virtio-balloon: convert VMSTATE_VIRTIO_DEVICE

[mirror_qemu.git] / exec.c

diff --git a/exec.c b/exec.c
index ce3fb9ec8ef731a74cdf81f378110239ed51e129..c8389f93c3a382b637b7f9eefb0c029a4f1a9de0 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -598,36 +598,11 @@ AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx)
 }
 #endif
 
-static bool cpu_index_auto_assigned;
-
-static int cpu_get_free_index(void)
-{
-    CPUState *some_cpu;
-    int cpu_index = 0;
-
-    cpu_index_auto_assigned = true;
-    CPU_FOREACH(some_cpu) {
-        cpu_index++;
-    }
-    return cpu_index;
-}
-
 void cpu_exec_exit(CPUState *cpu)
 {
     CPUClass *cc = CPU_GET_CLASS(cpu);
 
-    cpu_list_lock();
-    if (!QTAILQ_IN_USE(cpu, node)) {
-        /* there is nothing to undo since cpu_exec_init() hasn't been called */
-        cpu_list_unlock();
-        return;
-    }
-
-    assert(!(cpu_index_auto_assigned && cpu != QTAILQ_LAST(&cpus, CPUTailQ)));
-
-    QTAILQ_REMOVE(&cpus, cpu, node);
-    cpu->cpu_index = UNASSIGNED_CPU_INDEX;
-    cpu_list_unlock();
+    cpu_list_remove(cpu);
 
     if (cc->vmsd != NULL) {
         vmstate_unregister(NULL, cc->vmsd, cpu);
@@ -663,15 +638,7 @@ void cpu_exec_init(CPUState *cpu, Error **errp)
     object_ref(OBJECT(cpu->memory));
 #endif
 
-    cpu_list_lock();
-    if (cpu->cpu_index == UNASSIGNED_CPU_INDEX) {
-        cpu->cpu_index = cpu_get_free_index();
-        assert(cpu->cpu_index != UNASSIGNED_CPU_INDEX);
-    } else {
-        assert(!cpu_index_auto_assigned);
-    }
-    QTAILQ_INSERT_TAIL(&cpus, cpu, node);
-    cpu_list_unlock();
+    cpu_list_add(cpu);
 
 #ifndef CONFIG_USER_ONLY
     if (qdev_get_vmsd(DEVICE(cpu)) == NULL) {
@@ -1621,10 +1588,8 @@ static void ram_block_add(RAMBlock *new_block, Error **errp)
     if (new_block->host) {
         qemu_ram_setup_dump(new_block->host, new_block->max_length);
         qemu_madvise(new_block->host, new_block->max_length, QEMU_MADV_HUGEPAGE);
+        /* MADV_DONTFORK is also needed by KVM in absence of synchronous MMU */
         qemu_madvise(new_block->host, new_block->max_length, QEMU_MADV_DONTFORK);
-        if (kvm_enabled()) {
-            kvm_setup_guest_memory(new_block->host, new_block->max_length);
-        }
     }
 }