From: Will Deacon <will.deacon@xxxxxxx>
Date: Fri, 21 Jun 2013 18:17:36 +0100
> 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 Sparc.
>
> Cc: David Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
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