Re: [PATCH v2 07/13] rwsem: use cmpxchg for trying to steal writelock

[Rik van Riel]

On 03/15/2013 06:54 AM, Michel Lespinasse wrote:
> Using rwsem_atomic_update to try stealing the write lock forced us to
> undo the adjustment in the failure path. We can have simpler and faster
> code by using cmpxchg instead.
>
> Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>

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

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