linux-kernel - Re: [PATCH] KVM: VMX: Don't register posted interrupt wakeup handler if alloc_kvm

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Message-ID: <176849670779.699755.8210773201872100237.b4-ty@google.com>
Date: Thu, 15 Jan 2026 10:03:42 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Sean Christopherson <seanjc@...gle.com>, kvm@...r.kernel.org, 
	Hou Wenlong <houwenlong.hwl@...group.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, 
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, 
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org, 
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] KVM: VMX: Don't register posted interrupt wakeup handler
 if alloc_kvm_area() fails

On Tue, 13 Jan 2026 19:56:50 +0800, Hou Wenlong wrote:
> Unregistering the posted interrupt wakeup handler only happens during
> hardware unsetup. Therefore, if alloc_kvm_area() fails and continue to
> register the posted interrupt wakeup handler, this will leave the global
> posted interrupt wakeup handler pointer in an incorrect state. Although
> it should not be an issue, it's still better to change it.
> 
> 
> [...]

Applied to kvm-x86 vmx, with the goto approach.  Thanks!

[1/1] KVM: VMX: Don't register posted interrupt wakeup handler if alloc_kvm_area() fails
      https://github.com/kvm-x86/linux/commit/6c8512a5b7f4

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