- Remove the old smp cpu topology specification with a new, more flexible

   tree structure that encodes the level of cache sharing and other
   properties.
 - Provide several convenience functions for creating one and two level
   cpu trees as well as a default flat topology.  The system now always
   has some topology.
 - On i386 and amd64 create a seperate level in the hierarchy for HTT
   and multi-core cpus.  This will allow the scheduler to intelligently
   load balance non-uniform cores.  Presently we don't detect what level
   of the cache hierarchy is shared at each level in the topology.
 - Add a mechanism for testing common topologies that have more information
   than the MD code is able to provide via the kern.smp.topology tunable.
   This should be considered a debugging tool only and not a stable api.

Sponsored by:	Nokia

1 files changed, 7 insertions, 0 deletions

diff --git a/sys/sparc64/sparc64/mp_machdep.c b/sys/sparc64/sparc64/mp_machdep.c
index d005f8a..1eef281 100644
--- a/sys/sparc64/sparc64/mp_machdep.c
+++ b/sys/sparc64/sparc64/mp_machdep.c
@@ -189,6 +189,13 @@ cpu_mp_probe(void)
 	return (mp_maxid > 0);
 }
 
+struct cpu_group *
+cpu_topo(void)
+{
+
+	return smp_topo_none();
+}
+
 static void
 sun4u_startcpu(phandle_t cpu, void *func, u_long arg)
 {