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Mon, 2 Nov 2026 03:43:30 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-ThreadId: AXmfKZnIdKYs Date: Mon, 02 Nov 2026 09:43:10 +0100 From: "Arnd Bergmann" To: "Ekansh Gupta" , "Oded Gabbay" , "Jonathan Corbet" , "Shuah Khan" , "Randy Dunlap" , "Srinivas Kandagatla" , "Greg Kroah-Hartman" , "Dave Airlie" , "Simona Vetter" , "Maarten Lankhorst" , "Maxime Ripard" , "Thomas Zimmermann" , "Sumit Semwal" , =?UTF-8?Q?Christian_K=C3=B6nig?= , "Philipp Stanner" , "Dmitry Baryshkov" , "Bjorn Andersson" , "Krzysztof Kozlowski" , rob.clark@oss.qualcomm.com, "Jason Gunthorpe" Cc: lingtong@qti.qualcomm.com, cacar@qti.qualcomm.com, sandheep@qti.qualcomm.com, "Bharath Kumar" , "Chenna Kesava Raju" , dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, "Bharath Kumar" , "Chenna Kesava Raju" , "Ekansh Gupta" Message-Id: In-Reply-To: <20261102-v4-v4-21-88f2f24a5f0b@qti.qualcomm.com> References: <20261102-v4-v4-0-88f2f24a5f0b@qti.qualcomm.com> <20261102-v4-v4-21-88f2f24a5f0b@qti.qualcomm.com> Subject: Re: [PATCH v4 21/25] accel/qda: Add Audio protection domain attach and its remote heap Content-Type: text/plain Content-Transfer-Encoding: 7bit On Sun, Nov 1, 2026, at 23:21, Ekansh Gupta wrote: > struct drm_qda_remote_attach { > __u32 pd_type; > - __u32 pad; > + __u32 namelen; > + __u64 name; > }; > This is an ABI change in the middle of the series, which isn't great even though it is harmless as there are no users that would see the initial ABI. I'd suggest defining the structure in the final length from the start. Arnd