So Guenter uses local-* branches, then puts the configs under configs/kerneltests_. I think these images have more configs enabled to enable kselftests, so we might not need them all.
In particular, Guenter mentioned switching to musl was a size win, but recommended avoiding a particular version:
Speaking with @groeck , he pointed out some configs for buildroot that he uses to keep images small.
example: https://github.com/groeck/buildroot/blob/local-2023.02/configs/kerneltests_aarch64_defconfig
So Guenter uses
local-*branches, then puts the configs underconfigs/kerneltests_. I think these images have more configs enabled to enable kselftests, so we might not need them all.In particular, Guenter mentioned switching to musl was a size win, but recommended avoiding a particular version: