Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging

[mirror_qemu.git] / target / arm / kvm.c

diff --git a/target/arm/kvm.c b/target/arm/kvm.c
index b473c63edb1ceaa1aca85eb4c98cb3d3b2930b92..b87b59a02ad84e583f2d208e672a0e5bf0f94ad1 100644 (file)
--- a/target/arm/kvm.c
+++ b/target/arm/kvm.c
@@ -51,6 +51,11 @@ int kvm_arm_vcpu_init(CPUState *cs)
     return kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_INIT, &init);
 }
 
+int kvm_arm_vcpu_finalize(CPUState *cs, int feature)
+{
+    return kvm_vcpu_ioctl(cs, KVM_ARM_VCPU_FINALIZE, &feature);
+}
+
 void kvm_arm_init_serror_injection(CPUState *cs)
 {
     cap_has_inject_serror_esr = kvm_check_extension(cs->kvm_state,
@@ -61,7 +66,7 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
                                       int *fdarray,
                                       struct kvm_vcpu_init *init)
 {
-    int ret, kvmfd = -1, vmfd = -1, cpufd = -1;
+    int ret = 0, kvmfd = -1, vmfd = -1, cpufd = -1;
 
     kvmfd = qemu_open("/dev/kvm", O_RDWR);
     if (kvmfd < 0) {
@@ -81,7 +86,14 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
         goto finish;
     }
 
-    ret = ioctl(vmfd, KVM_ARM_PREFERRED_TARGET, init);
+    if (init->target == -1) {
+        struct kvm_vcpu_init preferred;
+
+        ret = ioctl(vmfd, KVM_ARM_PREFERRED_TARGET, &preferred);
+        if (!ret) {
+            init->target = preferred.target;
+        }
+    }
     if (ret >= 0) {
         ret = ioctl(cpufd, KVM_ARM_VCPU_INIT, init);
         if (ret < 0) {
@@ -93,10 +105,12 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
          * creating one kind of guest CPU which is its preferred
          * CPU type.
          */
+        struct kvm_vcpu_init try;
+
         while (*cpus_to_try != QEMU_KVM_ARM_TARGET_NONE) {
-            init->target = *cpus_to_try++;
-            memset(init->features, 0, sizeof(init->features));
-            ret = ioctl(cpufd, KVM_ARM_VCPU_INIT, init);
+            try.target = *cpus_to_try++;
+            memcpy(try.features, init->features, sizeof(init->features));
+            ret = ioctl(cpufd, KVM_ARM_VCPU_INIT, &try);
             if (ret >= 0) {
                 break;
             }
@@ -104,6 +118,7 @@ bool kvm_arm_create_scratch_host_vcpu(const uint32_t *cpus_to_try,
         if (ret < 0) {
             goto err;
         }
+        init->target = try.target;
     } else {
         /* Treat a NULL cpus_to_try argument the same as an empty
          * list, which means we will fail the call since this must
@@ -726,11 +741,11 @@ void kvm_arch_init_irq_routing(KVMState *s)
 {
 }
 
-int kvm_arch_irqchip_create(MachineState *ms, KVMState *s)
+int kvm_arch_irqchip_create(KVMState *s)
 {
-     if (machine_kernel_irqchip_split(ms)) {
-         perror("-machine kernel_irqchip=split is not supported on ARM.");
-         exit(1);
+    if (kvm_kernel_irqchip_split()) {
+        perror("-machine kernel_irqchip=split is not supported on ARM.");
+        exit(1);
     }
 
     /* If we can create the VGIC using the newer device control API, we