linux-kernel - Re: [PATCH] iio: trigger: Don't use RT priority

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Date:   Sun, 13 Sep 2020 10:43:05 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Christian Eggers <ceggers@...i.de>, kbuild-all@...ts.01.org,
        Hartmut Knaack <knaack.h@....de>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] iio: trigger: Don't use RT priority

On Thu, 10 Sep 2020 09:54:06 +0800
kernel test robot <lkp@...el.com> wrote:

> Hi Christian,
> 
> I love your patch! Yet something to improve:
> 
> [auto build test ERROR on iio/togreg]
> [also build test ERROR on v5.9-rc4 next-20200909]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
> 
> url:    https://github.com/0day-ci/linux/commits/Christian-Eggers/iio-trigger-Don-t-use-RT-priority/20200910-002619
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
> config: i386-randconfig-r026-20200909 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
> reproduce (this is a W=1 build):
>         # save the attached .config to linux build tree
>         make W=1 ARCH=i386 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
> >> ERROR: modpost: "sched_setscheduler_nocheck" [drivers/iio/industrialio.ko] undefined!
 
Looks like we can't do this unless we have a precusor patch to export that
function for module use.

Jonathan

> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org