linux-kernel - [tip:tracing/core] tracing: fix build failure on s390

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Date:	Wed, 29 Apr 2009 12:10:01 GMT
From:	tip-bot for Heiko Carstens <heiko.carstens@...ibm.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rostedt@...dmis.org, sachinp@...ibm.com, heiko.carstens@...ibm.com,
	tglx@...utronix.de, mingo@...e.hu
Subject: [tip:tracing/core] tracing: fix build failure on s390

Commit-ID:  a0e39ed378fb6ba916522764cd508fa7d42ad495
Gitweb:     http://git.kernel.org/tip/a0e39ed378fb6ba916522764cd508fa7d42ad495
Author:     Heiko Carstens <heiko.carstens@...ibm.com>
AuthorDate: Wed, 29 Apr 2009 13:51:39 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Wed, 29 Apr 2009 14:06:21 +0200

tracing: fix build failure on s390

"tracing: create automated trace defines" causes this compile error on s390,
as reported by Sachin Sant against linux-next:

 kernel/built-in.o: In function `__do_softirq':
 (.text+0x1c680): undefined reference to `__tracepoint_softirq_entry'

This happens because the definitions of the softirq tracepoints were moved
from kernel/softirq.c to kernel/irq/handle.c. Since s390 doesn't support
generic hardirqs handle.c doesn't get compiled and the definitions are
missing.

So move the tracepoints to softirq.c again.

[ Impact: fix build failure on s390 ]

Reported-by: Sachin Sant <sachinp@...ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: fweisbec@...il.com
LKML-Reference: <20090429135139.5fac79b8@...ris.boeblingen.de.ibm.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 kernel/irq/handle.c |    2 --
 kernel/softirq.c    |    2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 37c6363..e68bb5a 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -18,8 +18,6 @@
 #include <linux/rculist.h>
 #include <linux/hash.h>
 #include <linux/bootmem.h>
-
-#define CREATE_TRACE_POINTS
 #include <trace/events/irq.h>
 
 #include "internals.h"
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 7ab9dfd..d4ba347 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -24,6 +24,8 @@
 #include <linux/ftrace.h>
 #include <linux/smp.h>
 #include <linux/tick.h>
+
+#define CREATE_TRACE_POINTS
 #include <trace/events/irq.h>
 
 #include <asm/irq.h>
--
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