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From: Zachary Amsden <zach@vmware.com>
To: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Zwane Mwaikambo <zwane@arm.linux.org.uk>,
	Pratap Subrahmanyam <pratap@vmware.com>,
	Christopher Li <chrisl@vmware.com>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Ingo Molnar <mingo@elte.hu>, Zachary Amsden <zach@vmware.com>
Subject: [PATCH 10/10] Deprecate useless bug
Date: Wed, 9 Nov 2005 16:47:17 -0800	[thread overview]
Message-ID: <200511100047.jAA0lHu2028408@zach-dev.vmware.com> (raw)

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>
Index: linux-2.6.14/arch/i386/kernel/process.c
===================================================================
--- linux-2.6.14.orig/arch/i386/kernel/process.c	2005-11-09 01:46:41.000000000 -0800
+++ linux-2.6.14/arch/i386/kernel/process.c	2005-11-09 06:39:22.000000000 -0800
@@ -415,17 +415,7 @@
 
 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);
 }
 

                 reply	other threads:[~2005-11-10  0:47 UTC|newest]

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