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Date: Thu, 1 Sep 2022 09:27:37 +0800
From: kernel test robot <lkp@...el.com>
To: Joanne Koong <joannelkoong@...il.com>, bpf@...r.kernel.org
Cc: kbuild-all@...ts.01.org, andrii@...nel.org, daniel@...earbox.net,
ast@...nel.org, kafai@...com, memxor@...il.com, toke@...hat.com,
kuba@...nel.org, netdev@...r.kernel.org,
Joanne Koong <joannelkoong@...il.com>
Subject: Re: [PATCH bpf-next v5 1/3] bpf: Add skb dynptrs
Hi Joanne,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on bpf-next/master]
url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Add-skb-xdp-dynptrs/20220901-024122
base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: arc-randconfig-r043-20220831 (https://download.01.org/0day-ci/archive/20220901/202209010933.f4RMjrd9-lkp@intel.com/config)
compiler: arc-elf-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/273adaa44c063c460e9a23123957a1864c5cc26c
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Joanne-Koong/Add-skb-xdp-dynptrs/20220901-024122
git checkout 273adaa44c063c460e9a23123957a1864c5cc26c
# 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=arc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All error/warnings (new ones prefixed by >>):
In file included from kernel/sysctl.c:35:
>> include/linux/filter.h:1540:5: warning: no previous prototype for '__bpf_skb_load_bytes' [-Wmissing-prototypes]
1540 | int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len)
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/filter.h:1545:5: warning: no previous prototype for '__bpf_skb_store_bytes' [-Wmissing-prototypes]
1545 | int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from kernel/kallsyms.c:25:
>> include/linux/filter.h:1540:5: warning: no previous prototype for '__bpf_skb_load_bytes' [-Wmissing-prototypes]
1540 | int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len)
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/filter.h:1545:5: warning: no previous prototype for '__bpf_skb_store_bytes' [-Wmissing-prototypes]
1545 | int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
| ^~~~~~~~~~~~~~~~~~~~~
kernel/kallsyms.c:570:12: warning: no previous prototype for 'arch_get_kallsym' [-Wmissing-prototypes]
570 | int __weak arch_get_kallsym(unsigned int symnum, unsigned long *value,
| ^~~~~~~~~~~~~~~~
--
In file included from kernel/bpf/core.c:21:
>> include/linux/filter.h:1540:5: warning: no previous prototype for '__bpf_skb_load_bytes' [-Wmissing-prototypes]
1540 | int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len)
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/filter.h:1545:5: warning: no previous prototype for '__bpf_skb_store_bytes' [-Wmissing-prototypes]
1545 | int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
| ^~~~~~~~~~~~~~~~~~~~~
kernel/bpf/core.c:1623:12: warning: no previous prototype for 'bpf_probe_read_kernel' [-Wmissing-prototypes]
1623 | u64 __weak bpf_probe_read_kernel(void *dst, u32 size, const void *unsafe_ptr)
| ^~~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/bpf_verifier.h:9,
from kernel/bpf/btf.c:19:
>> include/linux/filter.h:1540:5: warning: no previous prototype for '__bpf_skb_load_bytes' [-Wmissing-prototypes]
1540 | int __bpf_skb_load_bytes(const struct sk_buff *skb, u32 offset, void *to, u32 len)
| ^~~~~~~~~~~~~~~~~~~~
>> include/linux/filter.h:1545:5: warning: no previous prototype for '__bpf_skb_store_bytes' [-Wmissing-prototypes]
1545 | int __bpf_skb_store_bytes(struct sk_buff *skb, u32 offset, const void *from,
| ^~~~~~~~~~~~~~~~~~~~~
kernel/bpf/btf.c: In function 'btf_seq_show':
kernel/bpf/btf.c:6612:29: warning: function 'btf_seq_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
6612 | seq_vprintf((struct seq_file *)show->target, fmt, args);
| ^~~~~~~~
kernel/bpf/btf.c: In function 'btf_snprintf_show':
kernel/bpf/btf.c:6649:9: warning: function 'btf_snprintf_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
6649 | len = vsnprintf(show->target, ssnprintf->len_left, fmt, args);
| ^~~
--
arc-elf-ld: drivers/target/target_core_hba.o: in function `__bpf_skb_load_bytes':
>> target_core_hba.c:(.text+0x1d8): multiple definition of `__bpf_skb_load_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb44): first defined here
arc-elf-ld: drivers/target/target_core_hba.o: in function `__bpf_skb_store_bytes':
>> target_core_hba.c:(.text+0x1e0): multiple definition of `__bpf_skb_store_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb4c): first defined here
arc-elf-ld: drivers/target/target_core_tpg.o: in function `__bpf_skb_load_bytes':
target_core_tpg.c:(.text+0x664): multiple definition of `__bpf_skb_load_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb44): first defined here
arc-elf-ld: drivers/target/target_core_tpg.o: in function `__bpf_skb_store_bytes':
target_core_tpg.c:(.text+0x66c): multiple definition of `__bpf_skb_store_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb4c): first defined here
arc-elf-ld: drivers/target/target_core_transport.o: in function `__bpf_skb_load_bytes':
target_core_transport.c:(.text+0x4640): multiple definition of `__bpf_skb_load_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb44): first defined here
arc-elf-ld: drivers/target/target_core_transport.o: in function `__bpf_skb_store_bytes':
target_core_transport.c:(.text+0x4648): multiple definition of `__bpf_skb_store_bytes'; drivers/target/target_core_device.o:target_core_device.c:(.text+0xb4c): first defined here
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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