--- a/TaskManager/kernel/ppe/CpuThreads.cc	Wed Jul 25 19:41:04 2012 +0900
+++ b/TaskManager/kernel/ppe/CpuThreads.cc	Tue Jul 31 19:12:41 2012 +0900
@@ -101,7 +101,7 @@
 CpuThreads::get_mail(int cpuid, int count, memaddr *ret)
 {  
     if (is_gpu(cpuid)) {
-        return 0;//gpu->get_mail(cpuid, count, ret);
+        return gpu->get_mail(cpuid, count, ret);
     } else {
         *ret = args[cpuid-id_offset].scheduler->mail_read_from_host();
         return 1;
@@ -139,7 +139,7 @@
 CpuThreads::send_mail(int cpuid, int num, memaddr *data)
 {
     if (is_gpu(cpuid)) {
-        //gpu->send_mail(cpuid, num, data);
+        gpu->send_mail(cpuid, num, data);
     } else {
         args[cpuid-id_offset].scheduler->mail_write_from_host(*data);
     }