Build error

Build error

[Amit Kumar]

Hi,
For last several days when I build arm64/defconfig even against
next-20170125, I
get the following error.
arch/arm64/crypto/crc32-arm64.c:1:0: error: unknown feature modifier
?crc?
 /*
  ^
make[1]: *** [arch/arm64/crypto/crc32-arm64.o] Error 1
make: *** [arch/arm64/crypto] Error 2

Regards,
Amit Kumar

Build error

[Greg KH]

On Thu, Jan 26, 2017 at 11:08:48AM +0530, Amit Kumar wrote:
> Hi,
> For last several days when I build arm64/defconfig even against
> next-20170125, I
> get the following error.
> arch/arm64/crypto/crc32-arm64.c:1:0: error: unknown feature modifier
> ?crc?
>  /*
>   ^
> make[1]: *** [arch/arm64/crypto/crc32-arm64.o] Error 1
> make: *** [arch/arm64/crypto] Error 2

Have you tried asking on the linux arm mailing list?

Build error

[Amit Kumar]

On Thu, Jan 26, 2017 at 12:31 PM Greg KH <greg@kroah.com> wrote:

> On Thu, Jan 26, 2017 at 11:08:48AM +0530, Amit Kumar wrote:
> > Hi,
> > For last several days when I build arm64/defconfig even against
> > next-20170125, I
> > get the following error.
> > arch/arm64/crypto/crc32-arm64.c:1:0: error: unknown feature modifier
> > ?crc?
> >  /*
> >   ^
> > make[1]: *** [arch/arm64/crypto/crc32-arm64.o] Error 1
> > make: *** [arch/arm64/crypto] Error 2
>
> Have you tried asking on the linux arm mailing list?
>
Thank you for your reply.
I'm a newbie and not competent enough to sort out this problem, so I have
sent mail to kernelnewbies to bring this issue to the Linux Kernel
Community. I think that mailing list is more suitable if I were able create
a patch. I am learning kernel development and very soon I'll start
contributing to Linux Kernel.
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Build error

[Ozgur Karatas]

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Build error

[Amit Kumar]

On Sun, Jan 29, 2017 at 1:48 PM Ozgur Karatas <mueddib@goosey.org> wrote:

>
>
> 29.01.2017, 10:05, "Amit Kumar" <free.amit.kumar@gmail.com>:
>
>
> On Thu, Jan 26, 2017 at 12:31 PM Greg KH <greg@kroah.com> wrote:
>
> On Thu, Jan 26, 2017 at 11:08:48AM +0530, Amit Kumar wrote:
> > Hi,
> > For last several days when I build arm64/defconfig even against
> > next-20170125, I
> > get the following error.
> > arch/arm64/crypto/crc32-arm64.c:1:0: error: unknown feature modifier
> > ?crc?
> >  /*
> >   ^
> > make[1]: *** [arch/arm64/crypto/crc32-arm64.o] Error 1
> > make: *** [arch/arm64/crypto] Error 2
>
>
>
> Have you tried asking on the linux arm mailing list?
>
>
>
> Thank you for your reply.
> I'm a newbie and not competent enough to sort out this problem, so I have
> sent mail to kernelnewbies to bring this issue to the Linux Kernel
> Community. I think that mailing list is more suitable if I were able create
> a patch. I am learning kernel development and very soon I'll start
> contributing to Linux Kernel
>
>
> Hello,
>
> you are welcome firstly and of course you will contribute to the
> development and thanks. Please find and understand to how to debug C code?
> What happens when a kernel module fails? How to fix to compilation errors?
>
> The error in the example is obvious, should be examine to crc32-arm64.c
> code, The kernel can't initialize to crc32-arm64.o module and it may be a
> feature errors.
>
> Please review crc32-arm64.c
> checkpatch.pl check to crc32-arm64.c
>
> run make:
>
> $ make M=arch/arm64/crypto/
>   LD      arch/arm64/crypto//built-in.o
>   Building modules, stage 2.
>   MODPOST 0 modules
>
> Module created! Good!
> Check module,
>
> $ make arch/arm64/crypto/crc32-arm64.o
>   CHK     include/config/kernel.release
>   CHK     include/generated/uapi/linux/version.h
>   CHK     include/generated/utsrelease.h
>   CHK     include/generated/bounds.h
>   CHK     include/generated/timeconst.h
>   CHK     include/generated/asm-offsets.h
>   CALL    scripts/checksyscalls.sh
>   CC      arch/arm64/crypto/crc32-arm64.o
>
Thank you for your reply. I think these steps will be helpful in debugging
in future.

>
> Regards,
>
> ~Ozgur
>
>
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