Re: User mode linux- kernel module

root@dasaradham-laptop:/home/fox/workspace#
root@dasaradham-laptop:/home/fox/workspace# make  -C
/home/fox/workspace3/linux-2.6.32/ M=`pwd` modules ARCH=um
make: Entering directory `/home/fox/workspace3/linux-2.6.32'
  CC [M]  /home/fox/workspace/hello.o
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:43:1:
warning: "HOST_DS" redefined
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/skas_ptregs.h:4,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:17,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/user_constants.h:25:1:
warning: this is the location of the previous definition
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:44:1:
warning: "HOST_ES" redefined
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/skas_ptregs.h:4,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:17,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/user_constants.h:27:1:
warning: this is the location of the previous definition
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:45:1:
warning: "HOST_FS" redefined
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/skas_ptregs.h:4,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:17,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/user_constants.h:26:1:
warning: this is the location of the previous definition
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:46:1:
warning: "HOST_GS" redefined
In file included from
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/skas_ptregs.h:4,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/shared/sysdep/ptrace.h:17,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/ptrace-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/ptrace.h:14,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/include/asm/processor-generic.h:13,
                 from
/home/fox/workspace3/linux-2.6.32/arch/um/sys-x86_64/asm/processor.h:54,
                 from include/linux/prefetch.h:14,
                 from include/linux/list.h:6,
                 from include/linux/module.h:9,
                 from /home/fox/workspace/hello.c:2:
/home/fox/workspace3/linux-2.6.32/arch/um/include/shared/user_constants.h:28:1:
warning: this is the location of the previous definition
In file included from include/linux/bitmap.h:8,
                 from include/linux/nodemask.h:95,
                 from include/linux/mmzone.h:16,
                 from include/linux/gfp.h:4,
                 from include/linux/kmod.h:22,
                 from include/linux/module.h:13,
                 from /home/fox/workspace/hello.c:2:
include/linux/string.h:101: warning: conflicting types for built-in
function ‘__builtin_memcmp’
In file included from include/net/sock.h:60,
                 from include/linux/tcp.h:177,
                 from /home/fox/workspace/hello.c:9:
include/net/dst.h: In function ‘dst_hold’:
include/net/dst.h:157: error: negative width in bit-field ‘<anonymous>’
make[1]: *** [/home/fox/workspace/hello.o] Error 1
make: *** [_module_/home/fox/workspace] Error 2
make: Leaving directory `/home/fox/workspace3/linux-2.6.32'
root@dasaradham-laptop:/home/fox/workspace#





On Sat, Jul 17, 2010 at 10:13 PM, ratheesh k <[email protected]> wrote:
> Hi ,
>
>  i have ubuntu linux  on my 64 bit machine . I have successully built
> and  up an instance of UML  which is 32 bit . I am able to establish
> networking also .
>m
>  I would like to build a simple hello world kernel module on host 64
> bit machine , which should be loaded in UML . How do i build the same
> ?
>
> Thanks,
> Ratheesh
>
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