On Thu, Sep 30, 2010, Alexander Sack wrote:
Right. So the practical difference is that won't get this space offered as being free in your preferred partition tool ... reducing risk that you accidentially wipe u-boot from your SD.
You can also more easily save/replace your bootloader and/or its data, whatever is in there. For instance, dd if=u-boot.imx of=/dev/sdb2 to write a new bootloader instead of bs=/seek=/skip= etc.