FYI, we noticed the below changes on

https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git kspp/postinit-readonly
commit 20c5a315cf30093ea5bcad5fb0a79ad4c5e86b59 ("x86: make CONFIG_DEBUG_RODATA non-optional")

We found the following new message in kernel after your commit.

[   26.152569] rodata_test: test data was not read only

Thanks,
Ying Huang