Re: [Xen-devel] [PATCH v10 08/19] qspinlock: Make a new qnode structure to support virtualization

[Peter Zijlstra <peterz@xxxxxxxxxxxxx>]

On Wed, May 07, 2014 at 11:01:36AM -0400, Waiman Long wrote:
>  /*
> + * To have additional features for better virtualization support, it is
> + * necessary to store additional data in the queue node structure. So
> + * a new queue node structure will have to be defined and used here.
> + */
> +struct qnode {
> +     struct mcs_spinlock mcs;
> +};

You can ditch this entire patch; its pointless, just add a new
DEFINE_PER_CPU for the para-virt muck.

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