Re: [RFC PATCH 02/16] arc: locks: remove unused arch_*_relax operations

[Vineet Gupta <Vineet.Gupta1@synopsys.com>]

Hi Will,

On 06/21/2013 10:47 PM, Will Deacon wrote:
> The arch_{spin,read,write}_relax macros are not used anywhere in the
> kernel and are typically just aliases for cpu_relax().
>
> This patch removes the unused definitions for Arc.

For consistency sake, can you please uppercase to ARC in changelog above. Same
goes for arc prefix in patch subject.

>
> Cc: Vineet Gupta <vgupta@synopsys.com>
> Signed-off-by: Will Deacon <will.deacon@arm.com>

Acked-by: Vineet Gupta <vgupta@synopsys.com>

Thx,
-Vineet
> ---
>  arch/arc/include/asm/spinlock.h | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h
> index f158197..fddced5 100644
> --- a/arch/arc/include/asm/spinlock.h
> +++ b/arch/arc/include/asm/spinlock.h
> @@ -137,8 +137,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
>  #define arch_read_lock_flags(lock, flags)	arch_read_lock(lock)
>  #define arch_write_lock_flags(lock, flags)	arch_write_lock(lock)
>  
> -#define arch_spin_relax(lock)	cpu_relax()
> -#define arch_read_relax(lock)	cpu_relax()
> -#define arch_write_relax(lock)	cpu_relax()
> -
>  #endif /* __ASM_SPINLOCK_H */