From: "tip-bot2 for Thomas Gleixner" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Will Deacon <will@kernel.org>,
"Paul E. McKenney" <paulmck@kernel.org>, x86 <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [tip: core/rcu] locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers
Date: Fri, 09 Oct 2020 17:01:26 -0000 [thread overview]
Message-ID: <160226288653.7002.2578979062422193705.tip-bot2@tip-bot2> (raw)
The following commit has been merged into the core/rcu branch of tip:
Commit-ID: cce05b43263a1b12b7c0a8b003d6c2295e17f580
Gitweb: https://git.kernel.org/tip/cce05b43263a1b12b7c0a8b003d6c2295e17f580
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 14 Sep 2020 19:28:08 +02:00
Committer: Paul E. McKenney <paulmck@kernel.org>
CommitterDate: Mon, 28 Sep 2020 16:03:20 -07:00
locking/bitspinlock: Cleanup PREEMPT_COUNT leftovers
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
}
reply other threads:[~2020-10-09 17:02 UTC|newest]
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