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KVM: SVM: Process all IRTEs on affinity change even if one update fails

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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.

Link: https://lore.kernel.org/r/20250611224604.313496-49-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Sean Christopherson 2025-06-11 15:45:50 -07:00
parent 16562766f1
commit 48f79c6c86
1 changed files with 3 additions and 5 deletions
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8
arch/x86/kvm/svm/avic.c
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@ -850,12 +850,10 @@ 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(irqfd, &svm->ir_list, vcpu_list) {
list_for_each_entry(irqfd, &svm->ir_list, vcpu_list)
ret = amd_iommu_update_ga(cpu, irqfd->irq_bypass_data);
if (ret)
return ret;
}
return 0;
return ret;
}
void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu)