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From: kernel test robot <lkp@intel.com>
To: Geliang Tang <geliang@kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andrii@kernel.org>,
	Martin KaFai Lau <martin.lau@linux.dev>,
	Song Liu <song@kernel.org>,
	Yonghong Song <yonghong.song@linux.dev>,
	Matthieu Baerts <matttbe@kernel.org>,
	Eduard Zingerman <eddyz87@gmail.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@kernel.org>,
	Stanislav Fomichev <sdf@google.com>, Hao Luo <haoluo@google.com>,
	Jiri Olsa <jolsa@kernel.org>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	Geliang Tang <tanggeliang@kylinos.cn>,
	bpf@vger.kernel.org, mptcp@lists.linux.dev
Subject: Re: [PATCH bpf-next v2 1/2] bpf, btf: Add register_check_missing_btf helper
Date: Sun, 4 Feb 2024 09:19:31 +0800	[thread overview]
Message-ID: <202402040934.Fph0XeEo-lkp@intel.com> (raw)
In-Reply-To: <f4b147ddaa8fe8c07c7ba77a1d61780bffc49bb6.1706946547.git.tanggeliang@kylinos.cn>

Hi Geliang,

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/Geliang-Tang/bpf-btf-Add-register_check_missing_btf-helper/20240203-155524
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/f4b147ddaa8fe8c07c7ba77a1d61780bffc49bb6.1706946547.git.tanggeliang%40kylinos.cn
patch subject: [PATCH bpf-next v2 1/2] bpf, btf: Add register_check_missing_btf helper
config: arm-imxrt_defconfig (https://download.01.org/0day-ci/archive/20240204/202402040934.Fph0XeEo-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7dd790db8b77c4a833c06632e903dc4f13877a64)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240204/202402040934.Fph0XeEo-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402040934.Fph0XeEo-lkp@intel.com/

All errors (new ones prefixed by >>):

>> kernel/bpf/btf.c:7750:11: error: incomplete definition of type 'struct module'
    7750 |                                 module->name, msg);
         |                                 ~~~~~~^
   include/linux/printk.h:508:37: note: expanded from macro 'pr_warn'
     508 |         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
         |                                            ^~~~~~~~~~~
   include/linux/printk.h:455:60: note: expanded from macro 'printk'
     455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                            ^~~~~~~~~~~
   include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
     427 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                                 ^~~~~~~~~~~
   include/linux/printk.h:348:8: note: forward declaration of 'struct module'
     348 | struct module;
         |        ^
   kernel/bpf/btf.c:7753:63: error: incomplete definition of type 'struct module'
    7753 |                 pr_err("missing module %s BTF, cannot register %s\n", module->name, msg);
         |                                                                       ~~~~~~^
   include/linux/printk.h:498:33: note: expanded from macro 'pr_err'
     498 |         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
         |                                        ^~~~~~~~~~~
   include/linux/printk.h:455:60: note: expanded from macro 'printk'
     455 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__)
         |                                                            ^~~~~~~~~~~
   include/linux/printk.h:427:19: note: expanded from macro 'printk_index_wrap'
     427 |                 _p_func(_fmt, ##__VA_ARGS__);                           \
         |                                 ^~~~~~~~~~~
   include/linux/printk.h:348:8: note: forward declaration of 'struct module'
     348 | struct module;
         |        ^
   2 errors generated.


vim +7750 kernel/bpf/btf.c

  7740	
  7741	static int register_check_missing_btf(const struct module *module, const char *msg)
  7742	{
  7743		if (!module && IS_ENABLED(CONFIG_DEBUG_INFO_BTF)) {
  7744			pr_err("missing vmlinux BTF, cannot register %s\n", msg);
  7745			return -ENOENT;
  7746		}
  7747		if (module && IS_ENABLED(CONFIG_DEBUG_INFO_BTF_MODULES)) {
  7748			if (IS_ENABLED(CONFIG_MODULE_ALLOW_BTF_MISMATCH)) {
  7749				pr_warn("allow module %s BTF mismatch, skip register %s\n",
> 7750					module->name, msg);
  7751				return 0;
  7752			}
  7753			pr_err("missing module %s BTF, cannot register %s\n", module->name, msg);
  7754			return -ENOENT;
  7755		}
  7756		return 0;
  7757	}
  7758	

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

  parent reply	other threads:[~2024-02-04  1:19 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-03  7:51 [PATCH bpf-next v2 0/2] bpf, btf: Add DEBUG_INFO_BTF checks for __register_bpf_struct_ops Geliang Tang
2024-02-03  7:51 ` [PATCH bpf-next v2 1/2] bpf, btf: Add register_check_missing_btf helper Geliang Tang
2024-02-04  0:14   ` kernel test robot
2024-02-04  1:19   ` kernel test robot [this message]
2024-02-03  7:51 ` [PATCH bpf-next v2 2/2] bpf, btf: Check btf for register_bpf_struct_ops Geliang Tang

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