Re: [patch 06/13] locking/bitspinlock: Clenaup PREEMPT_COUNT leftovers

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On Mon, Sep 14, 2020 at 10:42:15PM +0200, Thomas Gleixner wrote:
CONFIG_PREEMPT_COUNT is now unconditionally enabled and will be
removed. Cleanup the leftovers before doing so.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 include/linux/bit_spinlock.h |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/include/linux/bit_spinlock.h
+++ b/include/linux/bit_spinlock.h
@@ -90,10 +90,8 @@ static inline int bit_spin_is_locked(int
 {
 #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

Acked-by: Will Deacon <will@xxxxxxxxxx>

Will



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