[OE-core] [PATCH v2] kernel-devsrc: restructure for out of tree (and on target) module builds

[Richard Purdie]

On Tue, 2018-07-10 at 12:38 -0400, Bruce Ashfield wrote:
> On 07/10/2018 06:21 AM, Richard Purdie wrote:
> > On Mon, 2018-07-09 at 11:53 -0400, Bruce Ashfield wrote:
> I'll try the other configs, but clearly I have something different in
> my x86-64 build.
> 
> I can't run the self tests directly, but am copying the files onto my
> qemu session and running things myself:
> 
> root at qemux86-64:/lib/modules/4.14.48-yocto-standard/build# make
> ARCH=x86 
> scripts prepare
> Makefile:950: "Cannot use CONFIG_STACK_VALIDATION=y, please install 
> libelf-dev, libelf-devel or elfutils-libelf-devel"
>    CHK     scripts/mod/devicetable-offsets.h
>    SYSTBL  arch/x86/include/generated/asm/syscalls_32.h
>    SYSHDR  arch/x86/include/generated/asm/unistd_32_ia32.h
>    SYSHDR  arch/x86/include/generated/asm/unistd_64_x32.h
>    SYSTBL  arch/x86/include/generated/asm/syscalls_64.h
>    SYSHDR  arch/x86/include/generated/uapi/asm/unistd_32.h
>    SYSHDR  arch/x86/include/generated/uapi/asm/unistd_64.h
>    SYSHDR  arch/x86/include/generated/uapi/asm/unistd_x32.h
>    HOSTCC  arch/x86/tools/relocs_32.o
>    HOSTCC  arch/x86/tools/relocs_64.o
>    HOSTCC  arch/x86/tools/relocs_common.o
>    HOSTLD  arch/x86/tools/relocs
>    CHK     include/config/kernel.release
>    CHK     include/generated/uapi/linux/version.h
>    CHK     include/generated/utsrelease.h
> Makefile:950: "Cannot use CONFIG_STACK_VALIDATION=y, please install 
> libelf-dev, libelf-devel or elfutils-libelf-devel"
> 
> root at qemux86-64:/tmp# make
> make -C /usr/src/kernel M=/tmp modules
> make[1]: Entering directory '/lib/modules/4.14.48-yocto-
> standard/build'
> Makefile:950: "Cannot use CONFIG_STACK_VALIDATION=y, please install 
> libelf-dev, libelf-devel or elfutils-libelf-devel"
>    Building modules, stage 2.
>    MODPOST 1 modules
> make[1]: Leaving directory '/lib/modules/4.14.48-yocto-
> standard/build'
> root at qemux86-64:/tmp# insmod hellomod.ko
> [  419.211616] hellomod: loading out-of-tree module taints kernel.
> [  419.212586] Hello world!
> 
> This is on the core-image-kernel-dev image, which is the one that
> I created to test all this.
> 
> What image is that using ? some sato sdk one ?

We really need to find you a way to run these. The problem is the qemu
graphics piece? You can't have a dummy vncserver or something to direct
them at?

The image is a core-image-sato-sdk...

Cheers,

Richard