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Sched: Handle Asymmetric scheduler domains better

Phil Auld requested to merge prauld/centos-stream-9:rhel17497 into main

JIRA: https://issues.redhat.com/browse/RHEL-17497
Tested: Tested topology changes on several x86 systems and scheduler
performance and sanity tests. IBM will test the regression on the z
systems which exhibited the issue.

Fix performance issues in handling asymmetric scheduler
domains. This includes some fixes for load balancing across
SMT domains and some underlying code for x86 topology detection.

Signed-off-by: Phil Auld pauld@redhat.com

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