Messages in this thread Patch in this message | | | Date | Wed, 26 Nov 2008 21:52:28 -0500 | From | Steven Rostedt <> | Subject | [PATCH 1/1] ring-buffer: prevent recursion |
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From: Lai Jiangshan <laijs@cn.fujitsu.com>
Impact: fix to recursion in function tracer with schedule
If the resched flag was set before we entered, then don't reschedule.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> --- kernel/trace/ring_buffer.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index f780e95..668bbb5 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1215,7 +1215,7 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, out: if (resched) - preempt_enable_notrace(); + preempt_enable_no_resched_notrace(); else preempt_enable_notrace(); return NULL; -- 1.5.6.5 --
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