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SHXOdAdUFn1jRgtwXLEk20krJ/QBi8O7jg2TSrgLyQ3P9GDhXZsH6hEhoKUpsRHxu6e2wRMs frQldWRH+1tsRnNjR1IAibyN+6ToCf/SbHlOkrrhsp+y8gsIiUyhcKvYVnUR103ly1GsC+F6 N6MTQwG0JG6i0k6Si0wVuNsXwIg91Ft8YDl50wIm7MQRsB5fkV+eckM407FtQNlEorVgGmrq XHxzyMBH0wf8LFkfglOX0LBpxSucLcMxlVDCjOUm8JM1GyKYZFfqsVlHkncR7CKI8xyjxz+A 6NGMsDuaqJ8h/fVs+MxDehnaVnvIF7TDGv9jz3mgqzbrToGXAmpzhhVM3RWIora1j91WzMSL +KN/YNvJggdPofH4QwVocD3pSXnLMOdqya8mwBv1pHdwSL4Ug7RAWIVgeBAv0ufeElOJQNjp pg16v3C1dl0LUhDYFBJRnknYxq7yCFUZHRl2VpbnzV1aQ2g= To: lkml Subject: Reasons for oldconfig resetting config options to =m Message-ID: <9500a6a9-d63c-4572-7281-50e744c15679@nh2.me> Date: Sun, 21 Apr 2019 17:11:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When you set an option to `=y` but one of its dependencies is set to `=m`, then `make oldconfig` will reset it back to `=m` as well. That makes sense, but does there exist a feature somewhere that can tell me explicitly when this happens, ideally with a reason like: Resetting CONFIG_USB_STORAGE from =y to =m because its dependency CONFIG_... is set to =m Consequently also resetting the following dependent options from =y to =m: CONFIG_USB_STORAGE_REALTEK CONFIG_USB_... This would help tuning kernel configs in situations where menuconfig is not appropriate, for example when working with diffs of configs. Is there such tooling, or what do people use? Thanks, Niklas