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

From: Pranith Kumar
Date: Wed Sep 17 2014 - 11:40:29 EST


On Wed, Sep 17, 2014 at 11:36 AM, Shuah Khan <shuahkh@xxxxxxxxxxxxxxx> wrote:

> 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???
>

Hi Shuah,

Did you compile the tree before trying to compile this test? Compiling
the kernel will generate the required symbols which are used in this
test.

Thanks!
--
Pranith
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