From: Steven Rostedt <rostedt@goodmis.org>
Date: Thu, 2 Oct 2008 23:23:04 +0000 (-0400)
Subject: ftrace: move pc counter in irqtrace
X-Git-Tag: v2.6.28-rc1~78^2~19
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=6450c1d3213e27b0dcbf34cce7ad1ae74244c520;p=linux-2.6-omap-h63xx.git

ftrace: move pc counter in irqtrace

The assigning of the pc counter is in the wrong spot in the
check_critical_timing function. The pc variable is used in the
out jump.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index f925dbbff2a..a7db7f040ae 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -142,11 +142,11 @@ check_critical_timing(struct trace_array *tr,
 
 	local_save_flags(flags);
 
+	pc = preempt_count();
+
 	if (!report_latency(delta))
 		goto out;
 
-	pc = preempt_count();
-
 	spin_lock_irqsave(&max_trace_lock, flags);
 
 	/* check if we are still the max latency */