linux-kernel - Re: [PATCH 1/4] drm/amdgpu: replace use of system_unbound_wq with system_dfl

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Message-ID: <CAAofZF7d+t8Qqojawes8WAR2YOWz7vMtgt2y=ofJHN6mChX6DQ@mail.gmail.com>
Date: Fri, 31 Oct 2025 09:42:48 +0100
From: Marco Crivellari <marco.crivellari@...e.com>
To: Christian König <christian.koenig@....com>
Cc: linux-kernel@...r.kernel.org, amd-gfx@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org, Tejun Heo <tj@...nel.org>, 
	Lai Jiangshan <jiangshanlai@...il.com>, Frederic Weisbecker <frederic@...nel.org>, 
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>, Michal Hocko <mhocko@...e.com>, 
	Alex Deucher <alexander.deucher@....com>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>
Subject: Re: [PATCH 1/4] drm/amdgpu: replace use of system_unbound_wq with system_dfl_wq

On Thu, Oct 30, 2025 at 6:14 PM Christian König
<christian.koenig@....com> wrote:
>[...]
> In all the cases below we actually want the work to run on a different CPU than the current one.
>
> So using system_unbound_wq seems to be more appropriate.

Hello Christian,

system_dfl_wq is the new workqueue that will replace
system_unbound_wq, but the behavior is the same.
So, if you need system_unbound_wq, it means system_dfl_wq is fine here.

Thanks!
-- 

Marco Crivellari

L3 Support Engineer, Technology & Product