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Date: Wed, 17 Sep 2014 09:36:17 -0600
From: Shuah Khan <shuahkh@osg.samsung.com>
Organization: Samsung Open Source Group
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To: David Herrmann <dh.herrmann@gmail.com>,
        Pranith Kumar <bobby.prani@gmail.com>
CC: Andrew Morton <akpm@linux-foundation.org>, Hugh Dickins <hughd@google.com>,
        Phong Tran <tranmanphong@gmail.com>,
        "open list:KERNEL SELFTEST F..." <linux-api@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Shuah Khan <shuahkh@osg.samsung.com>
Subject: Re: [PATCH] selftests/memfd: Run test on all architectures
References: <1410821984-11160-1-git-send-email-bobby.prani@gmail.com> <CANq1E4Q_KfDamkCMatGFYCQ0VPfc6tbd7sWT_z_qDeboiNzgNw@mail.gmail.com>
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On 09/17/2014 06:28 AM, David Herrmann wrote:
> Hi
> 
> On Tue, Sep 16, 2014 at 12:59 AM, Pranith Kumar <bobby.prani@gmail.com> wrote:
>> Remove the dependence on x86 to run the memfd test. Verfied on 32-bit powerpc.
>>
>> Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
> 
> Now that most archs have __NR_memfd_create, this is:
> 
> Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
> 

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 ‘sys_memfd_create’:
memfd_test.c:26:17: error: ‘__NR_memfd_create’ 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???

thanks,
-- Shuah

-- 
Shuah Khan
Sr. Linux Kernel Developer
Samsung Research America (Silicon Valley)
shuahkh@osg.samsung.com | (970) 217-8978