Hi, On Fri, Nov 17, 2017 at 03:20:03PM +0100, Alexander Graf wrote: > > > On 17.11.17 14:04, Maxime Ripard wrote: > > On Fri, Nov 17, 2017 at 12:21:49PM +0000, Andre Przywara wrote: > >> Hi, > >> > >> On 17/11/17 08:27, Maxime Ripard wrote: > >>> > >>> I guess I also have a side question here. How do the installers deal > >>> with the ESP partition? Would they create a new filesystem on it no > >>> matter what, or are they a bit smarter than that? > >> > >> I would expect any installer to not mess with the ESP. After all the ESP > >> belongs to the firmware, and multiboot (both multiple Linux versions as > >> well as other OSes like Windows or BSD) is one main feature of the ESP. > >> > >> The only exception might be if the ESP is not formatted. > >> > >>> My actual question being what will happen if one stores the U-Boot > >>> environment on that partition, and then runs an installer? Would the > >>> environment be gone? > >> > >> I would say that the ESP is a perfect place for the environment. It's > >> FAT and it belongs to firmware, so OSes are just expected to *add* their > >> bootloaders, without touching any other file on it. > > > > Ok, perfect then, thanks! > > Please make sure to > > a) Format it as FAT and
That might be the toughest part :) AFAIK, u-boot is not able to format any filesystem. We could just flash a raw FAT filesystem though, but looking into it might help for the environment discussion. > b) Mark it with the ESP GUID That's easy thouh. What is this GUID? Thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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