31 Oct
2021
31 Oct
'21
7:28 p.m.
From: Coiby Xu on gitlab.com https://gitlab.com/cki-project/kernel-ark/-/merge_requests/1442#note_7194598...
It's not a NO-OP for POWER. With KEXEC_SIG enabled, some code in kernel/kexec_file.c would be invoked. For example, kimage_validate_signature would be called and this may lead to the failure of validating POWER kernel image's signature since POWER doesn't have image->fops->verify_sig.