On 15/03/17 00:57, Michael Ellerman wrote: > Chris Packham <chris.pack...@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 >
It breaks my builds for ppc and arm. We do have KCFLAGS=-Werror in our environment but KCPPFLAGS= is not set so I'm not sure why it's stopping compilation.
