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@xxxxxxxxxxx>
---
cpus.c | 1 +
kvm-all.c | 5 -----
2 files changed, 1 insertions(+), 5 deletions(-)
diff --git a/cpus.c b/cpus.c
index f45a438..d0c8340 100644
--- a/cpus.c
+++ b/cpus.c
@@ -714,6 +714,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
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) {
diff --git a/kvm-all.c b/kvm-all.c
index c4babda..e2cbc03 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1118,8 +1118,6 @@ int kvm_cpu_exec(CPUState *env)
return EXCP_HLT;
}
- cpu_single_env = env;
-
do {
if (env->kvm_vcpu_dirty) {
kvm_arch_put_registers(env, KVM_PUT_RUNTIME_STATE);
@@ -1136,13 +1134,11 @@ int kvm_cpu_exec(CPUState *env)
*/
qemu_cpu_kick_self();
}
- cpu_single_env = NULL;
qemu_mutex_unlock_iothread();
run_ret = kvm_vcpu_ioctl(env, KVM_RUN, 0);
qemu_mutex_lock_iothread();
- cpu_single_env = env;
kvm_arch_post_run(env, run);
kvm_flush_coalesced_mmio_buffer();
@@ -1206,7 +1202,6 @@ int kvm_cpu_exec(CPUState *env)
}
env->exit_request = 0;
- cpu_single_env = NULL;
return ret;
}
--
1.7.3.4
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