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Subject: Re: [philip.li@intel.com: Re: [kbuild-all] [vfs:work.aio 10/12]
 fs/aio.c:1444: undefined reference to `ioprio_check_cap']
From: Chen Rong <rongx.a.chen@intel.com>
To: viro@ZenIV.linux.org.uk
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Date: Thu, 07 Jun 2018 10:13:37 +0800
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Hi Viro,

I can reporduce the problem with the config (x86_64-randconfig-u0-06010558), 
I guess it's because CONFIG_BLOCK is disabled in x86_64-randconfig-u0-06010558.
Thanks!


> Date: Fri, 1 Jun 2018 01:12:48 +0000
> From: "Li, Philip" <philip.li@intel.com>
> To: Al Viro <viro@ZenIV.linux.org.uk>, lkp <lkp@intel.com>
> CC: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, Adam Manzanares <adam.manzanares@wdc.com>, Jeff Moyer <jmoyer@redhat.com>, "kbuild-all@01.org" <kbui
> ld-all@01.org>,
> 	Christoph Hellwig <hch@lst.de>
> Subject: Re: [kbuild-all] [vfs:work.aio 10/12] fs/aio.c:1444: undefined reference to `ioprio_check_cap'
> 
> > On Fri, Jun 01, 2018 at 01:54:49AM +0100, Al Viro wrote:
> > > On Fri, Jun 01, 2018 at 08:36:47AM +0800, kbuild test robot wrote:
> > > > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git work.aio
> > > > head:   087e566916ce2cde4f20a148607c9c3591f46f67
> > > > commit: d9a08a9e616beeccdbd0e7262b7225ffdfa49e92 [10/12] fs: Add aio
> > 
> > iopriority support
> > > > config: x86_64-randconfig-u0-06010558 (attached as .config)
> > > > compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010
> > > > reproduce:
> > > >         git checkout d9a08a9e616beeccdbd0e7262b7225ffdfa49e92
> > > >         # save the attached .config to linux build tree
> > > >         make ARCH=x86_64
> > > > 
> > > > All errors (new ones prefixed by >>):
> > > > 
> > > >    fs/aio.o: In function `aio_prep_rw':
> > > > > > fs/aio.c:1444: undefined reference to `ioprio_check_cap'
> > 
> > gcc-6 ((Debian 6.3.0-18+deb9u1) 6.3.0 20170516) does not trigger that on your
> > config.  Neither does gcc-5 (Debian 5.4.1-4) 5.4.1 20161202 with the same config
> > sans GCC_PLUGINS crap...
> 
> thanks for input, we will double check this to check what's possibly wrong.
> 
> > _______________________________________________
> > kbuild-all mailing list
> > kbuild-all@lists.01.org
> > https://lists.01.org/mailman/listinfo/kbuild-all
> 
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