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Date: Thu, 14 Aug 2025 17:18:14 +0200
Message-Id: <DC291P4PSHFC.OEKNWCGDFOJN@kernel.org>
Subject: Re: [PATCH 1/2] drm_gem: add mutex to drm_gem_object.gpuva
Cc: "Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>, "Maxime Ripard"
 <mripard@kernel.org>, "Thomas Zimmermann" <tzimmermann@suse.de>, "David
 Airlie" <airlied@gmail.com>, "Simona Vetter" <simona@ffwll.ch>, "Boris
 Brezillon" <boris.brezillon@collabora.com>, "Daniel Almeida"
 <daniel.almeida@collabora.com>, "Steven Price" <steven.price@arm.com>,
 "Liviu Dudau" <liviu.dudau@arm.com>, "Rob Clark"
 <robin.clark@oss.qualcomm.com>, "Rob Herring" <robh@kernel.org>, "Miguel
 Ojeda" <ojeda@kernel.org>, "Boqun Feng" <boqun.feng@gmail.com>, "Gary Guo"
 <gary@garyguo.net>, =?utf-8?q?Bj=C3=B6rn_Roy_Baron?=
 <bjorn3_gh@protonmail.com>, "Benno Lossin" <lossin@kernel.org>, "Andreas
 Hindborg" <a.hindborg@kernel.org>, "Trevor Gross" <tmgross@umich.edu>,
 <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
 <rust-for-linux@vger.kernel.org>
To: "Alice Ryhl" <aliceryhl@google.com>
From: "Danilo Krummrich" <dakr@kernel.org>
References: <20250814-gpuva-mutex-in-gem-v1-0-e202cbfe6d77@google.com>
 <20250814-gpuva-mutex-in-gem-v1-1-e202cbfe6d77@google.com>
 <DC28NIMIPF5I.2P17OZFA06GXL@kernel.org>
 <CAH5fLgiYqQA-jcz=S_u8EjHkpr65m6nU9DHRkRWs3js8v3Uadg@mail.gmail.com>
In-Reply-To: <CAH5fLgiYqQA-jcz=S_u8EjHkpr65m6nU9DHRkRWs3js8v3Uadg@mail.gmail.com>

On Thu Aug 14, 2025 at 5:01 PM CEST, Alice Ryhl wrote:
> I had wanted to move it below free(), but we can't do that since
> free() also performs the kfree() call.

Actually, I think it belongs in drm_gem_private_object_fini(), where also c=
all
dma_resv_fini() for the GEM owned dma-resv lock.

Any cleanup should be done from where a driver calls drm_gem_object_release=
().