Commit 62baf44c authored Jun 29, 2014 by Jan Kiszka Committed by Paolo Bonzini Jul 09, 2014

KVM: nSVM: Do not report CLTS via SVM_EXIT_WRITE_CR0 to L1



CLTS only changes TS which is not monitored by selected CR0
interception. So skip any attempt to translate WRITE_CR0 to
CR0_SEL_WRITE for this instruction.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent 9f6226a7

arch/x86/kvm/svm.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -4205,7 +4205,8 @@ static int svm_check_intercept(struct kvm_vcpu *vcpu,
		if (info->intercept == x86_intercept_cr_write)
		icpt_info.exit_code += info->modrm_reg;

		if (icpt_info.exit_code != SVM_EXIT_WRITE_CR0)
		if (icpt_info.exit_code != SVM_EXIT_WRITE_CR0 \|\|
		info->intercept == x86_intercept_clts)
		break;

		intercept = svm->nested.intercept;

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