Re: [PATCH sched_ext/for-7.0-fixes] sched_ext: Disable preemption between scx_claim_exit() and kicking helper work

From: Tejun Heo

Date: Wed Feb 25 2026 - 02:47:09 EST


On Wed, Feb 25, 2026 at 07:43:04AM +0100, Andrea Righi wrote:
> I think the same race window already existed even before this commit, we
> were just doing atomic_try_cmpxchg() directly, instead of using the
> scx_claim_exit() helper.
>
> So, probably the right target should be f0e1a0643a59b ("sched_ext:
> Implement BPF extensible scheduler class").

You're right. Updated the Fixes tag and stable Cc to v6.12+.

Applied to sched_ext/for-7.0-fixes.

Thanks.

--
tejun