linux-kernel - [PATCH 1/2] kernel:fork: fix dependency of hardirqs_enabled and softirqs

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Message-Id: <1272988872-2347-1-git-send-email-tom.leiming@gmail.com>
Date:	Wed,  5 May 2010 00:01:12 +0800
From:	tom.leiming@...il.com
To:	mingo@...e.hu
Cc:	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	Ming Lei <tom.leiming@...il.com>
Subject: [PATCH 1/2] kernel:fork: fix dependency of hardirqs_enabled and softirqs_enabled

From: Ming Lei <tom.leiming@...il.com>

The defination of hardirqs_enabled and softirqs_enabled in task_struct
depends on CONFIG_TRACE_IRQFLAGS instead of CONFIG_PROVE_LOCKING.

Signed-off-by: Ming Lei <tom.leiming@...il.com>
---
 kernel/fork.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 44b0791..038a8fd 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1004,7 +1004,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 
 	rt_mutex_init_task(p);
 
-#ifdef CONFIG_PROVE_LOCKING
+#ifdef CONFIG_TRACE_IRQFLAGS
 	DEBUG_LOCKS_WARN_ON(!p->hardirqs_enabled);
 	DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled);
 #endif
-- 
1.6.2.5

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