linux-kernel - [PATCH 1/2] kernel: Use CALLER

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Message-Id: <1261332469-25298-1-git-send-email-tfransosi@gmail.com>
Date:	Sun, 20 Dec 2009 13:07:46 -0500
From:	Thiago Farina <tfransosi@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Arjan van de Ven <arjan@...ux.intel.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH 1/2] kernel: Use CALLER_ADDR0 macro.

Use CALLER_ADDR0 instead of (unsigned long)__builtin_return_address(0),
since this macro was created for this.

This patch was generated by:
sed -i "s/(unsigned long)__builtin_return_address(0)/CALLER_ADDR0/g" path/to/file

Signed-off-by: Thiago Farina <tfransosi@...il.com>
---
 kernel/panic.c   |    2 +-
 kernel/softirq.c |    8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/panic.c b/kernel/panic.c
index 5827f7b..55b0b71 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -129,7 +129,7 @@ NORET_TYPE void panic(const char * fmt, ...)
 	{
 		unsigned long caller;
 
-		caller = (unsigned long)__builtin_return_address(0);
+		caller = CALLER_ADDR0;
 		disabled_wait(caller);
 	}
 #endif
diff --git a/kernel/softirq.c b/kernel/softirq.c
index a09502e..979e029 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -116,7 +116,7 @@ static inline void __local_bh_disable(unsigned long ip)
 
 void local_bh_disable(void)
 {
-	__local_bh_disable((unsigned long)__builtin_return_address(0));
+	__local_bh_disable(CALLER_ADDR0);
 }
 
 EXPORT_SYMBOL(local_bh_disable);
@@ -132,7 +132,7 @@ void _local_bh_enable(void)
 	WARN_ON_ONCE(!irqs_disabled());
 
 	if (softirq_count() == SOFTIRQ_OFFSET)
-		trace_softirqs_on((unsigned long)__builtin_return_address(0));
+		trace_softirqs_on(CALLER_ADDR0);
 	sub_preempt_count(SOFTIRQ_OFFSET);
 }
 
@@ -167,7 +167,7 @@ static inline void _local_bh_enable_ip(unsigned long ip)
 
 void local_bh_enable(void)
 {
-	_local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+	_local_bh_enable_ip(CALLER_ADDR0);
 }
 EXPORT_SYMBOL(local_bh_enable);
 
@@ -198,7 +198,7 @@ asmlinkage void __do_softirq(void)
 	pending = local_softirq_pending();
 	account_system_vtime(current);
 
-	__local_bh_disable((unsigned long)__builtin_return_address(0));
+	__local_bh_disable(CALLER_ADDR0);
 	lockdep_softirq_enter();
 
 	cpu = smp_processor_id();
-- 
1.6.6.rc0.61.g41d5b

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