diff mbox series

[51/67] KVM: SVM: Process all IRTEs on affinity change even if one update fails

Message ID 20250404193923.1413163-52-seanjc@google.com (mailing list archive)
State New
Headers show
Series KVM: iommu: Overhaul device posted IRQs support | expand

Commit Message

Sean Christopherson April 4, 2025, 7:39 p.m. UTC 
When updating IRTE GA fields, keep processing all other IRTEs if an update
fails, as not updating later entries risks making a bad situation worse.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/x86/kvm/svm/avic.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 5f5022d12b1b..5544e8e88926 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -857,12 +857,10 @@  static inline int avic_update_iommu_vcpu_affinity(struct kvm_vcpu *vcpu, int cpu
 	if (list_empty(&svm->ir_list))
 		return 0;
 
-	list_for_each_entry(ir, &svm->ir_list, node) {
+	list_for_each_entry(ir, &svm->ir_list, node)
 		ret = amd_iommu_update_ga(cpu, ir->data);
-		if (ret)
-			return ret;
-	}
-	return 0;
+
+	return ret;
 }
 
 void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu)