1 files changed, 14 insertions, 31 deletions

diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 9efb07e7c8..f6dae4cfb6 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -143,6 +143,11 @@ bool kvm_has_adjust_clock_stable(void)
     return (ret == KVM_CLOCK_TSC_STABLE);
 }
 
+bool kvm_has_adjust_clock(void)
+{
+    return kvm_check_extension(kvm_state, KVM_CAP_ADJUST_CLOCK);
+}
+
 bool kvm_has_exception_payload(void)
 {
     return has_exception_payload;
@@ -279,29 +284,6 @@ static struct kvm_cpuid2 *get_supported_cpuid(KVMState *s)
     return cpuid;
 }
 
-static const struct kvm_para_features {
-    int cap;
-    int feature;
-} para_features[] = {
-    { KVM_CAP_CLOCKSOURCE, KVM_FEATURE_CLOCKSOURCE },
-    { KVM_CAP_NOP_IO_DELAY, KVM_FEATURE_NOP_IO_DELAY },
-    { KVM_CAP_PV_MMU, KVM_FEATURE_MMU_OP },
-    { KVM_CAP_ASYNC_PF, KVM_FEATURE_ASYNC_PF },
-};
-
-static int get_para_features(KVMState *s)
-{
-    int i, features = 0;
-
-    for (i = 0; i < ARRAY_SIZE(para_features); i++) {
-        if (kvm_check_extension(s, para_features[i].cap)) {
-            features |= (1 << para_features[i].feature);
-        }
-    }
-
-    return features;
-}
-
 static bool host_tsx_broken(void)
 {
     int family, model, stepping;\
@@ -361,13 +343,11 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
     struct kvm_cpuid2 *cpuid;
     uint32_t ret = 0;
     uint32_t cpuid_1_edx;
-    bool found = false;
 
     cpuid = get_supported_cpuid(s);
 
     struct kvm_cpuid_entry2 *entry = cpuid_find_entry(cpuid, function, index);
     if (entry) {
-        found = true;
         ret = cpuid_entry_get_reg(entry, reg);
     }
 
@@ -442,12 +422,6 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function,
         }
     } else if (function == KVM_CPUID_FEATURES && reg == R_EDX) {
         ret |= 1U << KVM_HINTS_REALTIME;
-        found = 1;
-    }
-
-    /* fallback for older kernels */
-    if ((function == KVM_CPUID_FEATURES) && !found) {
-        ret = get_para_features(s);
     }
 
     return ret;
@@ -2818,6 +2792,9 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
         kvm_msr_entry_add(cpu, MSR_IA32_TSC, env->tsc);
         kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, env->system_time_msr);
         kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, env->wall_clock_msr);
+        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF_INT)) {
+            kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_INT, env->async_pf_int_msr);
+        }
         if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) {
             kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, env->async_pf_en_msr);
         }
@@ -3203,6 +3180,9 @@ static int kvm_get_msrs(X86CPU *cpu)
 #endif
     kvm_msr_entry_add(cpu, MSR_KVM_SYSTEM_TIME, 0);
     kvm_msr_entry_add(cpu, MSR_KVM_WALL_CLOCK, 0);
+    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF_INT)) {
+        kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_INT, 0);
+    }
     if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_ASYNC_PF)) {
         kvm_msr_entry_add(cpu, MSR_KVM_ASYNC_PF_EN, 0);
     }
@@ -3446,6 +3426,9 @@ static int kvm_get_msrs(X86CPU *cpu)
         case MSR_KVM_ASYNC_PF_EN:
             env->async_pf_en_msr = msrs[i].data;
             break;
+        case MSR_KVM_ASYNC_PF_INT:
+            env->async_pf_int_msr = msrs[i].data;
+            break;
         case MSR_KVM_PV_EOI_EN:
             env->pv_eoi_en_msr = msrs[i].data;
             break;