linux-kernel - Patch "ftrace: Move ftrace_filter_lseek out of CONFIG_DYNAMIC_FTRACE section" has been added to the 3.0-stable tree

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Date:	Mon, 10 Jun 2013 14:28:01 -0700
From:	<gregkh@...uxfoundation.org>
To:	lizefan@...wei.com, fweisbec@...il.com, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, mingo@...nel.org,
	namhyung@...nel.org, rostedt@...dmis.org, stable@...r.kernel.org
Cc:	<stable@...r.kernel.org>, <stable-commits@...r.kernel.org>
Subject: Patch "ftrace: Move ftrace_filter_lseek out of CONFIG_DYNAMIC_FTRACE section" has been added to the 3.0-stable tree


This is a note to let you know that I've just added the patch titled

    ftrace: Move ftrace_filter_lseek out of CONFIG_DYNAMIC_FTRACE section

to the 3.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     ftrace-move-ftrace_filter_lseek-out-of-config_dynamic_ftrace-section.patch
and it can be found in the queue-3.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@...r.kernel.org> know about it.


>From lizefan@...wei.com  Mon Jun 10 14:16:48 2013
From: Li Zefan <lizefan@...wei.com>
Date: Fri, 7 Jun 2013 17:01:04 +0800
Subject: ftrace: Move ftrace_filter_lseek out of CONFIG_DYNAMIC_FTRACE section
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Namhyung Kim <namhyung@...nel.org>, Frederic Weisbecker <fweisbec@...il.com>, Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>, stable <stable@...r.kernel.org>
Message-ID: <51B1A150.6030804@...wei.com>


From: Steven Rostedt <rostedt@...dmis.org>

commit 7f49ef69db6bbf756c0abca7e9b65b32e999eec8 upstream.

As ftrace_filter_lseek is now used with ftrace_pid_fops, it needs to
be moved out of the #ifdef CONFIG_DYNAMIC_FTRACE section as the
ftrace_pid_fops is defined when DYNAMIC_FTRACE is not.

Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Cc: Namhyung Kim <namhyung@...nel.org>
[ lizf: adjust context ]
Signed-off-by: Li Zefan <lizefan@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 kernel/trace/ftrace.c |   26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -933,6 +933,19 @@ static __init void ftrace_profile_debugf
 
 static struct pid * const ftrace_swapper_pid = &init_struct_pid;
 
+static loff_t
+ftrace_filter_lseek(struct file *file, loff_t offset, int whence)
+{
+	loff_t ret;
+
+	if (file->f_mode & FMODE_READ)
+		ret = seq_lseek(file, offset, whence);
+	else
+		file->f_pos = ret = 1;
+
+	return ret;
+}
+
 #ifdef CONFIG_DYNAMIC_FTRACE
 
 #ifndef CONFIG_FTRACE_MCOUNT_RECORD
@@ -2299,19 +2312,6 @@ ftrace_notrace_open(struct inode *inode,
 				 inode, file);
 }
 
-static loff_t
-ftrace_filter_lseek(struct file *file, loff_t offset, int origin)
-{
-	loff_t ret;
-
-	if (file->f_mode & FMODE_READ)
-		ret = seq_lseek(file, offset, origin);
-	else
-		file->f_pos = ret = 1;
-
-	return ret;
-}
-
 static int ftrace_match(char *str, char *regex, int len, int type)
 {
 	int matched = 0;


Patches currently in stable-queue which might be from lizefan@...wei.com are

queue-3.0/tracing-fix-possible-null-pointer-dereferences.patch
queue-3.0/ftrace-move-ftrace_filter_lseek-out-of-config_dynamic_ftrace-section.patch
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