bd0b820068
The mount point is "/tmp/boot", the path in the boot partition is "/boot/grub/upgraded". Origin of this markb9c1cf16("x86: add preinit hook for bootloader upgrade") Fixes32f675ca("x86: fix grub-bios-setup fail during sysupgrade") Ref: https://bugs.openwrt.org/index.php?do=details&task_id=3140 Reported-by: Philip Prindeville <philipp@redfish-solutions.com> Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>