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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@gmail.com>
AuthorDate: Wed, 5 May 2010 00:01:12 +0800
Committer: Ingo Molnar <mingo@elte.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@gmail.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <1272988872-2347-1-git-send-email-tom.leiming@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.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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