accel/tcg: Rename tcg_cpus_exec() -> tcg_cpu_exec()

[mirror_qemu.git] / accel / tcg / tcg-accel-ops-mttcg.c

diff --git a/accel/tcg/tcg-accel-ops-mttcg.c b/accel/tcg/tcg-accel-ops-mttcg.c
index b2762620079ddd1670ea11fb6c0e78e971c97029..c552b45b8ed18d41251605ef46c4f1df590131e5 100644 (file)
--- a/accel/tcg/tcg-accel-ops-mttcg.c
+++ b/accel/tcg/tcg-accel-ops-mttcg.c
@@ -32,7 +32,7 @@
 #include "qemu/guest-random.h"
 #include "exec/exec-all.h"
 #include "hw/boards.h"
-#include "tcg/tcg.h"
+#include "tcg/startup.h"
 #include "tcg-accel-ops.h"
 #include "tcg-accel-ops-mttcg.h"
 
@@ -76,11 +76,11 @@ static void *mttcg_cpu_thread_fn(void *arg)
     rcu_add_force_rcu_notifier(&force_rcu.notifier);
     tcg_register_thread();
 
-    qemu_mutex_lock_iothread();
+    bql_lock();
     qemu_thread_get_self(cpu->thread);
 
     cpu->thread_id = qemu_get_thread_id();
-    cpu->can_do_io = 1;
+    cpu->neg.can_do_io = true;
     current_cpu = cpu;
     cpu_thread_signal_created(cpu);
     qemu_guest_random_seed_thread_part2(cpu->random_seed);
@@ -91,28 +91,23 @@ static void *mttcg_cpu_thread_fn(void *arg)
     do {
         if (cpu_can_run(cpu)) {
             int r;
-            qemu_mutex_unlock_iothread();
-            r = tcg_cpus_exec(cpu);
-            qemu_mutex_lock_iothread();
+            bql_unlock();
+            r = tcg_cpu_exec(cpu);
+            bql_lock();
             switch (r) {
             case EXCP_DEBUG:
                 cpu_handle_guest_debug(cpu);
                 break;
             case EXCP_HALTED:
                 /*
-                 * during start-up the vCPU is reset and the thread is
-                 * kicked several times. If we don't ensure we go back
-                 * to sleep in the halted state we won't cleanly
-                 * start-up when the vCPU is enabled.
-                 *
-                 * cpu->halted should ensure we sleep in wait_io_event
+                 * Usually cpu->halted is set, but may have already been
+                 * reset by another thread by the time we arrive here.
                  */
-                g_assert(cpu->halted);
                 break;
             case EXCP_ATOMIC:
-                qemu_mutex_unlock_iothread();
+                bql_unlock();
                 cpu_exec_step_atomic(cpu);
-                qemu_mutex_lock_iothread();
+                bql_lock();
             default:
                 /* Ignore everything else? */
                 break;
@@ -123,8 +118,8 @@ static void *mttcg_cpu_thread_fn(void *arg)
         qemu_wait_io_event(cpu);
     } while (!cpu->unplug || cpu_can_run(cpu));
 
-    tcg_cpus_destroy(cpu);
-    qemu_mutex_unlock_iothread();
+    tcg_cpu_destroy(cpu);
+    bql_unlock();
     rcu_remove_force_rcu_notifier(&force_rcu.notifier);
     rcu_unregister_thread();
     return NULL;