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Tue, 03 Mar 2026 09:30:51 -0800 (PST) Received: from draig.lan ([185.124.0.126]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b935ae93357sm617011566b.48.2026.03.03.09.30.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 09:30:50 -0800 (PST) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id AA2465F7BE; Tue, 03 Mar 2026 17:30:49 +0000 (GMT) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: =?utf-8?Q?Marc-Andr=C3=A9?= Lureau Cc: dongwon.kim@intel.com, qemu-devel@nongnu.org Subject: Re: [PATCH] virtio-gpu: Fix scanout dmabuf cleanup during resource destruction In-Reply-To: (=?utf-8?Q?=22Marc-Andr=C3=A9?= Lureau"'s message of "Tue, 3 Mar 2026 17:28:15 +0100") References: <20260303010047.1925589-1-dongwon.kim@intel.com> User-Agent: mu4e 1.14.0-pre2; emacs 30.1 Date: Tue, 03 Mar 2026 17:30:49 +0000 Message-ID: <87wlzsrfau.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::632; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Marc-Andr=C3=A9 Lureau writes: > Hi > > On Tue, Mar 3, 2026 at 2:06=E2=80=AFAM wrote: >> >> From: Dongwon Kim >> >> When a virtio-gpu resource is destroyed, any associated udmabuf must be >> properly torn down. Currently, the code may leave dangling references >> to dmabuf file descriptors in the scanout primary buffers. Queued to virtio-gpu/next, thanks. --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro