Messages in this thread Patch in this message | | | Date | Thu, 27 Nov 2008 10:21:46 +0800 | From | Lai Jiangshan <> | Subject | [PATCH] ftrace: prevent recursion |
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if the resched flag was set before we entered, then don't reschedule.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> --- 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;
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