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Message-ID: <202301282216.D4fgHBjZ-lkp@intel.com>
Date: Sat, 28 Jan 2023 22:38:21 +0800
From: kernel test robot <lkp@...el.com>
To: Joanne Koong <joannelkoong@...il.com>, bpf@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, daniel@...earbox.net,
andrii@...nel.org, martin.lau@...nel.org, ast@...nel.org,
netdev@...r.kernel.org, memxor@...il.com, kernel-team@...com,
Joanne Koong <joannelkoong@...il.com>
Subject: Re: [PATCH v8 bpf-next 4/5] bpf: Add xdp dynptrs
Hi Joanne,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/bpf-Allow-sk_buff-and-xdp_buff-as-valid-kfunc-arg-types/20230128-170947
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link: https://lore.kernel.org/r/20230126233439.3739120-5-joannelkoong%40gmail.com
patch subject: [PATCH v8 bpf-next 4/5] bpf: Add xdp dynptrs
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230128/202301282216.D4fgHBjZ-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/ca213ec890479169ac6661c55e4c3eb95b4d8464
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Joanne-Koong/bpf-Allow-sk_buff-and-xdp_buff-as-valid-kfunc-arg-types/20230128-170947
git checkout ca213ec890479169ac6661c55e4c3eb95b4d8464
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash net/core/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
net/core/filter.c:1866:5: warning: no previous prototype for 'bpf_dynptr_from_skb' [-Wmissing-prototypes]
1866 | int bpf_dynptr_from_skb(struct sk_buff *skb, u64 flags,
| ^~~~~~~~~~~~~~~~~~~
>> net/core/filter.c:3858:5: warning: no previous prototype for 'bpf_dynptr_from_xdp' [-Wmissing-prototypes]
3858 | int bpf_dynptr_from_xdp(struct xdp_buff *xdp, u64 flags, struct bpf_dynptr_kern *ptr)
| ^~~~~~~~~~~~~~~~~~~
vim +/bpf_dynptr_from_xdp +3858 net/core/filter.c
3857
> 3858 int bpf_dynptr_from_xdp(struct xdp_buff *xdp, u64 flags, struct bpf_dynptr_kern *ptr)
3859 {
3860 if (flags) {
3861 bpf_dynptr_set_null(ptr);
3862 return -EINVAL;
3863 }
3864
3865 bpf_dynptr_init(ptr, xdp, BPF_DYNPTR_TYPE_XDP, 0, xdp_get_buff_len(xdp));
3866
3867 return 0;
3868 }
3869
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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