diff options
| author |   Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> | 2019-01-22 10:24:19 +0000 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2019-01-25 19:11:34 +0100 |
| commit | 37ef0c4414c9743ba7f1af4392f0a27a99649f2a (patch) | |
| tree | 07a6419fadb8f6bfa7746c2bf6797aa9a55601bf | |
| parent | KVM: x86: WARN_ONCE if sending a PV IPI returns a fatal error (diff) | |
| download | linux-dev-37ef0c4414c9743ba7f1af4392f0a27a99649f2a.tar.xz linux-dev-37ef0c4414c9743ba7f1af4392f0a27a99649f2a.zip | |
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.c | 2 |
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"); |