Commit-ID: 30a35f79faadfeb1b89a7fdb3875f14063519041
Gitweb: https://git.kernel.org/tip/30a35f79faadfeb1b89a7fdb3875f14063519041
Author: Arnd Bergmann <a...@arndb.de>
AuthorDate: Fri, 28 Jun 2019 12:29:03 +0200
Committer: Ingo Molnar <mi...@kernel.org>
CommitDate: Thu, 25 Jul 2019 15:39:26 +0200
locking/lockdep: Clean up #ifdef checks
As Will Deacon points out, CONFIG_PROVE_LOCKING implies TRACE_IRQFLAGS,
so the conditions I added in the previous patch, and some others in the
same file can be simplified by only checking for the former.
No functional change.
Signed-off-by: Arnd Bergmann <a...@arndb.de>
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Acked-by: Will Deacon <w...@kernel.org>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Bart Van Assche <bvanass...@acm.org>
Cc: Frederic Weisbecker <frede...@kernel.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Waiman Long <long...@redhat.com>
Cc: Yuyang Du <duyuy...@gmail.com>
Fixes: 886532aee3cd ("locking/lockdep: Move mark_lock() inside
CONFIG_TRACE_IRQFLAGS && CONFIG_PROVE_LOCKING")
Link: https://lkml.kernel.org/r/20190628102919.2345242-1-a...@arndb.de
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
kernel/locking/lockdep.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 341f52117f88..4861cf8e274b 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -448,7 +448,7 @@ static void print_lockdep_off(const char *bug_msg)
unsigned long nr_stack_trace_entries;
-#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING)
+#ifdef CONFIG_PROVE_LOCKING
/*
* Stack-trace: tightly packed array of stack backtrace
* addresses. Protected by the graph_lock.
@@ -491,7 +491,7 @@ unsigned int max_lockdep_depth;
DEFINE_PER_CPU(struct lockdep_stats, lockdep_stats);
#endif
-#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING)
+#ifdef CONFIG_PROVE_LOCKING
/*
* Locking printouts:
*/
@@ -2969,7 +2969,7 @@ static void check_chain_key(struct task_struct *curr)
#endif
}
-#if defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING)
+#ifdef CONFIG_PROVE_LOCKING
static int mark_lock(struct task_struct *curr, struct held_lock *this,
enum lock_usage_bit new_bit);
@@ -3608,7 +3608,7 @@ static int mark_lock(struct task_struct *curr, struct
held_lock *this,
return ret;
}
-#else /* defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING) */
+#else /* CONFIG_PROVE_LOCKING */
static inline int
mark_usage(struct task_struct *curr, struct held_lock *hlock, int check)
@@ -3627,7 +3627,7 @@ static inline int separate_irq_context(struct task_struct
*curr,
return 0;
}
-#endif /* defined(CONFIG_TRACE_IRQFLAGS) && defined(CONFIG_PROVE_LOCKING) */
+#endif /* CONFIG_PROVE_LOCKING */
/*
* Initialize a lock instance's lock-class mapping info:
@@ -4321,8 +4321,7 @@ static void __lock_unpin_lock(struct lockdep_map *lock,
struct pin_cookie cookie
*/
static void check_flags(unsigned long flags)
{
-#if defined(CONFIG_PROVE_LOCKING) && defined(CONFIG_DEBUG_LOCKDEP) && \
- defined(CONFIG_TRACE_IRQFLAGS)
+#if defined(CONFIG_PROVE_LOCKING) && defined(CONFIG_DEBUG_LOCKDEP)
if (!debug_locks)
return;
