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From: Stefani Seibold <stefani@seibold.net>
To: linux-kernel <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>
Subject: [tip:x86/urgent] fs: fix /proc/<pid>/stat stack pointer for kernel threads
Date: Fri, 13 Nov 2009 09:01:25 +0100	[thread overview]
Message-ID: <1258099285.13493.1.camel@wall-e> (raw)
In-Reply-To: <1257239184.4889.15.camel@wall-e>

This patch fix a small issue for the stack pointer in /proc/<pid>/stat.
In case of a kernel thread the value of the printed stack pointer should be 0.

Signed-off-by: Stefani Seibold <stefani@seibold.net>
---
 array.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.32-rc5.old/fs/proc/array.c	2009-10-16 02:41:50.000000000 +0200
+++ linux-2.6.32-rc5.new/fs/proc/array.c	2009-11-05 13:46:58.770599144 +0100
@@ -571,7 +571,7 @@
 		rsslim,
 		mm ? mm->start_code : 0,
 		mm ? mm->end_code : 0,
-		(permitted) ? task->stack_start : 0,
+		(permitted && mm) ? task->stack_start : 0,
 		esp,
 		eip,
 		/* The signal information here is obsolete.




  parent reply	other threads:[~2009-11-13  8:01 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-03  7:31 [PATCH] update fix X86_64 procfs provide stack information for threads Stefani Seibold
2009-11-03  8:28 ` Ingo Molnar
2009-11-03  9:06   ` Stefani Seibold
2009-11-03 18:16     ` Ingo Molnar
2009-11-05  8:19     ` [PATCH] RFC x86_64 more accurate KSTK_ESP implementation Stefani Seibold
2009-11-05 11:08       ` Andi Kleen
2009-11-05 12:11         ` Stefani Seibold
2009-11-08 11:35       ` Ingo Molnar
2009-11-08 12:51         ` Stefani Seibold
2009-11-08 12:55           ` Ingo Molnar
2009-11-08 14:00             ` Stefani Seibold
2009-11-08 16:34               ` H. Peter Anvin
2009-11-08 19:37         ` Andi Kleen
2009-11-05 13:02     ` [PATCH] fix /proc/<pid>/stat stack pointer for kernel threads Stefani Seibold
2009-11-13  8:01     ` Stefani Seibold [this message]
2009-11-04 11:17 ` [PATCH] update fix X86_64 procfs provide stack information for threads Andi Kleen
2009-11-04 11:50   ` Stefani Seibold
2009-11-04 12:00     ` Andi Kleen
2009-11-04 12:22       ` Stefani Seibold
2009-11-04 15:42       ` Stefani Seibold
2009-11-04 22:21       ` Stefani Seibold

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