Re: [PATCH 2/4] ipc/sem: seperate wait-for-zero and alter tasks intoseperate queues

[Rik van Riel]

On 05/26/2013 05:08 AM, Manfred Spraul wrote:
> Introduce seperate queues for operations that do not modify the
> semaphore values.
> Advantages:
> - Simpler logic in check_restart().
> - Faster update_queue(): Right now, all wait-for-zero operations
>    are always tested, even if the semaphore value is not 0.
> - wait-for-zero gets again priority, as in linux <=3.0.9

Whether this complexity is wanted is not for
me to decide, as I am not the ipc/sem.c
maintainer. I'll leave that up to Andrew and Linus.

The code looks correct, though.

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

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