Re: [PATCH v2] sched_ext: Fix sched_ext_dead() race with scx_root_enable_workfn()

[Tejun Heo]

Hello,

Thanks for the report and the patches. The same race window also
affects the analogous sub-sched paths and the wrapper-disable paths
trip on the NONE state that scx_fail_parent() leaves behind, so I
ended up taking a more invasive route - extending the task state
machine with SCX_TASK_INIT_BEGIN and SCX_TASK_DEAD - rather than
continuing with your localized fix.

Posted as a 6-patch series:

  https://lore.kernel.org/all/20260510074113.2049514-1-tj@xxxxxxxxxx/

Thanks.

--
tejun