Martin Schwidefsky writes:
> Powerpc already has a directed yield for CONFIG_PREEMPT="n". To make
> it work with CONFIG_PREEMPT="y" as well the _raw_{spin,read,write}_relax
> primitives need to be defined to call __spin_yield() for spinlocks and
> __rw_yield() for rw-locks.
Acked-by: Paul Mackerras <[email protected]>
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