linux-kernel - Re: [PATCH 13/36] sched_ext: Add scx_simple and scx_example

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Date:   Sun, 12 Nov 2023 12:17:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Tejun Heo <tj@...nel.org>, torvalds@...ux-foundation.org,
        mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bsegall@...gle.com, mgorman@...e.de,
        bristot@...hat.com, vschneid@...hat.com, ast@...nel.org,
        daniel@...earbox.net, andrii@...nel.org, martin.lau@...nel.org,
        joshdon@...gle.com, brho@...gle.com, pjt@...gle.com,
        derkling@...gle.com, haoluo@...gle.com, dvernet@...a.com,
        dschatzberg@...a.com, dskarlat@...cmu.edu, riel@...riel.com,
        changwoo@...lia.com, himadrics@...ia.fr, memxor@...il.com
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org, kernel-team@...a.com
Subject: Re: [PATCH 13/36] sched_ext: Add scx_simple and scx_example_qmap
 example schedulers

Hi Tejun,

kernel test robot noticed the following build errors:

[auto build test ERROR on linux/master]
[also build test ERROR on linus/master next-20231110]
[cannot apply to tip/sched/core tj-cgroup/for-next v6.6]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Tejun-Heo/sched-Restructure-sched_class-order-sanity-checks-in-sched_init/20231111-145751
base:   linux/master
patch link:    https://lore.kernel.org/r/20231111024835.2164816-14-tj%40kernel.org
patch subject: [PATCH 13/36] sched_ext: Add scx_simple and scx_example_qmap example schedulers
reproduce: (https://download.01.org/0day-ci/archive/20231112/202311121239.GTR1obNe-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202311121239.GTR1obNe-lkp@intel.com/

All errors (new ones prefixed by >>):

>> Makefile:83: *** Cannot find a vmlinux for VMLINUX_BTF at any of "  ../../vmlinux /sys/kernel/btf/vmlinux /boot/vmlinux-5.9.0-0.bpo.2-amd64".  Stop.

vim +83 Makefile

^1da177e4c3f41 Linus Torvalds 2005-04-16  81  
^1da177e4c3f41 Linus Torvalds 2005-04-16  82  ifeq ("$(origin V)", "command line")
^1da177e4c3f41 Linus Torvalds 2005-04-16 @83    KBUILD_VERBOSE = $(V)
^1da177e4c3f41 Linus Torvalds 2005-04-16  84  endif
^1da177e4c3f41 Linus Torvalds 2005-04-16  85  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki