From: Zachary Amsden <zach@vmware.com>
Date: Fri, 6 Jan 2006 08:11:59 +0000 (-0800)
Subject: [PATCH] x86: Deprecate useless bug
X-Git-Tag: v3.12-rc1~40070^2~198
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2684927c6b938ec7a679891e0ec1fa0709c521bd;p=kernel%2Fkernel-generic.git

[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 6081a10..45e7f0a 100644
--- 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);
 }