Re: [PATCH v2 09/13] rwsem: skip initial trylock in rwsem_down_write_failed

[Rik van Riel]

On 03/15/2013 06:54 AM, Michel Lespinasse wrote:
> We can skip the initial trylock in rwsem_down_write_failed() if there are
> known active lockers already, thus saving one likely-to-fail cmpxchg.
>
> Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>

Acked-by: Rik van Riel <riel@xxxxxxxxxx>


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