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Diffstat (limited to 'target/i386/kvm.c')
-rw-r--r--target/i386/kvm.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 2abc881324..8dc7026b0d 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1785,6 +1785,8 @@ void kvm_arch_reset_vcpu(X86CPU *cpu)
 
         hyperv_x86_synic_reset(cpu);
     }
+    /* enabled by default */
+    env->poll_control_msr = 1;
 }
 
 void kvm_arch_do_init_vcpu(X86CPU *cpu)
@@ -2493,6 +2495,11 @@ static int kvm_put_msrs(X86CPU *cpu, int level)
         if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) {
             kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, env->steal_time_msr);
         }
+
+        if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_POLL_CONTROL)) {
+            kvm_msr_entry_add(cpu, MSR_KVM_POLL_CONTROL, env->poll_control_msr);
+        }
+
         if (has_architectural_pmu_version > 0) {
             if (has_architectural_pmu_version > 1) {
                 /* Stop the counter.  */
@@ -2878,6 +2885,9 @@ static int kvm_get_msrs(X86CPU *cpu)
     if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_STEAL_TIME)) {
         kvm_msr_entry_add(cpu, MSR_KVM_STEAL_TIME, 0);
     }
+    if (env->features[FEAT_KVM] & (1 << KVM_FEATURE_POLL_CONTROL)) {
+        kvm_msr_entry_add(cpu, MSR_KVM_POLL_CONTROL, 1);
+    }
     if (has_architectural_pmu_version > 0) {
         if (has_architectural_pmu_version > 1) {
             kvm_msr_entry_add(cpu, MSR_CORE_PERF_FIXED_CTR_CTRL, 0);
@@ -3112,6 +3122,10 @@ static int kvm_get_msrs(X86CPU *cpu)
         case MSR_KVM_STEAL_TIME:
             env->steal_time_msr = msrs[i].data;
             break;
+        case MSR_KVM_POLL_CONTROL: {
+            env->poll_control_msr = msrs[i].data;
+            break;
+        }
         case MSR_CORE_PERF_FIXED_CTR_CTRL:
             env->msr_fixed_ctr_ctrl = msrs[i].data;
             break;