On Wed, May 06, 2020 at 09:09:45PM +0200, Heinrich Schuchardt wrote: > On 5/6/20 3:18 PM, Grant Likely wrote: > [...] > For the other variable services the patch series provides a compliant > solution. > > Ilias Apalodimas has a draft patch series for using OP-TEE and MM for > managing variables. But storage in the RPMB partition of an eMMC device > would only work at boottime. Just what you described at last years > Embedded Linux conference (https://www.youtube.com/watch?v=VnsF3uRZzNk). > > Takahiro Akashi last year presented alternative patches that would > enable reading variables at runtime. He recently suggested to use > capsule updates to update variables and has submitted patches for > capsule updates > (https://patchwork.ozlabs.org/project/uboot/list/?series=172907).
FYI I just posted that https://lists.denx.de/pipermail/u-boot/2020-May/410772.html As Heinrich says, it only works on boottime for now, but I *think* (and I might be horribly wrong), that getting runtime variables to work would be possible. > > If we do not have SetVariable() at runtime, I do not see much value in > QueryVariableInfo(). So we shouldn't make that service compulsory. > > Best regards > > Heinrich > > > > > Thoughts? > > > >> > >> There is a capitalization typo in the chapter: > >> > >> %s/e.g., If/E.g., if/ > > > > Fixed and committed as a trivial fix. > > > > g. > > > >> > >> Best regards > >> > >> Heinrich > >> > >>> 7fad894 (origin/master, origin/HEAD) Fix all UEFI references to be the > >>> same version > >>> 498cad2 trivial: Fix typo in chater 3 title > >>> 2c40029 Merge pull request #43 from orangecms/link-to-linux-doc > >>> 1e51a1e Update link to Linux docs which changed to rst > >>> be7ddfa Update CONTRIBUTING.rst > >>> 763aed0 Update CONTRIBUTING.rst > >>> > >>> All of the above can be found queued up at > >>> http://github.com/glikely/ebbr _______________________________________________ boot-architecture mailing list [email protected] https://lists.linaro.org/mailman/listinfo/boot-architecture
