[PATCH] powerpc: qspinlock: Use asm-generic definition for queued_spin_lock

[Michael Ellerman]

Rohan McLure <rmclure at linux.ibm.com> writes:
> asm-generic/qspinlock.h provides an identical implementation of
> queued_spin_lock. Remove the variant in asm/qspinlock.h.

This code has changed recently, so this patch no longer applies.

See 9f61521c7a28 ("powerpc/qspinlock: powerpc qspinlock implementation")
in powerpc/next.

cheers


> diff --git a/arch/powerpc/include/asm/qspinlock.h b/arch/powerpc/include/asm/qspinlock.h
> index b676c4fb90fd..bf5ba0f00258 100644
> --- a/arch/powerpc/include/asm/qspinlock.h
> +++ b/arch/powerpc/include/asm/qspinlock.h
> @@ -33,17 +33,6 @@ static inline void queued_spin_unlock(struct qspinlock *lock)
>  extern void queued_spin_lock_slowpath(struct qspinlock *lock, u32 val);
>  #endif
>  
> -static __always_inline void queued_spin_lock(struct qspinlock *lock)
> -{
> -	u32 val = 0;
> -
> -	if (likely(arch_atomic_try_cmpxchg_lock(&lock->val, &val, _Q_LOCKED_VAL)))
> -		return;
> -
> -	queued_spin_lock_slowpath(lock, val);
> -}
> -#define queued_spin_lock queued_spin_lock
> -
>  #ifdef CONFIG_PARAVIRT_SPINLOCKS
>  #define SPIN_THRESHOLD (1<<15) /* not tuned */
>  
> -- 
> 2.37.2