Hello Gidi, On 22.03.21 13:11, Gidi Gal wrote: > Hello, > > I am new to kernel development, currently working on > https://kernelnewbies.org/FirstKernelPatch. I reached the step "Install > your changes" in "Modifying a driver on native Linux". I would like to > separate my developed kernel and my installed kernel and to switch between > the two in order to test my changes. I am not sure that my tutorial > explains how to do that. If you have a link that proposes a workflow for > this request (or if my tutorial does explain this workflow and I'm missing > the exact paragraph that does that) please let me know. I've found running a kernel under qemu with my normal rootfs to be quite useful to quickly try out things. See the qemu-test script in the RAUC project for an example: https://github.com/rauc/rauc/blob/master/qemu-test Don't forget to backup of course. Maybe you could even read-only mount the rootfs for added safety. Good luck, Ahmad > > Thanks, > Gidi > > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies