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

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Message-ID: <5419AA71.4020506@osg.samsung.com>
Date:	Wed, 17 Sep 2014 09:36:17 -0600
From:	Shuah Khan <shuahkh@....samsung.com>
To:	David Herrmann <dh.herrmann@...il.com>,
	Pranith Kumar <bobby.prani@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...gle.com>,
	Phong Tran <tranmanphong@...il.com>,
	"open list:KERNEL SELFTEST F..." <linux-api@...r.kernel.org>,
	open list <linux-kernel@...r.kernel.org>,
	Shuah Khan <shuahkh@....samsung.com>
Subject: Re: [PATCH] selftests/memfd: Run test on all architectures

On 09/17/2014 06:28 AM, David Herrmann wrote:
> Hi
> 
> On Tue, Sep 16, 2014 at 12:59 AM, Pranith Kumar <bobby.prani@...il.com> wrote:
>> Remove the dependence on x86 to run the memfd test. Verfied on 32-bit powerpc.
>>
>> Signed-off-by: Pranith Kumar <bobby.prani@...il.com>
> 
> Now that most archs have __NR_memfd_create, this is:
> 
> Reviewed-by: David Herrmann <dh.herrmann@...il.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@....samsung.com | (970) 217-8978
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