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Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version

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On Mon, 8 Feb 2016, Daniel Wagner wrote:

> The generic auxvec.h is used instead the arch specific version.
> This happens when cross compiling the kernel.
> 
> mips64-linux-gnu-gcc (GCC) 5.2.1 20151104 (Red Hat Cross 5.2.1-4)
> 
> arch/mips/kernel/../../../fs/binfmt_elf.c: In function ‘create_elf_tables’:
> ./arch/mips/include/asm/elf.h:425:14: error: ‘AT_SYSINFO_EHDR’ undeclared (first use in this function)

 There must be something wrong with your setup, or maybe a bug somewhere 
in our build machinery you just happened to trigger.  Most of us routinely 
use a cross-compiler to build the kernel and you're the first one to 
report the problem.

 Can you report the compiler invocation that has lead to this error?  
Have you used a default config or a custom one?

> diff --git a/arch/mips/include/asm/auxvec.h b/arch/mips/include/asm/auxvec.h
> new file mode 100644
> index 0000000..fbd388c
> --- /dev/null
> +++ b/arch/mips/include/asm/auxvec.h
> @@ -0,0 +1 @@
> +#include <uapi/asm/auxvec.h>

 You're not supposed to require a header in asm/ merely to include a 
header of the same name from uapi/asm/ as there are normally 
-I./arch/mips/include and -I./arch/mips/include/uapi options present both 
at once, in this order, on the compiler's invocation line.  So:

#include <asm/auxvec.h>

will pull the header from uapi/asm/ if none is present in asm/.

  Maciej

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  [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-01-29 14:30 +0100
    Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-01 02:00 +0100
      Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-01 17:10 +0100
        Re: [PATCH] MIPS: Differentiate between 32 and 64 bit ELF header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-06 18:20 +0100
          [PATCH v3 0/3] Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
            [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
              Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF  header kbuild test robot <lkp@intel.com> - 2016-02-08 17:30 +0100
                Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF  header Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-09 09:10 +0100
              Re: [PATCH v3 3/3] mips: Differentiate between 32 and 64 bit ELF  header "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:10 +0100
            [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of generic-asm version Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
              Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of  generic-asm version "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:20 +0100
                Re: [PATCH v3 1/3] mips: Use arch specific auxvec.h instead of  generic-asm version Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-09 08:10 +0100
            [PATCH v3 2/3] crash_dump: Add vmcore_elf32_check_arch Daniel Wagner <daniel.wagner@bmw-carit.de> - 2016-02-08 16:50 +0100
              Re: [PATCH v3 2/3] crash_dump: Add vmcore_elf32_check_arch "Maciej W. Rozycki" <macro@imgtec.com> - 2016-02-08 18:10 +0100
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