System being built : LFS 6.4 on a 4GB USB 2.0 stick
Host system used : BLFS 6.3 on a 4GB USB 2.0 stick
Processor : AMD AM2 Athlon 64 LE-1620
RAM : 2GB
I am getting the warnings below, first when compiling the 2.26.27.4 kernel in
the LFS 6.4 book then with the 2.6.27.10 kernel. The kernel does compile and I
can boot to a command line I can even connect to the internet with these
kernels. So are these warnings anything to worry about?
I am not building any modules and I do not use a swap partition.
CC arch/x86/kernel/hpet.o
CC arch/x86/kernel/k8.o
CC arch/x86/kernel/pcspeaker.o
LD arch/x86/kernel/built-in.o
WARNING: arch/x86/kernel/built-in.o(.text+0x93c): Section mismatch in reference
from the function cpu_idle() to the function .cpuinit.text:cpu_uninit()
The function cpu_idle() references
the function __cpuinit cpu_uninit().
This is often because cpu_idle lacks a __cpuinit
annotation or the annotation of cpu_uninit is wrong.
AS arch/x86/kernel/head_32.o
CC arch/x86/kernel/head32.o
CC arch/x86/kernel/head.o
CC arch/x86/kernel/init_task.o
LDS arch/x86/kernel/vmlinux.lds
CC arch/x86/mm/init_32.o
Later in the same compilation the same thing occurs:
AS arch/x86/lib/thunk_32.o
CC arch/x86/lib/usercopy_32.o
AR arch/x86/lib/lib.a
LD vmlinux.o
MODPOST vmlinux.o
WARNING: vmlinux.o(.text+0xf1c): Section mismatch in reference from the
function cpu_idle() to the function .cpuinit.text:cpu_uninit()
The function cpu_idle() references
the function __cpuinit cpu_uninit().
This is often because cpu_idle lacks a __cpuinit
annotation or the annotation of cpu_uninit is wrong.
WARNING: vmlinux.o(.cpuinit.data+0x0): Section mismatch in reference from the
variable initial_code to the function .init.text:i386_start_kernel()
The variable __cpuinitdata initial_code references
a function __init i386_start_kernel().
If i386_start_kernel is only used by initial_code then
annotate i386_start_kernel with a matching annotation.
GEN .version
CHK include/linux/compile.h
UPD include/linux/compile.h
CC init/version.o
LD init/built-in.o
LD .tmp_vmlinux1
KSYM .tmp_kallsyms1.S
AS .tmp_kallsyms1.o
The kernel does compile thus:
Root device is (180, 1)
Setup is 12124 bytes (padded to 12288 bytes).
System is 2420 kB
CRC 37f16fb0
Kernel: arch/x86/boot/bzImage is ready (#1)
Thanks,
Gary
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