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

On 05/08/2014 03:04 PM, Peter Zijlstra wrote:
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.

Yes, I can certainly merge it to the next one in the series. I break it out to make each individual patch smaller, more single-purpose and easier to review.


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