On Tue Sep 12, 2023 at 6:32 PM EEST, Jan Hendrik Farr wrote: > >> The format itself is rather simple. It's just a PE file (as required > >> by the UEFI spec) that contains a small stub application in the .text, > >> .data, etc sections that is responsible for invoking the contained > >> kernel and initrd with the contained cmdline. The kernel image is > >> placed into a .kernel section, the initrd into a .initrd section, and > >> the cmdline into a .cmdline section in the PE executable. > > > > How does this interact with the existing EFI stub support in linux? > > It doesn't. During normal boot of a UKI the stub in it is used > (systemd-stub, see: > https://www.freedesktop.org/software/systemd/man/systemd-stub.html). > The kernel's own EFI stub will still be in the binary inside the > .linux section but not used. What sort of bottleneck does the EFI stub have so that we need yet another envelope? BR, Jarkko _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
