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[S390] topology: fix topology on z10 machines
authorHeiko Carstens <heiko.carstens@de.ibm.com>
Mon, 14 Nov 2011 10:19:08 +0000 (11:19 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Mon, 14 Nov 2011 10:19:09 +0000 (11:19 +0100)
commit3ae792bbb7bc80b5ba9530dcd71edde50760e5ea
tree1917e79c8e0181248537c2a2fb03343b4fd6449btree | snapshot
parent516603dc5a58602c9dde3409c9e951bb40a23341commit | diff
[S390] topology: fix topology on z10 machines

Make sure that all cpus in a book on a z10 appear as book siblings
and not as core siblings. This fixes some performance regressions that
appeared after the book scheduling domain got introduced.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/kernel/topology.c diff | blob | history
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