Re: KVM: x86/xen: Allow 'out of range' event channel ports in IRQ routing table.
From: Sean Christopherson
Date: Tue Jun 24 2025 - 15:38:51 EST
On Thu, 08 May 2025 13:30:12 -0700, David Woodhouse wrote:
> To avoid imposing an ordering constraint on userspace, allow 'invalid'
> event channel targets to be configured in the IRQ routing table.
>
> This is the same as accepting interrupts targeted at vCPUs which don't
> exist yet, which is already the case for both Xen event channels *and*
> for MSIs (which don't do any filtering of permitted APIC ID targets at
> all).
>
> [...]
Applied to kvm-x86 fixes, thanks!
[1/1] KVM: x86/xen: Allow 'out of range' event channel ports in IRQ routing table.
https://github.com/kvm-x86/linux/commit/a7f4dff21fd7
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https://github.com/kvm-x86/kvm-unit-tests/tree/next