kvm: Change kvm_cpu_exec() argument to CPUState

It no longer uses CPUArchState.

Prepares for changing qemu_kvm_cpu_thread_fn() opaque to CPUState.

Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/cpus.c b/cpus.c
index 4c7e329..12f6f32 100644
--- a/cpus.c
+++ b/cpus.c
@@ -752,7 +752,7 @@
 
     while (1) {
         if (cpu_can_run(cpu)) {
-            r = kvm_cpu_exec(env);
+            r = kvm_cpu_exec(cpu);
             if (r == EXCP_DEBUG) {
                 cpu_handle_guest_debug(env);
             }