linux-kernel - [PATCH] tracing: fix a build error on alpha and m68k

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Date:	Thu, 23 Oct 2008 19:27:48 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH] tracing: fix a build error on alpha and m68k

When tracing is enabled, some arch have included <linux/irqflags.h>
on their <asm/system.h> but others like alpha or m68k don't.

Build error on alpha:

kernel/trace/trace.c: In function 'tracing_generic_entry_update':
kernel/trace/trace.c:658: error: implicit declaration of function 'irqs_disabled_flags'
kernel/trace/trace.c: In function 'tracing_cpumask_write':
kernel/trace/trace.c:2145: error: implicit declaration of function 'raw_local_irq_disable'
kernel/trace/trace.c:2162: error: implicit declaration of function 'raw_local_irq_enable'
kernel/trace/trace.c: In function 'trace_die_handler':
kernel/trace/trace.c:3039: error: 'DIE_OOPS' undeclared (first use in this function)

Build error on m68k:
http://kisskb.ellerman.id.au/kisskb/buildresult/50641/


Include it on kernel/trace/trace.c

Reported-by: Alexey Dobriyan <adobriyan@...il.com>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 78d5661..deb9684 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -34,6 +34,7 @@
 
 #include <linux/stacktrace.h>
 #include <linux/ring_buffer.h>
+#include <linux/irqflags.h>
 
 #include "trace.h"
 
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