From: Borislav Petkov <bp@alien8.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] locking/lockdep: Fix print_collision() unused warning
Date: Mon, 4 Apr 2016 10:42:07 +0200 [thread overview]
Message-ID: <1459759327-2880-1-git-send-email-bp@alien8.de> (raw)
From: Borislav Petkov <bp@suse.de>
Fix this:
kernel/locking/lockdep.c:2051:13: warning: ‘print_collision’ defined but not used [-Wunused-function]
static void print_collision(struct task_struct *curr,
^
Signed-off-by: Borislav Petkov <bp@suse.de>
---
kernel/locking/lockdep.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 2324ba5310db..ed9410936a22 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -1999,6 +1999,7 @@ static inline int get_first_held_lock(struct task_struct *curr,
return ++i;
}
+#ifdef CONFIG_DEBUG_LOCKDEP
/*
* Returns the next chain_key iteration
*/
@@ -2069,6 +2070,7 @@ static void print_collision(struct task_struct *curr,
printk("\nstack backtrace:\n");
dump_stack();
}
+#endif
/*
* Checks whether the chain and the current held locks are consistent
--
2.5.0.rc2.28.g6003e7f
next reply other threads:[~2016-04-04 8:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 8:42 Borislav Petkov [this message]
2016-04-04 10:01 ` [tip:locking/urgent] " tip-bot for Borislav Petkov
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