Revert "sched_ext: Use READ_ONCE() for the read side of dsq->nr update"

This reverts commit 9adfcef334.

dsq->nr is protected by dsq->lock and reading while holding the lock doesn't
constitute a racy read.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: zhidao su <suzhidao@xiaomi.com>
This commit is contained in:
Tejun Heo 2026-03-07 21:42:12 -10:00
commit 80a54b807d