linux-kernel - [tip:core/locking] lockdep, fork: Fix dependency of hardirqs_enabled and softirqs

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Date:	Tue, 4 May 2010 17:04:46 GMT
From:	tip-bot for Ming Lei <tom.leiming@...il.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	peterz@...radead.org, tglx@...utronix.de, tom.leiming@...il.com,
	mingo@...e.hu
Subject: [tip:core/locking] lockdep, fork: Fix dependency of hardirqs_enabled and softirqs_enabled

Commit-ID:  9ca79f1559dc54268bdf129c0b2a1e2bcebeb0d5
Gitweb:     http://git.kernel.org/tip/9ca79f1559dc54268bdf129c0b2a1e2bcebeb0d5
Author:     Ming Lei <tom.leiming@...il.com>
AuthorDate: Wed, 5 May 2010 00:01:12 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 4 May 2010 18:33:20 +0200

lockdep, fork: Fix dependency of hardirqs_enabled and softirqs_enabled

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>
Acked-by: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <1272988872-2347-1-git-send-email-tom.leiming@...il.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 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
--
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