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svm: Add warning message for AVIC IPI invalid target 

Print warning message when IPI target ID is invalid due to one of
the following reasons:
  * In logical mode: cluster > max_cluster (64)
  * In physical mode: target > max_physical (512)
  * Address is not present in the physical or logical ID tables

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Suravee Suthikulpanit 2019-01-22 10:24:19 +00:00 committed by Paolo Bonzini
parent de81c2f912
commit 37ef0c4414
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kvm/svm.c
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@ -4526,6 +4526,8 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm)
break;
}
case AVIC_IPI_FAILURE_INVALID_TARGET:
WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n",
index, svm->vcpu.vcpu_id, icrh, icrl);
break;
case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE:
WARN_ONCE(1, "Invalid backing page\n");