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

From: Jonathan Cameron
Date: Sun Sep 13 2020 - 05:43:16 EST


On Thu, 10 Sep 2020 09:54:06 +0800
kernel test robot <lkp@xxxxxxxxx> 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@xxxxxxxxx>
>
> 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@xxxxxxxxxxxx