commit 6164e6d6e86e8f3f0b5ff7ae08b677026cb291c3
author Marcelo Tosatti <mtosatti@redhat.com> Tue Mar 23 13:37:13 2010 -0300
committer Marcelo Tosatti <mtosatti@redhat.com> Mon Apr 26 11:28:35 2010 -0300
tree 1b96e3ec722a87286d66ca210e636d10dce8ea01
parent 204204308b011d5fe494970255b318ec444d1d45

kvm_init_vcpu requires global lock held

Since it accesses data protected by the lock.

Signed-off-by: Avi Kivity <avi@redhat.com>

cpus.c

diff --git a/cpus.c b/cpus.c
index 8450ee4..2bf87d2 100644
--- a/cpus.c
+++ b/cpus.c
@@ -401,6 +401,7 @@
 {
     CPUState *env = arg;
 
+    qemu_mutex_lock(&qemu_global_mutex);
     qemu_thread_self(env->thread);
     if (kvm_enabled())
         kvm_init_vcpu(env);
@@ -408,7 +409,6 @@
     kvm_block_io_signals(env);
 
     /* signal CPU creation */
-    qemu_mutex_lock(&qemu_global_mutex);
     env->created = 1;
     qemu_cond_signal(&qemu_cpu_cond);