kvm: Set cpu_single_env only once
As we have thread-local cpu_single_env now and KVM uses exactly one
thread per VCPU, we can drop the cpu_single_env updates from the loop
and initialize this variable only once during setup.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/cpus.c b/cpus.c
index f45a438..d0c8340 100644
--- a/cpus.c
+++ b/cpus.c
@@ -714,6 +714,7 @@
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(env->thread);
env->thread_id = qemu_get_thread_id();
+ cpu_single_env = env;
r = kvm_init_vcpu(env);
if (r < 0) {
