Re: [PATCH v4 2/7] locking/pvqspinlock: Add pending bit support

From: Davidlohr Bueso
Date: Mon Aug 03 2015 - 14:37:20 EST


On Fri, 2015-07-31 at 22:21 -0400, Waiman Long wrote:
> /*
> + * Try to acquire the lock and wait using the pending bit
> + */
> +static int pv_pending_lock(struct qspinlock *lock, u32 val)

Sorry but, why did yo not rewrite the function as we had previously
discussed. This is very confusing to read, the one I suggested follows a
much nicer flow and purposely illustrates the intention. You also failed
to address my loop semantics concerns altogether.

Thanks,
Davidlohr

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