diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 09e6c56..e50db11 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -86,7 +86,7 @@
 #define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT)
 #define KVM_MIN_FREE_MMU_PAGES 5
 #define KVM_REFILL_PAGES 25
-#define KVM_MAX_CPUID_ENTRIES 40
+#define KVM_MAX_CPUID_ENTRIES 100
 #define KVM_NR_FIXED_MTRR_REGION 88
 #define KVM_NR_VAR_MTRR 8
 
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 38f79b6..91187a2 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1194,36 +1194,14 @@ static void do_cpuid_1_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 			 u32 index, int *nent, int maxnent)
 {
-	const u32 kvm_supported_word0_x86_features = bit(X86_FEATURE_FPU) |
-		bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |
-		bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |
-		bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |
-		bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |
-		bit(X86_FEATURE_SEP) | bit(X86_FEATURE_PGE) |
-		bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |
-		bit(X86_FEATURE_CLFLSH) | bit(X86_FEATURE_MMX) |
-		bit(X86_FEATURE_FXSR) | bit(X86_FEATURE_XMM) |
-		bit(X86_FEATURE_XMM2) | bit(X86_FEATURE_SELFSNOOP);
-	const u32 kvm_supported_word1_x86_features = bit(X86_FEATURE_FPU) |
-		bit(X86_FEATURE_VME) | bit(X86_FEATURE_DE) |
-		bit(X86_FEATURE_PSE) | bit(X86_FEATURE_TSC) |
-		bit(X86_FEATURE_MSR) | bit(X86_FEATURE_PAE) |
-		bit(X86_FEATURE_CX8) | bit(X86_FEATURE_APIC) |
-		bit(X86_FEATURE_PGE) |
-		bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |
-		bit(X86_FEATURE_MMX) | bit(X86_FEATURE_FXSR) |
-		bit(X86_FEATURE_SYSCALL) |
-		(bit(X86_FEATURE_NX) && is_efer_nx()) |
-#ifdef CONFIG_X86_64
+	const u32 kvm_unsupported_word0_x86_features = bit(X86_FEATURE_ACC);
+	const u32 kvm_unsupported_word1_x86_features = bit(X86_FEATURE_RDTSCP) |
+#ifndef CONFIG_X86_64
 		bit(X86_FEATURE_LM) |
 #endif
-		bit(X86_FEATURE_MMXEXT) |
-		bit(X86_FEATURE_3DNOWEXT) |
-		bit(X86_FEATURE_3DNOW);
-	const u32 kvm_supported_word3_x86_features =
-		bit(X86_FEATURE_XMM3) | bit(X86_FEATURE_CX16);
-	const u32 kvm_supported_word6_x86_features =
-		bit(X86_FEATURE_LAHF_LM) | bit(X86_FEATURE_CMP_LEGACY);
+                0;
+	const u32 kvm_unsupported_word3_x86_features = 0;
+	const u32 kvm_unsupported_word6_x86_features = 0;
 
 	/* all func 2 cpuid_count() should be called on the same cpu */
 	get_cpu();
@@ -1235,8 +1213,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		entry->eax = min(entry->eax, (u32)0xb);
 		break;
 	case 1:
-		entry->edx &= kvm_supported_word0_x86_features;
-		entry->ecx &= kvm_supported_word3_x86_features;
+		entry->edx &= ~(kvm_unsupported_word0_x86_features);
+		entry->ecx &= ~(kvm_unsupported_word3_x86_features);
 		break;
 	/* function 2 entries are STATEFUL. That is, repeated cpuid commands
 	 * may return different values. This forces us to get_cpu() before
@@ -1246,6 +1224,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		int t, times = entry->eax & 0xff;
 
 		entry->flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
+		entry->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT;
 		for (t = 1; t < times && *nent < maxnent; ++t) {
 			do_cpuid_1_ent(&entry[t], function, 0);
 			entry[t].flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
@@ -1276,7 +1255,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
 		/* read more entries until level_type is zero */
 		for (i = 1; *nent < maxnent; ++i) {
-			level_type = entry[i - 1].ecx & 0xff;
+			level_type = entry[i - 1].ecx & 0xff00;
 			if (!level_type)
 				break;
 			do_cpuid_1_ent(&entry[i], function, i);
@@ -1290,8 +1269,8 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		entry->eax = min(entry->eax, 0x8000001a);
 		break;
 	case 0x80000001:
-		entry->edx &= kvm_supported_word1_x86_features;
-		entry->ecx &= kvm_supported_word6_x86_features;
+		entry->edx &= ~(kvm_unsupported_word1_x86_features);
+		entry->ecx &= ~(kvm_unsupported_word6_x86_features);
 		break;
 	}
 	put_cpu();
@@ -1302,10 +1281,14 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid,
 {
 	struct kvm_cpuid_entry2 *cpuid_entries;
 	int limit, nent = 0, r = -E2BIG;
+	int sizer = 0;
 	u32 func;
 
-	if (cpuid->nent < 1)
-		goto out;
+	if (cpuid->nent == 0) {
+		sizer = 1;
+		cpuid->nent = KVM_MAX_CPUID_ENTRIES; 
+        }
+
 	r = -ENOMEM;
 	cpuid_entries = vmalloc(sizeof(struct kvm_cpuid_entry2) * cpuid->nent);
 	if (!cpuid_entries)
@@ -1326,9 +1309,11 @@ static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid,
 		do_cpuid_ent(&cpuid_entries[nent], func, 0,
 			       &nent, cpuid->nent);
 	r = -EFAULT;
-	if (copy_to_user(entries, cpuid_entries,
+	if (!sizer) {
+		if (copy_to_user(entries, cpuid_entries,
 			nent * sizeof(struct kvm_cpuid_entry2)))
-		goto out_free;
+			goto out_free;
+        }
 	cpuid->nent = nent;
 	r = 0;
 
@@ -2801,7 +2786,7 @@ static int move_to_next_stateful_cpuid_entry(struct kvm_vcpu *vcpu, int i)
 
 	e->flags &= ~KVM_CPUID_FLAG_STATE_READ_NEXT;
 	/* when no next entry is found, the current entry[i] is reselected */
-	for (j = i + 1; j == i; j = (j + 1) % nent) {
+	for (j = i + 1; ; j = (j + 1) % nent) {
 		struct kvm_cpuid_entry2 *ej = &vcpu->arch.cpuid_entries[j];
 		if (ej->function == e->function) {
 			ej->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT;
@@ -2860,6 +2845,13 @@ void kvm_emulate_cpuid(struct kvm_vcpu *vcpu)
 		kvm_register_write(vcpu, VCPU_REGS_RCX, best->ecx);
 		kvm_register_write(vcpu, VCPU_REGS_RDX, best->edx);
 	}
+	if (function == 0x1) { /* set the per-cpu apicid */
+		u32 ebx = kvm_register_read(vcpu, VCPU_REGS_RBX);
+		ebx &= 0x00ffffff;
+		ebx |= (vcpu->vcpu_id << 24);
+		kvm_register_write(vcpu, VCPU_REGS_RBX, ebx);
+	}
+          
 	kvm_x86_ops->skip_emulated_instruction(vcpu);
 	KVMTRACE_5D(CPUID, vcpu, function,
 		    (u32)kvm_register_read(vcpu, VCPU_REGS_RAX),