Re: [PATCH v10 08/19] qspinlock: Make a new qnode structure to support virtualization
From: Peter Zijlstra <peterz@infradead.org>
Date: 2014-05-08 19:05:04
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kvm, linux-arch, lkml
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.