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>>>>> NAND needs a command line if you want to allow people to switch >>>>> back and forth between Qi and u-boot, i.e., share kernel and rootfs >>>>> locations with u-boot, because of the evil dynamic partitions. >>>> It's a problem with no right answer because the NOR U-Boot cannot >>>> change in the field. >>> But this doesn't matter, does it ? It's about where the data is in >>> the NAND and whether what you tell the kernel is correct or not. >> There's no rootfstype=jffs2 floating around with NOR? > Sure there is, if you tell it to boot from JFFS2. But why would > this affect the problem we have with the dynamic partitions ? Excessive snippage got methinking this was about the ubifs thread also today. Still, we would actually have to parse U-Boot env partition completely with U-Boot rules and pass it to kernel to fulfil the sharing aspect, that's no good. Let U-Boot boot according to its rules that Qi won't impact, and U-Boot rules won't impact Qi. > You could consider it a feature: if you change your rootfs, you > don't have to restore the Qi parameter line :-) No it's definitely evil. > It actually fits nicely if you think of the usage pattern: if you > maintain distinct root file systems on an SD card, you'll probably > just have multiple cards and switch them. However, with NAND, you > have to wipe out the old rootfs, but you keep boot loader and > kernel out-of-band. That's not what people are doing, they have multiple partitions / distros on one increasingly large SD card, and it is useful that each can have a boot context attached to it rather than one instance of some magic partition that contains it. - -Andy -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org iEYEARECAAYFAkksHmUACgkQOjLpvpq7dMp9awCgj59YimhU5nB9soTxmfSBaju0 2WEAn3wbGQhZR3vIfA0oJxXbKK0DvSfL =yjmE -----END PGP SIGNATURE-----
