Commit 3d31bdf9 authored by Yosry Ahmed's avatar Yosry Ahmed Committed by Sean Christopherson
Browse files

KVM: nSVM: Remove redundant cases in nested_svm_intercept() 



Both the CRx and DRx cases are doing exactly what the default case is
doing, remove them.

No functional change intended.

Signed-off-by: default avatarYosry Ahmed <yosry.ahmed@linux.dev>
Link: https://patch.msgid.link/20251024192918.3191141-2-yosry.ahmed@linux.dev


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
parent 940fc47c

arch/x86/kvm/svm/nested.c

+0 −10
Original line number Diff line number Diff line
@@ -1438,16 +1438,6 @@ static int nested_svm_intercept(struct vcpu_svm *svm) 
	case SVM_EXIT_IOIO:

		vmexit = nested_svm_intercept_ioio(svm);

		break;

	case SVM_EXIT_READ_CR0 ... SVM_EXIT_WRITE_CR8: {

		if (vmcb12_is_intercept(&svm->nested.ctl, exit_code))

			vmexit = NESTED_EXIT_DONE;

		break;

	}

	case SVM_EXIT_READ_DR0 ... SVM_EXIT_WRITE_DR7: {

		if (vmcb12_is_intercept(&svm->nested.ctl, exit_code))

			vmexit = NESTED_EXIT_DONE;

		break;

	}

	case SVM_EXIT_EXCP_BASE ... SVM_EXIT_EXCP_BASE + 0x1f: {

		/*

		 * Host-intercepted exceptions have been checked already in