From e7a38f63ba50dc95426dd50c43383dfecaa35d7f Mon Sep 17 00:00:00 2001
From: Yuyang Du <duyuyang@gmail.com>
Date: Mon, 6 May 2019 16:19:20 +0800
Subject: [PATCH] locking/lockdep: Remove useless conditional macro
Since #defined(CONFIG_PROVE_LOCKING) is used in the scope of #ifdef
CONFIG_PROVE_LOCKING, it can be removed.
Signed-off-by: Yuyang Du <duyuyang@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: bvanassche@acm.org
Cc: frederic@kernel.org
Cc: ming.lei@redhat.com
Cc: will.deacon@arm.com
Link: https://lkml.kernel.org/r/20190506081939.74287-5-duyuyang@gmail.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
kernel/locking/lockdep.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index a033df00fd1d2..3c477018e184e 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -1674,7 +1674,7 @@ check_redundant(struct lock_list *root, struct lock_class *target,
return result;
}
-#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING)
+#ifdef CONFIG_TRACE_IRQFLAGS
static inline int usage_accumulate(struct lock_list *entry, void *mask)
{
@@ -2152,7 +2152,7 @@ static inline void inc_chains(void)
nr_process_chains++;
}
-#endif
+#endif /* CONFIG_TRACE_IRQFLAGS */
static void
print_deadlock_scenario(struct held_lock *nxt, struct held_lock *prv)
@@ -2829,7 +2829,7 @@ static inline int validate_chain(struct task_struct *curr,
{
return 1;
}
-#endif
+#endif /* CONFIG_PROVE_LOCKING */
/*
* We are building curr_chain_key incrementally, so double-check