The CONFIG_KEXEC and CONFIG_KEXEC_FILE config options are already enabled for the linux-kvm repo. Here is a grep of the config directory:
https://paste.ubuntu.com/p/w84BrTZKVc/
This tree was cloned from: lp:~canonical-kernel/ubuntu/+source/linux-kvm/+git/cosmic
Do you see these options enabled on your test environment after installing that kernel?
The CONFIG_KEXEC and CONFIG_KEXEC_FILE config options are already enabled for the linux-kvm repo. Here is a grep of the config directory:
https:/ /paste. ubuntu. com/p/w84BrTZKV c/
This tree was cloned from:
lp:~canonical-kernel/ubuntu/+source/linux-kvm/+git/cosmic
Do you see these options enabled on your test environment after installing that kernel?