linux-kernel - Re: [PATCH 1/2] sched_ext: Fix ops.dequeue() semantics

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Message-ID: <DG63YSLEHD26.3C1YRKNOTU9LA@google.com>
Date: Wed, 04 Feb 2026 10:33:54 +0000
From: Kuba Piecuch <jpiecuch@...gle.com>
To: Andrea Righi <arighi@...dia.com>, Kuba Piecuch <jpiecuch@...gle.com>
Cc: Tejun Heo <tj@...nel.org>, David Vernet <void@...ifault.com>, 
	Changwoo Min <changwoo@...lia.com>, Emil Tsalapatis <emil@...alapatis.com>, 
	Christian Loehle <christian.loehle@....com>, Daniel Hodges <hodgesd@...a.com>, <sched-ext@...ts.linux.dev>, 
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] sched_ext: Fix ops.dequeue() semantics

On Wed Feb 4, 2026 at 10:11 AM UTC, Andrea Righi wrote:
> On Mon, Feb 02, 2026 at 11:56:43AM +0000, Kuba Piecuch wrote:
>> Hi Andrea,
>> 
>> Looks good overall, but we need to settle on the global DSQ semantics, plus
>> some edge cases that need clearing up.
>
> On this one I think we settled on the assumption that SCX_DSQ_GLOBAL can be
> considered a "terminal DSQ", so we won't trigger ops.dequeue().

Correct, I made this comment before we settled it.

Thanks,
Kuba