Calls to functions which can sleep was removed from do_page_fault_ret_precode

diff --git a/driver/us_proc_inst.c b/driver/us_proc_inst.c
index 7e11537..cde8e3c 100644 (file)
--- a/driver/us_proc_inst.c
+++ b/driver/us_proc_inst.c
@@ -775,10 +775,10 @@ void do_page_fault_ret_pre_code (void)
 
        if (task_inst_info->tgid == 0)
        {
-               mm = get_task_mm (current);//current->active_mm;
+               mm = current->active_mm;
                if (mm)
                {
-                       down_read (&mm->mmap_sem);
+//                     down_read (&mm->mmap_sem);
                        vma = mm->mmap;
                        while (vma)
                        {
@@ -791,8 +791,8 @@ void do_page_fault_ret_pre_code (void)
                                }
                                vma = vma->vm_next;
                        }
-                       up_read (&mm->mmap_sem);
-                       mmput (mm);
+//                     up_read (&mm->mmap_sem);
+//                     mmput (mm);
                } else {
                        //                      DPRINTF ("proc %s/%d has no mm", current->comm, current->pid);
                }