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Date: Thu, 23 Apr 2026 06:40:57 -1000
Message-ID: <2b058251bf415613eb89c2129b4045eb@kernel.org>
From: Tejun Heo <tj@kernel.org>
To: zhidao su <suzhidao@xiaomi.com>,
 Andrea Righi <arighi@nvidia.com>
Cc: David Vernet <void@manifault.com>,
 Changwoo Min <changwoo@igalia.com>,
 sched-ext@lists.linux.dev,
 linux-kernel@vger.kernel.org,
 Emil Tsalapatis <emil@etsalapatis.com>
Subject: Re: [PATCH] sched_ext: Fix local_dsq_post_enq() to use task's scheduler in sub-sched
In-Reply-To: <20260423025832.2654840-1-suzhidao@xiaomi.com>
References: <20260423025832.2654840-1-suzhidao@xiaomi.com>
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Hello,

On Thu, Apr 23, 2026 at 10:58:32AM +0800, zhidao su wrote:
> local_dsq_post_enq() calls call_task_dequeue() with scx_root instead of
> the scheduler instance actually managing the task. When
> CONFIG_EXT_SUB_SCHED is enabled, tasks may be managed by a sub-scheduler
> whose ops.dequeue() callback differs from root's.
...
> Fixes: ebf1ccff79c4 ("sched_ext: Fix ops.dequeue() semantics")
> Signed-off-by: zhidao su <suzhidao@xiaomi.com>

Applied to sched_ext/for-7.1-fixes.

Thanks.

--
tejun