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From: Jim Mattson <jmattson@google.com>
To: kvm@vger.kernel.org, pbonzini@redhat.com
Cc: Jim Mattson <jmattson@google.com>,
	Sean Christopherson <seanjc@google.com>,
	Oliver Upton <oupton@google.com>
Subject: [PATCH 03/12] KVM: nVMX: Add a return code to vmx_complete_nested_posted_interrupt
Date: Thu, 20 May 2021 16:03:30 -0700	[thread overview]
Message-ID: <20210520230339.267445-4-jmattson@google.com> (raw)
In-Reply-To: <20210520230339.267445-1-jmattson@google.com>

No functional change intended.

Signed-off-by: Jim Mattson <jmattson@google.com>
Suggested-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Oliver Upton <oupton@google.com>
---
 arch/x86/kvm/vmx/nested.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 6058a65a6ede..7646e6e561ad 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -3682,7 +3682,7 @@ void nested_mark_vmcs12_pages_dirty(struct kvm_vcpu *vcpu)
 	}
 }
 
-static void vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
+static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 	int max_irr;
@@ -3690,17 +3690,17 @@ static void vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
 	u16 status;
 
 	if (!vmx->nested.pi_desc || !vmx->nested.pi_pending)
-		return;
+		return 0;
 
 	vmx->nested.pi_pending = false;
 	if (!pi_test_and_clear_on(vmx->nested.pi_desc))
-		return;
+		return 0;
 
 	max_irr = find_last_bit((unsigned long *)vmx->nested.pi_desc->pir, 256);
 	if (max_irr != 256) {
 		vapic_page = vmx->nested.virtual_apic_map.hva;
 		if (!vapic_page)
-			return;
+			return 0;
 
 		__kvm_apic_update_irr(vmx->nested.pi_desc->pir,
 			vapic_page, &max_irr);
@@ -3713,6 +3713,7 @@ static void vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
 	}
 
 	nested_mark_vmcs12_pages_dirty(vcpu);
+	return 0;
 }
 
 static void nested_vmx_inject_exception_vmexit(struct kvm_vcpu *vcpu,
@@ -3887,8 +3888,7 @@ static int vmx_check_nested_events(struct kvm_vcpu *vcpu)
 	}
 
 no_vmexit:
-	vmx_complete_nested_posted_interrupt(vcpu);
-	return 0;
+	return vmx_complete_nested_posted_interrupt(vcpu);
 }
 
 static u32 vmx_get_preemption_timer_value(struct kvm_vcpu *vcpu)
-- 
2.31.1.818.g46aad6cb9e-goog


  parent reply	other threads:[~2021-05-20 23:03 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-20 23:03 [PATCH 00/12] KVM: nVMX: Fix vmcs02 PID use-after-free issue Jim Mattson
2021-05-20 23:03 ` [PATCH 01/12] KVM: x86: Remove guest mode check from kvm_check_nested_events Jim Mattson
2021-05-20 23:03 ` [PATCH 02/12] KVM: x86: Wake up a vCPU when kvm_check_nested_events fails Jim Mattson
2021-05-24 15:43   ` Paolo Bonzini
2021-05-24 16:39     ` Jim Mattson
2021-05-24 16:43       ` Paolo Bonzini
2021-05-24 17:10         ` Jim Mattson
2021-05-24 23:10         ` Sean Christopherson
2021-05-24 23:23           ` Jim Mattson
2021-05-24 23:24             ` Sean Christopherson
2021-05-24 23:29               ` Jim Mattson
2021-05-24 23:34                 ` Sean Christopherson
2021-05-20 23:03 ` Jim Mattson [this message]
2021-05-20 23:03 ` [PATCH 04/12] KVM: x86: Add a return code to inject_pending_event Jim Mattson
2021-05-20 23:03 ` [PATCH 05/12] KVM: x86: Add a return code to kvm_apic_accept_events Jim Mattson
2021-05-25 19:24   ` Reiji Watanabe
2021-05-25 20:35     ` Jim Mattson
2021-05-20 23:03 ` [PATCH 06/12] KVM: nVMX: Fail on MMIO completion for nested posted interrupts Jim Mattson
2021-05-20 23:03 ` [PATCH 07/12] KVM: nVMX: Disable vmcs02 posted interrupts if vmcs12 PID isn't mappable Jim Mattson
2021-05-24 23:21   ` Sean Christopherson
2021-05-24 23:27     ` Jim Mattson
2021-05-24 23:45       ` Sean Christopherson
2021-05-25  0:03         ` Jim Mattson
2021-05-25  0:11           ` Sean Christopherson
2021-05-25  0:15             ` Jim Mattson
2021-05-25  0:57               ` Sean Christopherson
2021-05-20 23:03 ` [PATCH 08/12] KVM: selftests: Move APIC definitions into a separate file Jim Mattson
2021-05-20 23:03 ` [PATCH 09/12] KVM: selftests: Hoist APIC functions out of individual tests Jim Mattson
2021-05-20 23:03 ` [PATCH 10/12] KVM: selftests: Introduce x2APIC register manipulation functions Jim Mattson
2021-05-20 23:03 ` [PATCH 11/12] KVM: selftests: Introduce prepare_tpr_shadow Jim Mattson
2021-05-20 23:03 ` [PATCH 12/12] KVM: selftests: Add a test of an unbacked nested PI descriptor Jim Mattson
2021-05-21  0:58 ` [PATCH 00/12] KVM: nVMX: Fix vmcs02 PID use-after-free issue Sean Christopherson
2021-05-21 12:04 ` Jim Mattson
2021-05-24 15:50 ` Paolo Bonzini
2021-05-24 16:46 ` Paolo Bonzini

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