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

Will Deacon will at kernel.org
Tue Sep 15 12:10:48 EDT 2020


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 at linutronix.de>
> ---
>  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 at kernel.org>

Will



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