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Tue, 06 May 2025 03:52:14 -0700 (PDT) Message-ID: <3a11ba8a-a9f4-4829-8bcd-56f1702bee8f@linaro.org> Date: Tue, 6 May 2025 12:52:12 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: defconfig: Build STMMAC Ethernet driver into the kernel for NFS boot To: Prabhakar , Catalin Marinas , Will Deacon , Bjorn Andersson , Geert Uytterhoeven Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Biju Das , Fabrizio Castro , Lad Prabhakar References: <20250506104731.111876-1-prabhakar.mahadev-lad.rj@bp.renesas.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@linaro.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzTRLcnp5c3p0b2Yg S296bG93c2tpIDxrcnp5c3p0b2Yua296bG93c2tpQGxpbmFyby5vcmc+wsGUBBMBCgA+AhsD BQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAFiEEm9B+DgxR+NWWd7dUG5NDfTtBYpsFAmgXUEoF CRaWdJoACgkQG5NDfTtBYpudig/+Inb3Kjx1B7w2IpPKmpCT20QQQstx14Wi+rh2FcnV6+/9 tyHtYwdirraBGGerrNY1c14MX0Tsmzqu9NyZ43heQB2uJuQb35rmI4dn1G+ZH0BD7cwR+M9m lSV9YlF7z3Ycz2zHjxL1QXBVvwJRyE0sCIoe+0O9AW9Xj8L/dmvmRfDdtRhYVGyU7fze+lsH 1pXaq9fdef8QsAETCg5q0zxD+VS+OoZFx4ZtFqvzmhCs0eFvM7gNqiyczeVGUciVlO3+1ZUn eqQnxTXnqfJHptZTtK05uXGBwxjTHJrlSKnDslhZNkzv4JfTQhmERyx8BPHDkzpuPjfZ5Jp3 INcYsxgttyeDS4prv+XWlT7DUjIzcKih0tFDoW5/k6OZeFPba5PATHO78rcWFcduN8xB23B4 WFQAt5jpsP7/ngKQR9drMXfQGcEmqBq+aoVHobwOfEJTErdku05zjFmm1VnD55CzFJvG7Ll9 OsRfZD/1MKbl0k39NiRuf8IYFOxVCKrMSgnqED1eacLgj3AWnmfPlyB3Xka0FimVu5Q7r1H/ 9CCfHiOjjPsTAjE+Woh+/8Q0IyHzr+2sCe4g9w2tlsMQJhixykXC1KvzqMdUYKuE00CT+wdK nXj0hlNnThRfcA9VPYzKlx3W6GLlyB6umd6WBGGKyiOmOcPqUK3GIvnLzfTXR5DOwU0EVUNc NAEQAM2StBhJERQvgPcbCzjokShn0cRA4q2SvCOvOXD+0KapXMRFE+/PZeDyfv4dEKuCqeh0 hihSHlaxTzg3TcqUu54w2xYskG8Fq5tg3gm4kh1Gvh1LijIXX99ABA8eHxOGmLPRIBkXHqJY oHtCvPc6sYKNM9xbp6I4yF56xVLmHGJ61KaWKf5KKWYgA9kfHufbja7qR0c6H79LIsiYqf92 H1HNq1WlQpu/fh4/XAAaV1axHFt/dY/2kU05tLMj8GjeQDz1fHas7augL4argt4e+jum3Nwt yupodQBxncKAUbzwKcDrPqUFmfRbJ7ARw8491xQHZDsP82JRj4cOJX32sBg8nO2N5OsFJOcd 5IE9v6qfllkZDAh1Rb1h6DFYq9dcdPAHl4zOj9EHq99/CpyccOh7SrtWDNFFknCmLpowhct9 5ZnlavBrDbOV0W47gO33WkXMFI4il4y1+Bv89979rVYn8aBohEgET41SpyQz7fMkcaZU+ok/ +HYjC/qfDxT7tjKXqBQEscVODaFicsUkjheOD4BfWEcVUqa+XdUEciwG/SgNyxBZepj41oVq FPSVE+Ni2tNrW/e16b8mgXNngHSnbsr6pAIXZH3qFW+4TKPMGZ2rZ6zITrMip+12jgw4mGjy 5y06JZvA02rZT2k9aa7i9dUUFggaanI09jNGbRA/ABEBAAHCwXwEGAEKACYCGwwWIQSb0H4O DFH41ZZ3t1Qbk0N9O0FimwUCaBdQXwUJFpZbKgAKCRAbk0N9O0Fim07TD/92Vcmzn/jaEBcq yT48ODfDIQVvg2nIDW+qbHtJ8DOT0d/qVbBTU7oBuo0xuHo+MTBp0pSTWbThLsSN1AuyP8wF KChC0JPcwOZZRS0dl3lFgg+c+rdZUHjsa247r+7fvm2zGG1/u+33lBJgnAIH5lSCjhP4VXiG q5ngCxGRuBq+0jNCKyAOC/vq2cS/dgdXwmf2aL8G7QVREX7mSl0x+CjWyrpFc1D/9NV/zIWB G1NR1fFb+oeOVhRGubYfiS62htUQjGLK7qbTmrd715kH9Noww1U5HH7WQzePt/SvC0RhQXNj XKBB+lwwM+XulFigmMF1KybRm7MNoLBrGDa3yGpAkHMkJ7NM4iSMdSxYAr60RtThnhKc2kLI zd8GqyBh0nGPIL+1ZVMBDXw1Eu0/Du0rWt1zAKXQYVAfBLCTmkOnPU0fjR7qVT41xdJ6KqQM NGQeV+0o9X91X6VBeK6Na3zt5y4eWkve65DRlk1aoeBmhAteioLZlXkqu0pZv+PKIVf+zFKu h0At/TN/618e/QVlZPbMeNSp3S3ieMP9Q6y4gw5CfgiDRJ2K9g99m6Rvlx1qwom6QbU06ltb vJE2K9oKd9nPp1NrBfBdEhX8oOwdCLJXEq83vdtOEqE42RxfYta4P3by0BHpcwzYbmi/Et7T 2+47PN9NZAOyb771QoVr8A== In-Reply-To: <20250506104731.111876-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 06/05/2025 12:47, Prabhakar wrote: > From: Lad Prabhakar > > Enable `CONFIG_STMMAC_ETH` as built-in (`y`) instead of a module (`m`) to > ensure the Ethernet driver is available early in the boot process. This > is necessary for platforms mounting the root filesystem via NFS, as the > driver must be available before the root filesystem is accessed. > > Signed-off-by: Lad Prabhakar Same comments as for previous patches like this (even the same?): you are supposed to use initramfs for your arm74 boards. Even armv7 boards use initramfs, so network driver does not have to be built in. For example all of our setups use it thus we do not have to populate all other vendors with our own drivers. Sorry, but I am strongly against such change. Kernel is already way too big and with KASAN it does not fit to boot partitions in some of the devices (and I cannot change the boot partition size, at least not without big effort). Nacked-by: Krzysztof Kozlowski Best regards, Krzysztof