syscall statx not implemented on powerpc

[Michael Ellerman]

Chris Packham <Chris.Packham at alliedtelesis.co.nz> writes:

> On 13/03/17 21:52, Chandan Rajendra wrote:
>> On Monday, March 13, 2017 03:33:07 AM Chris Packham wrote:
>>> Hi,
>>>
>>> I've just attempted to build a powerpc kernel from 4.11-rc2 using a
>>> custom defconfig (available on request) and I'm hitting the following
>>> error in the early stages of compilation.
>>>
>>> <stdin>:1325:2: error: #warning syscall statx not implemented [-Werror=cpp]
>>>
>>> Same thing seems to happen with mpc85xx_basic_defconfig.
>>>
>>> I don't actually need this syscall so I'd be happy to turn something off
>>> to get things building. I did a quick search and couldn't see anything
>>> on linuxppc-dev but google keeps correcting "statx" to "stats" so I
>>> could have missed it.
>>>
>>
>> The upstream commit
>> (https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a528d35e8bfcc521d7cb70aaf03e1bd296c8493f)
>> that introduces the statx syscall provides a test program. I will wire-up the
>> syscall on ppc64, run that test program and post the patch if the test program
>> works well.
>>
>
> Thanks, I'd be happy to test a patch here.
>
> In the meantime I worked around the build issue by adding __INGORE_statx 
> to checksyscalls.sh.

Is it actually breaking the build? It's meant to be a warning, and
that's all I get.

cheers