linux-kernel - Re: [PATCH bpf-next v5 2/2] bpf: allow bpf_current_task_under_cgroup() with BPF_CGROUP

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Message-ID: <202408152026.xtFpPaaI-lkp@intel.com>
Date: Thu, 15 Aug 2024 21:01:42 +0800
From: kernel test robot <lkp@...el.com>
To: Matteo Croce <technoboy85@...il.com>,
	Andrii Nakryiko <andrii@...nel.org>,
	Alexei Starovoitov <ast@...nel.org>,
	Daniel Borkmann <daniel@...earbox.net>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>, bpf@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Matteo Croce <teknoraver@...a.com>
Subject: Re: [PATCH bpf-next v5 2/2] bpf: allow
 bpf_current_task_under_cgroup() with BPF_CGROUP_*

Hi Matteo,

kernel test robot noticed the following build errors:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Matteo-Croce/bpf-enable-generic-kfuncs-for-BPF_CGROUP_-programs/20240815-000517
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20240813132831.184362-3-technoboy85%40gmail.com
patch subject: [PATCH bpf-next v5 2/2] bpf: allow bpf_current_task_under_cgroup() with BPF_CGROUP_*
config: arm-randconfig-003-20240815 (https://download.01.org/0day-ci/archive/20240815/202408152026.xtFpPaaI-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408152026.xtFpPaaI-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/202408152026.xtFpPaaI-lkp@intel.com/

All errors (new ones prefixed by >>):

   arm-linux-gnueabi-ld: kernel/trace/bpf_trace.o: in function `bpf_tracing_func_proto':
>> bpf_trace.c:(.text+0x41bc): undefined reference to `bpf_current_task_under_cgroup_proto'

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