qubes-linux-kernel/patches.fixes/kvm-macos.patch

From: agraf@suse.de
Subject: Implement some missing intercepts so osx doesn't blow up
Patch-mainline: unknown
References: bnc#556564

---
 arch/x86/kvm/svm.c |   20 ++++++++++++++++++--
 arch/x86/kvm/x86.c |    4 +++-
 2 files changed, 21 insertions(+), 3 deletions(-)

--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2303,6 +2303,22 @@ static int skinit_interception(struct vc
 	return 1;
 }
 
+static int monitor_interception(struct vcpu_svm *svm)
+{
+	svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
+	skip_emulated_instruction(&svm->vcpu);
+
+	return 1;
+}
+
+static int mwait_interception(struct vcpu_svm *svm)
+{
+	svm->next_rip = kvm_rip_read(&svm->vcpu) + 3;
+	skip_emulated_instruction(&svm->vcpu);
+
+	return kvm_emulate_halt(&svm->vcpu);
+}
+
 static int invalid_op_interception(struct vcpu_svm *svm)
 {
 	kvm_queue_exception(&svm->vcpu, UD_VECTOR);
@@ -2722,8 +2738,8 @@ static int (*svm_exit_handlers[])(struct
 	[SVM_EXIT_CLGI]				= clgi_interception,
 	[SVM_EXIT_SKINIT]			= skinit_interception,
 	[SVM_EXIT_WBINVD]                       = emulate_on_interception,
-	[SVM_EXIT_MONITOR]			= invalid_op_interception,
-	[SVM_EXIT_MWAIT]			= invalid_op_interception,
+	[SVM_EXIT_MONITOR]			= monitor_interception,
+	[SVM_EXIT_MWAIT]			= mwait_interception,
	[SVM_EXIT_XSETBV]			= xsetbv_interception,
 	[SVM_EXIT_NPF]				= pf_interception,
 };
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1254,6 +1254,7 @@ int kvm_set_msr_common(struct kvm_vcpu *
 	case MSR_VM_HSAVE_PA:
 	case MSR_AMD64_PATCH_LOADER:
 		break;
+	case 0xe2:
 	case 0x200 ... 0x2ff:
 		return set_msr_mtrr(vcpu, msr, data);
 	case MSR_IA32_APICBASE:
@@ -1512,6 +1513,7 @@ int kvm_get_msr_common(struct kvm_vcpu *
 	case MSR_K8_INT_PENDING_MSG:
 	case MSR_AMD64_NB_CFG:
 	case MSR_FAM10H_MMIO_CONF_BASE:
+	case 0xe2:
 		data = 0;
 		break;
 	case MSR_MTRRcap:
@@ -1985,7 +1987,7 @@ static void do_cpuid_ent(struct kvm_cpui
 		0 /* Reserved */ | f_lm | F(3DNOWEXT) | F(3DNOW);
 	/* cpuid 1.ecx */
 	const u32 kvm_supported_word4_x86_features =
-		F(XMM3) | F(PCLMULQDQ) | 0 /* DTES64, MONITOR */ |
+		F(XMM3) | F(PCLMULQDQ) | 0 /* DTES64 */ | F(MWAIT) |
 		0 /* DS-CPL, VMX, SMX, EST */ |
 		0 /* TM2 */ | F(SSSE3) | 0 /* CNXT-ID */ | 0 /* Reserved */ |
 		0 /* Reserved */ | F(CX16) | 0 /* xTPR Update, PDCM */ |