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Commit 9d2aad13 authored by Sean Christopherson's avatar Sean Christopherson Committed by Greg Kroah-Hartman
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Revert "svm: Add warning message for AVIC IPI invalid target" 



commit dd4589eee99db8f61f7b8f7df1531cad3f74a64d upstream.

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 37ef0c44.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Message-Id: <20220204214205.3306634-2-seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 19027255

arch/x86/kvm/svm.c

+0 −2
Original line number Diff line number Diff line
@@ -4585,8 +4585,6 @@ 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");