)