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From:   paulmck@kernel.org
To:     rcu@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org,
        jiangshanlai@gmail.com, akpm@linux-foundation.org,
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        tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org,
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        oleg@redhat.com, joel@joelfernandes.org, mhocko@kernel.org,
        mgorman@techsingularity.net, torvalds@linux-foundation.org,
        "Paul E . McKenney" <paulmck@kernel.org>
Subject: [PATCH tip/core/rcu 06/15] locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers
Date:   Mon, 28 Sep 2020 16:30:53 -0700
Message-Id: <20200928233102.24265-6-paulmck@kernel.org>
In-Reply-To: <20200928233041.GA23230@paulmck-ThinkPad-P72>
References: <20200928233041.GA23230@paulmck-ThinkPad-P72>
Precedence: bulk

From: Thomas Gleixner <tglx@linutronix.de>

CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
---
 include/linux/bit_spinlock.h | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h
index bbc4730..1e03d54 100644
--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -90,10 +90,8 @@ static inline int bit_spin_is_locked(int bitnum, unsigned long *addr)
 {
 #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)
 	return test_bit(bitnum, addr);
-#elif defined CONFIG_PREEMPT_COUNT
-	return preempt_count();
 #else
-	return 1;
+	return preempt_count();
 #endif
 }
 
-- 
2.9.5