Re: [PATCH 1/2] locking/rwsem: Add CONFIG_RWSEM_SPIN_ON_OWNER

[Jason Low]

On Fri, 2014-06-06 at 08:55 -0700, Davidlohr Bueso wrote:
> Just like with mutexes (CONFIG_MUTEX_SPIN_ON_OWNER),
> encapsulate the dependencies for rwsem optimistic spinning.
> No logical changes here as it continues to depend on both
> SMP and the XADD algorithm variant.
> 
> Signed-off-by: Davidlohr Bueso <davidlohr@xxxxxx>
> ---
>  include/linux/rwsem.h  | 4 ++--
>  kernel/Kconfig.locks   | 4 ++++
>  kernel/locking/rwsem.c | 2 +-
>  3 files changed, 7 insertions(+), 3 deletions(-)

Do we also want to add an #ifdef CONFIG_RWSEM_SPIN_ON_OWNER in
__init_rwsem() and in the optimistic spinning functions for rwsem-xadd?


Besides that:

Acked-by: Jason Low <jason.low2@xxxxxx>


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