linux-kernel - Re: [PATCH 0/5] KVM: nVMX: Honor event priority for PI ack at VM-Enter

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Message-ID: <173457535127.3292703.12404941670560786467.b4-ty@google.com>
Date: Wed, 18 Dec 2024 18:41:04 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Chao Gao <chao.gao@...el.com>
Subject: Re: [PATCH 0/5] KVM: nVMX: Honor event priority for PI ack at VM-Enter

On Fri, 01 Nov 2024 12:14:42 -0700, Sean Christopherson wrote:
> Rework and cleanup KVM's event handling during nested VM-Enter emulation,
> and ultimately fix a bug where KVM doesn't honor event priority when
> delivering a nested posted interrupt.  Specifically, if there is a posted
> interrupt *notification* IRQ in L1's vIRR, the IRQ should not be acked by
> the CPU if a higher priority event is recognized after VM-Enter (which
> unblocks L1 IRQs).
> 
> [...]

Applied to kvm-x86 vmx, thanks!

[1/5] KVM: nVMX: Explicitly update vPPR on successful nested VM-Enter
      https://github.com/kvm-x86/linux/commit/637df11290b3
[2/5] KVM: nVMX: Check for pending INIT/SIPI after entering non-root mode
      https://github.com/kvm-x86/linux/commit/3d0e20e45378
[3/5] KVM: nVMX: Drop manual vmcs01.GUEST_INTERRUPT_STATUS.RVI check at VM-Enter
      https://github.com/kvm-x86/linux/commit/2732f6a7ccee
[4/5] KVM: nVMX: Use vmcs01's controls shadow to check for IRQ/NMI windows at VM-Enter
      https://github.com/kvm-x86/linux/commit/1a265986bff6
[5/5] KVM: nVMX: Honor event priority when emulating PI delivery during VM-Enter
      https://github.com/kvm-x86/linux/commit/ce5cdfb49813

--
https://github.com/kvm-x86/linux/tree/next