[PATCH] signals: move trace header #include to after all others.

[Ian Campbell]

Steven Rostedt says:
    The trace events headers are suppose to be the last headers
    included.
and this fixes a build error when another header already includes trace stuff,
which I saw when adding a highmem.h include to skbuff.h e.g.:
In file included from include/trace/ftrace.h:296:0,
                 from include/trace/define_trace.h:96,
                 from include/trace/events/irq.h:150,
                 from include/linux/interrupt.h:23,
                 from arch/x86/include/asm/highmem.h:23,
                 from include/linux/highmem.h:33,
                 from include/linux/skbuff.h:32,
                 from kernel/audit.h:24,
                 from kernel/signal.c:38:
include/trace/events/irq.h: In function 'ftrace_raw_output_softirq':
include/trace/events/irq.h:87:1: error: 'HI_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: note: each undeclared identifier is reported only once for each function it appears in
include/trace/events/irq.h:87:1: error: 'TIMER_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'NET_TX_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'NET_RX_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'BLOCK_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'BLOCK_IOPOLL_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'TASKLET_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'SCHED_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'HRTIMER_SOFTIRQ' undeclared (first use in this function)
include/trace/events/irq.h:87:1: error: 'RCU_SOFTIRQ' undeclared (first use in this function)

See http://lkml.kernel.org/r/1313668307.5010.300.camel@xxxxxxxxxxxxxxxxxxxxxx

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
---
 kernel/signal.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 291c970..d3cd4e7 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -28,8 +28,6 @@
 #include <linux/freezer.h>
 #include <linux/pid_namespace.h>
 #include <linux/nsproxy.h>
-#define CREATE_TRACE_POINTS
-#include <trace/events/signal.h>
 
 #include <asm/param.h>
 #include <asm/uaccess.h>
@@ -37,6 +35,9 @@
 #include <asm/siginfo.h>
 #include "audit.h"	/* audit_signal_info() */
 
+#define CREATE_TRACE_POINTS
+#include <trace/events/signal.h>
+
 /*
  * SLAB caches for signal bits.
  */
-- 
1.7.2.5

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