locking/qspinlock: Introduce the shuffle reduction optimization into CNA
hulk inclusion category: feature bugzilla: 13227 CVE: NA ------------------------------------------------- This optimization reduces the probability threads will be shuffled between the main and secondary queues when the secondary queue is empty. It is helpful when the lock is only lightly contended. Signed-off-by:Alex Kogan <alex.kogan@oracle.com> Reviewed-by:
Steve Sistare <steven.sistare@oracle.com> Signed-off-by:
Wei Li <liwei391@huawei.com> Reviewed-by:
Hanjun Guo <guohanjun@huawei.com> Signed-off-by:
Yang Yingliang <yangyingliang@huawei.com>
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