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Date: Fri, 09 Jan 2026 15:08:34 +0100
Message-Id: <DFK48ZLPVZQ6.2O7N786H12TUY@kernel.org>
Subject: Re: [PATCH] drm/sched: Simplify idle entity check
Cc: <dri-devel@lists.freedesktop.org>, <kernel-dev@igalia.com>,
 <intel-xe@lists.freedesktop.org>, =?utf-8?q?Christian_K=C3=B6nig?=
 <christian.koenig@amd.com>, "Matthew Brost" <matthew.brost@intel.com>,
 "Philipp Stanner" <phasta@kernel.org>
To: "Tvrtko Ursulin" <tvrtko.ursulin@igalia.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20260107134405.96603-1-tvrtko.ursulin@igalia.com>
 <DFIEZJJK8GUD.1XW0UQSIUCH2N@kernel.org>
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On Wed Jan 7, 2026 at 3:08 PM CET, Danilo Krummrich wrote:
> If we want lockless access to entity->stopped it should be atomic_read(),
> atomic_read_acquire(), etc.

Actually, since stopped is just a boolean and treated as flag, it might be =
fine
as is, but it then also needs WRITE_ONCE() everywhere else.