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Thu, 12 Jun 2025 06:15:08 -0700 (PDT) Message-ID: Date: Thu, 12 Jun 2025 15:15:05 +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: Geert Uytterhoeven , Jon Hunter Cc: Prabhakar , Catalin Marinas , Will Deacon , Bjorn Andersson , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Biju Das , Fabrizio Castro , Lad Prabhakar , "linux-tegra@vger.kernel.org" , Arnd Bergmann 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 12/06/2025 14:34, Geert Uytterhoeven wrote: >> I do agree that if we start to build every networking driver into the >> kernel it is going to bloat. Yes I do see the kernel image growing >> regardless of this, but nonetheless it seems better to just build as a >> module IMO. > > Not _every_ networking driver, of course. AFAIK, making network > drivers built-in for systems where development is done using nfsroot > has always been acceptable for the arm64 defconfig before. For things > not critical for booting, modular is indeed the preferred way. > > BTW, we have other low-hanging fruit to fix, though: > > CONFIG_SOUND=y > CONFIG_SND=y > CONFIG_SND_SOC=y > CONFIG_SND_SOC_SAMSUNG=y (Krzysztof? ;-) You cannot boot without sound :). Uh, I am on it. Best regards, Krzysztof