On Fri, Nov 14, 2025 at 05:22:13PM +0100, Marco Felsch wrote: > Hi Sascha, > > On 25-11-13, Sascha Hauer wrote: > > On i.MX8MP the SoC ID has 128 bits instead of 64 bits as on other i.MX8M > > SoCs. Read the remaining 64 bits which so far haven't been included in > > the SoC ID. > > Linux fixed this as well in a non-backward compatible way. Don't get me > wrong this is the correct fix and we should fix it, but this change will > certainly influence in-field systems badly which rely on the the current > behavior e.g. to set the `systemd.machine` or which make use of the UID > to construct a hostname which is later on passed to the kernel cmdline > via `systemd.hostname`. > > These systems now need to revert this change to archieve the same system > behavior. Can we add a Kconfig option or some function which can set the > soc_uid limit to keep these systems working.
Yes, I've written about it in the cover letter. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
