Seeing failure to build because of missing symbols related to provisioning
CONFIG_KEXEC and signed images. Without this, if you set
CONFIG_KERNEL_KEXEC=y and try to build, target/linux will hang at:
scripts/kconfig/conf --syncconfig Kconfig
...
kexec system call (KEXEC) [Y/n/?] y
kexec file based system call (KEXEC_FILE) [Y/n/?] y
Verify kernel signature during kexec_file_load() syscall (KEXEC_SIG) [N/y/?] (NEW)
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
CONFIG_KERNFS=y
# CONFIG_KEXEC is not set
# CONFIG_KEXEC_FILE is not set
+# CONFIG_KEXEC_SIG is not set
# CONFIG_KEYBOARD_ADC is not set
# CONFIG_KEYBOARD_ADP5588 is not set
# CONFIG_KEYBOARD_ADP5589 is not set
CONFIG_KERNFS=y
# CONFIG_KEXEC is not set
# CONFIG_KEXEC_FILE is not set
+# CONFIG_KEXEC_SIG is not set
# CONFIG_KEYBOARD_ADC is not set
# CONFIG_KEYBOARD_ADP5588 is not set
# CONFIG_KEYBOARD_ADP5589 is not set
CONFIG_KALLSYMS=y
CONFIG_KEXEC_CORE=y
CONFIG_KEXEC_FILE=y
-# CONFIG_KEXEC_SIG is not set
CONFIG_KSM=y
# CONFIG_LEDS_BRIGHTNESS_HW_CHANGED is not set
CONFIG_LEDS_GPIO=y