linux-kernel - [PATCH 2/2] KVM: x86: async_pf: determine x86 user as cpl == 3

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Message-ID: <20241127172654.1024-3-kalyazin@amazon.com>
Date: Wed, 27 Nov 2024 17:26:54 +0000
From: Nikita Kalyazin <kalyazin@...zon.com>
To: <pbonzini@...hat.com>, <corbet@....net>, <seanjc@...gle.com>,
	<tglx@...utronix.de>, <mingo@...hat.com>, <bp@...en8.de>,
	<dave.hansen@...ux.intel.com>, <x86@...nel.org>, <hpa@...or.com>,
	<vkuznets@...hat.com>, <xiaoyao.li@...el.com>, <kvm@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>
CC: <roypat@...zon.co.uk>, <xmarcalx@...zon.com>, <kalyazin@...zon.com>
Subject: [PATCH 2/2] KVM: x86: async_pf: determine x86 user as cpl == 3

Suggested-by: Sean Christopherson <seanjc@...gle.com>
Signed-off-by: Nikita Kalyazin <kalyazin@...zon.com>
---
 arch/x86/kvm/x86.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 8f784f07d423..168dcf1d4625 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -13360,7 +13360,7 @@ static bool kvm_can_deliver_async_pf(struct kvm_vcpu *vcpu)
 	if (!kvm_pv_async_pf_enabled(vcpu))
 		return false;
 
-	if (kvm_x86_call(get_cpl)(vcpu) == 0)
+	if (kvm_x86_call(get_cpl)(vcpu) != 3)
 		return false;
 
 	if (is_guest_mode(vcpu)) {
-- 
2.40.1