linux-kernel - Re: [PATCH sched_ext/for-6.18-fixes] sched_ext: Sync error_irq_work before freeing scx

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Message-ID: <aO1GAxf6zhSu7qxL@slm.duckdns.org>
Date: Mon, 13 Oct 2025 08:33:39 -1000
From: Tejun Heo <tj@...nel.org>
To: David Vernet <void@...ifault.com>, Andrea Righi <arighi@...dia.com>,
	Changwoo Min <changwoo@...lia.com>
Cc: linux-kernel@...r.kernel.org, sched-ext@...ts.linux.dev
Subject: Re: [PATCH sched_ext/for-6.18-fixes] sched_ext: Sync error_irq_work
 before freeing scx_sched

On Thu, Oct 09, 2025 at 01:56:23PM -1000, Tejun Heo wrote:
> By the time scx_sched_free_rcu_work() runs, the scx_sched is no longer
> reachable. However, a previously queued error_irq_work may still be pending or
> running. Ensure it completes before proceeding with teardown.
> 
> Fixes: bff3b5aec1b7 ("sched_ext: Move disable machinery into scx_sched")
> Signed-off-by: Tejun Heo <tj@...nel.org>

Applied to sched_ext/for-6.18-fixes.

Thanks.

-- 
tejun