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What decides the kernel version of a module built by us? I mean I want to know whether we can decide by our own that against which kernel version we can build our kernel module (vermagic version magic).

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So what you want is to build a module without recompiling the kernel, if I understand correctly. The version conflict issue can be solved in the Makefile of your module, by setting EXTRAVERSION to the desired value. You can find what that is by running modinfo $module, where $module is a module from the running kernel, e.g., on my laptop, /lib/modules/5.4.0-3-amd64/kernel/sound/ac97_bus.ko . For reference, consult this : https://linux.die.net/lkmpg/x380.html

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  • Thanks a lot for your reply and accurately understanding my question Commented Feb 1, 2020 at 20:04

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