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Date:   Thu, 16 May 2019 21:13:26 +0200
From:   Anders Roxell <anders.roxell@...aro.org>
To:     peterz@...radead.org, mingo@...hat.com, will.deacon@....com
Cc:     linux-kernel@...r.kernel.org,
        Anders Roxell <anders.roxell@...aro.org>
Subject: [PATCH] locking/lockdep: remove print_lock_trace function

gcc warns that function print_lock_trace() is unused if
CONFIG_PROVE_LOCKING isn't set.

../kernel/locking/lockdep.c:2820:13: warning: ‘print_lock_trace’ defined
   but not used [-Wunused-function]
 static void print_lock_trace(struct lock_trace *trace, unsigned int
   spaces)

Rework so we remove the function if CONFIG_PROVE_LOCKING isn't set.

Fixes: c120bce78065 ("lockdep: Simplify stack trace handling")
Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
---
 kernel/locking/lockdep.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index d06190fa5082..df1bd3ba56bc 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2816,10 +2816,6 @@ static inline int validate_chain(struct task_struct *curr,
 {
 	return 1;
 }
-
-static void print_lock_trace(struct lock_trace *trace, unsigned int spaces)
-{
-}
 #endif
 
 /*
-- 
2.20.1

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