[PATCH] x86: Deprecate useless bug

Remove the "temporary debugging check" which has managed to live for quite
some time, and is clearly unneeded.  The mm can never be live at this point,
so clearly checking the LDT in the mm->context is redundant as well.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Cc: "Seth, Rohit" <rohit.seth@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 6081a10d34161098706928a6e97a5b604310f280..45e7f0ac4b04be579a50db8e21e821894c6c7191 100644 (file)
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -402,17 +402,7 @@ void flush_thread(void)
 
 void release_thread(struct task_struct *dead_task)
 {
-       if (dead_task->mm) {
-               // temporary debugging check
-               if (dead_task->mm->context.size) {
-                       printk("WARNING: dead process %8s still has LDT? <%p/%d>\n",
-                                       dead_task->comm,
-                                       dead_task->mm->context.ldt,
-                                       dead_task->mm->context.size);
-                       BUG();
-               }
-       }
-
+       BUG_ON(dead_task->mm);
        release_vm86_irqs(dead_task);
 }