kvm: Add arch reset handler

Will be required by succeeding changes.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

kvm-all.c

@@ -150,6 +150,7 @@ static void kvm_reset_vcpu(void *opaque)
 {
     CPUState *env = opaque;
 
+    kvm_arch_reset_vcpu(env);
     if (kvm_arch_put_registers(env)) {
         fprintf(stderr, "Fatal: kvm vcpu reset failed\n");
         abort();
@@ -201,6 +202,7 @@ int kvm_init_vcpu(CPUState *env)
     ret = kvm_arch_init_vcpu(env);
     if (ret == 0) {
         qemu_register_reset(kvm_reset_vcpu, env);
+        kvm_arch_reset_vcpu(env);
         ret = kvm_arch_put_registers(env);
     }
 err:

kvm.h

@@ -90,6 +90,8 @@ int kvm_arch_init(KVMState *s, int smp_cpus);
 
 int kvm_arch_init_vcpu(CPUState *env);
 
+void kvm_arch_reset_vcpu(CPUState *env);
+
 struct kvm_guest_debug;
 struct kvm_debug_exit_arch;
 

target-i386/kvm.c

@@ -221,6 +221,10 @@ int kvm_arch_init_vcpu(CPUState *env)
     return kvm_vcpu_ioctl(env, KVM_SET_CPUID2, &cpuid_data);
 }
 
+void kvm_arch_reset_vcpu(CPUState *env)
+{
+}
+
 static int kvm_has_msr_star(CPUState *env)
 {
     static int has_msr_star;

target-ppc/kvm.c

@@ -53,6 +53,10 @@ int kvm_arch_init_vcpu(CPUState *cenv)
     return ret;
 }
 
+void kvm_arch_reset_vcpu(CPUState *env)
+{
+}
+
 int kvm_arch_put_registers(CPUState *env)
 {
     struct kvm_regs regs;