Revert "svm: Add warning message for AVIC IPI invalid target"

Remove a WARN on an "AVIC IPI invalid target" exit, the WARN is trivial
to trigger from guest as it will fail on any destination APIC ID that
doesn't exist from the guest's perspective.

Don't bother recording anything in the kernel log, the common tracepoint
for kvm_avic_incomplete_ipi() is sufficient for debugging.

This reverts commit f6079d79ab3b7ca6c9d1165150096fa3014132d8.

Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20220204214205.3306634-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 90364d02f22aada1bf890b85eb2ccf9311e98c02..ecc81c48c0cae5590879601036c1cade690e0f81 100644 (file)
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -345,8 +345,6 @@ int avic_incomplete_ipi_interception(struct kvm_vcpu *vcpu)
                avic_kick_target_vcpus(vcpu->kvm, apic, icrl, icrh);
                break;
        case AVIC_IPI_FAILURE_INVALID_TARGET:
-               WARN_ONCE(1, "Invalid IPI target: index=%u, vcpu=%d, icr=%#0x:%#0x\n",
-                         index, vcpu->vcpu_id, icrh, icrl);
                break;
        case AVIC_IPI_FAILURE_INVALID_BACKING_PAGE:
                WARN_ONCE(1, "Invalid backing page\n");