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

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Message-ID: <4906D0AE.7020903@gmail.com>
Date:	Tue, 28 Oct 2008 09:43:26 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: [PATCH][RESEND] tracing: fix a build error on alpha

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_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'

Tested on Alpha through a cross-compiler (should correct a similar issue on m68k).

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 306e433..c09493e 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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