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authorSuravee Suthikulpanit <suravee.suthikulpanit@amd.com>2019-01-22 10:24:19 +0000
committerPaolo Bonzini <pbonzini@redhat.com>2019-01-25 19:11:34 +0100
commit37ef0c4414c9743ba7f1af4392f0a27a99649f2a (patch)
tree07a6419fadb8f6bfa7746c2bf6797aa9a55601bf
parentde81c2f912ef57917bdc6d63b410c534c3e07982 (diff)
downloadlinux-stericsson-37ef0c4414c9743ba7f1af4392f0a27a99649f2a.tar.gz
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>
-rw-r--r--arch/x86/kvm/svm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index a157ca5b6869..2aff835a65ed 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -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");