On Mon, Oct 24, 2022 at 02:33:50PM -0400, Robbie Harwood wrote: > From: Raymund Will <r...@suse.com> > > The GRUB emulator is used as a debugging utility but it could also be > used as a user-space bootloader if there is support to boot an operating > system. > > The Linux kernel is already able to (re)boot another kernel via the > kexec boot mechanism. So the grub-emu tool could rely on this feature > and have linux and initrd commands that are used to pass a kernel, > initramfs image and command line parameters to kexec for booting a > selected menu entry. > > By default the systemctl kexec option is used so systemd can shutdown > all of the running services before doing a reboot using kexec. But if > this is not present, it can fall back to executing the kexec user-space > tool directly. The ability to force a kexec-reboot when systemctl kexec > fails must only be used in controlled environments to avoid possible > filesystem corruption and data loss. > > Signed-off-by: Raymund Will <r...@suse.com> > Signed-off-by: John Jolly <jjo...@suse.com> > Signed-off-by: Javier Martinez Canillas <javi...@redhat.com> > [rharwood: documentation, code style] > Signed-off-by: Robbie Harwood <rharw...@redhat.com>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com> Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
