linux-kernel - Re: [PATCH v3 0/7] Enhance event delivery error handling

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Message-ID: <173457555486.3295983.11848882309599168611.b4-ty@google.com>
Date: Wed, 18 Dec 2024 18:40:46 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, bp@...en8.de, dave.hansen@...ux.intel.com, 
	mingo@...hat.com, pbonzini@...hat.com, shuah@...nel.org, tglx@...utronix.de, 
	Ivan Orlov <iorlov@...zon.com>
Cc: hpa@...or.com, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-kselftest@...r.kernel.org, x86@...nel.org, dwmw@...zon.co.uk, 
	pdurrant@...zon.co.uk, jalliste@...zon.co.uk
Subject: Re: [PATCH v3 0/7] Enhance event delivery error handling

On Tue, 17 Dec 2024 18:14:51 +0000, Ivan Orlov wrote:
> Currently, the unhandleable vectoring (e.g. when guest accesses MMIO
> during vectoring) is handled differently on VMX and SVM: on VMX KVM
> returns internal error, when SVM goes into infinite loop trying to
> deliver an event again and again.
> 
> This patch series eliminates this difference by returning a KVM internal
> error when KVM can't emulate during vectoring for both VMX and SVM.
> 
> [...]

Applied to kvm-x86 misc, thanks!  If you get a chance, please double check that
I didn't fat-finger anything.

[1/7] KVM: x86: Add function for vectoring error generation
      https://github.com/kvm-x86/linux/commit/11c98fa07a79
[2/7] KVM: x86: Add emulation status for unhandleable vectoring
      https://github.com/kvm-x86/linux/commit/5c9cfc486636
[3/7] KVM: x86: Unprotect & retry before unhandleable vectoring check
      https://github.com/kvm-x86/linux/commit/704fc6021b9e
[4/7] KVM: VMX: Handle vectoring error in check_emulate_instruction
      https://github.com/kvm-x86/linux/commit/47ef3ef843c0
[5/7] KVM: SVM: Handle vectoring error in check_emulate_instruction
      https://github.com/kvm-x86/linux/commit/7bd7ff99110a
[6/7] selftests: KVM: extract lidt into helper function
      https://github.com/kvm-x86/linux/commit/4e9427aeb957
[7/7] selftests: KVM: Add test case for MMIO during vectoring
      https://github.com/kvm-x86/linux/commit/62e41f6b4f36

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