Re: [PATCH] selftests/memfd: Run test on all architectures

[David Herrmann]

Hi

On Wed, Sep 17, 2014 at 5:36 PM, Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> wrote:
> On 09/17/2014 06:28 AM, David Herrmann wrote:
>> Hi
>>
>> On Tue, Sep 16, 2014 at 12:59 AM, Pranith Kumar <bobby.prani@xxxxxxxxx> wrote:
>>> Remove the dependence on x86 to run the memfd test. Verfied on 32-bit powerpc.
>>>
>>> Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx>
>>
>> Now that most archs have __NR_memfd_create, this is:
>>
>> Reviewed-by: David Herrmann <dh.herrmann@xxxxxxxxx>
>>
>
> Hmm. I am seeing failures on x86_64 on top of Linus's tree
> (without this patch)
>
> make -C tools/testing/selftests/memfd/make: Entering directory
> `/lkml/linus_git_3.14/tools/testing/selftests/memfd'
> gcc -D_FILE_OFFSET_BITS=64
> -I../../../../arch/x86/include/generated/uapi/
> -I../../../../arch/x86/include/uapi/ -I../../../../include/uapi/
> -I../../../../include/ memfd_test.c -o memfd_test
> memfd_test.c: In function âsys_memfd_createâ:
> memfd_test.c:26:17: error: â__NR_memfd_createâ undeclared (first use in
> this function)
>   return syscall(__NR_memfd_create, name, flags);
>                  ^
> memfd_test.c:26:17: note: each undeclared identifier is reported only
> once for each function it appears in
>
> Could you please look into this?? It appears __NR_memfd_create isn't
> defined on x86_64???

You need the headers installed in your system. By dropping the
arch-includes from the Makefile, we require 3.17 headers in
/usr/include.

Thanks
David
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