From: Cyrill Gorcunov <gorcunov@openvz.org>
Date: Thu, 19 May 2011 23:45:48 +0000 (-0700)
Subject: x86, x2apic: Track the x2apic cluster sibling map
X-Git-Tag: v3.0-rc1~334^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a39d1f3f67f6a3d72b24f0d8bf9a295a27ea448e;p=pandora-kernel.git

x86, x2apic: Track the x2apic cluster sibling map

In the case of x2apic cluster mode, we can group IPI register
writes based on the cluster group instead of individual per-cpu
destination messages.

For this purpose, track the cpu's that belong to the same x2apic
cluster.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: steiner@sgi.com
Cc: yinghai@kernel.org
Link: http://lkml.kernel.org/r/20110519234637.421800999@sbsiddha-MOBL3.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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