This is a note to let you know that I've just added the patch titled
tracing: Reset ftrace_graph_filter_enabled if count is zero
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:
tracing-reset-ftrace_graph_filter_enabled-if-count-is-zero.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 <[email protected]> know about it.
>From 9f50afccfdc15d95d7331acddcb0f7703df089ae Mon Sep 17 00:00:00 2001
From: Namhyung Kim <[email protected]>
Date: Thu, 11 Apr 2013 16:01:38 +0900
Subject: tracing: Reset ftrace_graph_filter_enabled if count is zero
From: Namhyung Kim <[email protected]>
commit 9f50afccfdc15d95d7331acddcb0f7703df089ae upstream.
The ftrace_graph_count can be decreased with a "!" pattern, so that
the enabled flag should be updated too.
Link:
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Namhyung Kim <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
kernel/trace/ftrace.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3287,7 +3287,8 @@ out:
if (fail)
return -EINVAL;
- ftrace_graph_filter_enabled = 1;
+ ftrace_graph_filter_enabled = !!(*idx);
+
return 0;
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/tracing-fix-off-by-one-on-allocating-stat-pages.patch
queue-3.0/tracing-reset-ftrace_graph_filter_enabled-if-count-is-zero.patch
queue-3.0/tracing-check-return-value-of-tracing_init_dentry.patch
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