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Date: Wed, 6 Mar 2024 07:27:11 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>,
LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:testing/WFAMNAE-next20240305 1/1]
include/linux/bpf-cgroup.h:191:15: warning: comparison of distinct pointer
types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *')
tree: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/WFAMNAE-next20240305
head: 3a02035a7f980ddbf41dd11815bb4e5f29e104d5
commit: 3a02035a7f980ddbf41dd11815bb4e5f29e104d5 [1/1] treewide: Address -Wflex-array-member-not-at-end warnings
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240306/202403060704.3XRbwOZ1-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 325f51237252e6dab8e4e1ea1fa7acbb4faee1cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240306/202403060704.3XRbwOZ1-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/202403060704.3XRbwOZ1-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from security/apparmor/lsm.c:11:
In file included from include/linux/lsm_hooks.h:29:
In file included from include/linux/security.h:33:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from security/apparmor/lsm.c:11:
In file included from include/linux/lsm_hooks.h:29:
In file included from include/linux/security.h:35:
include/linux/bpf.h:736:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
736 | ARG_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:737:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
737 | ARG_PTR_TO_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:738:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
738 | ARG_PTR_TO_CTX_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_CTX,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:739:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
739 | ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:740:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
740 | ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:741:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
741 | ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:745:38: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
745 | ARG_PTR_TO_UNINIT_MEM = MEM_UNINIT | ARG_PTR_TO_MEM,
| ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:747:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
747 | ARG_PTR_TO_FIXED_SIZE_MEM = MEM_FIXED_SIZE | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:770:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
770 | RET_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:771:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
771 | RET_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:772:47: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
772 | RET_PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:773:50: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
773 | RET_PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:775:49: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
775 | RET_PTR_TO_DYNPTR_MEM_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:776:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
776 | RET_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:777:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
777 | RET_PTR_TO_BTF_ID_TRUSTED = PTR_TRUSTED | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:888:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
888 | PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:889:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
889 | PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
include/linux/bpf.h:890:46: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
890 | PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:891:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
891 | PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
include/linux/bpf.h:892:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
892 | PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
In file included from security/apparmor/lsm.c:23:
In file included from include/linux/netfilter_ipv6.h:11:
In file included from include/net/tcp.h:47:
>> include/linux/bpf-cgroup.h:191:15: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') [-Wcompare-distinct-pointer-types]
191 | return array != &bpf_empty_prog_array.hdr;
| ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from security/apparmor/lsm.c:23:
In file included from include/linux/netfilter_ipv6.h:11:
include/net/tcp.h:2450:27: error: incompatible pointer types initializing 'const struct ip_options *' with an expression of type 'struct ip_options_hdr *' [-Werror,-Wincompatible-pointer-types]
2450 | const struct ip_options *opt = &TCP_SKB_CB(skb)->header.h4.opt;
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 warnings and 1 error generated.
--
In file included from net/core/filter.c:21:
In file included from include/linux/bpf_verifier.h:7:
In file included from include/linux/bpf.h:21:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from net/core/filter.c:21:
In file included from include/linux/bpf_verifier.h:7:
include/linux/bpf.h:736:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
736 | ARG_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:737:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
737 | ARG_PTR_TO_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:738:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
738 | ARG_PTR_TO_CTX_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_CTX,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:739:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
739 | ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:740:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
740 | ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:741:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
741 | ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:745:38: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
745 | ARG_PTR_TO_UNINIT_MEM = MEM_UNINIT | ARG_PTR_TO_MEM,
| ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:747:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
747 | ARG_PTR_TO_FIXED_SIZE_MEM = MEM_FIXED_SIZE | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:770:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
770 | RET_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:771:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
771 | RET_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:772:47: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
772 | RET_PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:773:50: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
773 | RET_PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:775:49: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
775 | RET_PTR_TO_DYNPTR_MEM_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:776:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
776 | RET_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:777:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
777 | RET_PTR_TO_BTF_ID_TRUSTED = PTR_TRUSTED | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:888:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
888 | PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:889:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
889 | PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
include/linux/bpf.h:890:46: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
890 | PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:891:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
891 | PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
include/linux/bpf.h:892:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
892 | PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
In file included from net/core/filter.c:39:
In file included from include/linux/skmsg.h:13:
In file included from include/net/tcp.h:47:
>> include/linux/bpf-cgroup.h:191:15: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') [-Wcompare-distinct-pointer-types]
191 | return array != &bpf_empty_prog_array.hdr;
| ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from net/core/filter.c:39:
In file included from include/linux/skmsg.h:13:
include/net/tcp.h:2450:27: error: incompatible pointer types initializing 'const struct ip_options *' with an expression of type 'struct ip_options_hdr *' [-Werror,-Wincompatible-pointer-types]
2450 | const struct ip_options *opt = &TCP_SKB_CB(skb)->header.h4.opt;
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/filter.c:1726:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1726 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:2042:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2042 | .arg1_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:2044:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2044 | .arg3_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:2583:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2583 | .arg2_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:4600:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4600 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4614:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4614 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4814:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4814 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4840:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4840 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5012:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5012 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5026:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5026 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5075:45: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5075 | .arg1_type = ARG_PTR_TO_BTF_ID_SOCK_COMMON | PTR_MAYBE_NULL,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:5483:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5483 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5517:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5517 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5551:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5551 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5585:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5585 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5760:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5760 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6397:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6397 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6407:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6407 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6785:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6785 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6804:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6804 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6823:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6823 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6847:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6847 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6871:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6871 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6895:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6895 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6912:45: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6912 | .arg1_type = ARG_PTR_TO_BTF_ID_SOCK_COMMON | OBJ_RELEASE,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~
net/core/filter.c:6933:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6933 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6957:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6957 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6981:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6981 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:7001:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
7001 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:7020:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
7020 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:7039:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
7039 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
--
In file included from net/core/skmsg.c:4:
In file included from include/linux/skmsg.h:7:
In file included from include/linux/bpf.h:21:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
In file included from net/core/skmsg.c:4:
In file included from include/linux/skmsg.h:7:
include/linux/bpf.h:736:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
736 | ARG_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:737:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
737 | ARG_PTR_TO_MEM_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:738:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
738 | ARG_PTR_TO_CTX_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_CTX,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:739:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
739 | ARG_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:740:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
740 | ARG_PTR_TO_STACK_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_STACK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:741:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
741 | ARG_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | ARG_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:745:38: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
745 | ARG_PTR_TO_UNINIT_MEM = MEM_UNINIT | ARG_PTR_TO_MEM,
| ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:747:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_arg_type') [-Wenum-enum-conversion]
747 | ARG_PTR_TO_FIXED_SIZE_MEM = MEM_FIXED_SIZE | ARG_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:770:48: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
770 | RET_PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:771:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
771 | RET_PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:772:47: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
772 | RET_PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:773:50: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
773 | RET_PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:775:49: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
775 | RET_PTR_TO_DYNPTR_MEM_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_MEM,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
include/linux/bpf.h:776:45: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
776 | RET_PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:777:43: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_return_type') [-Wenum-enum-conversion]
777 | RET_PTR_TO_BTF_ID_TRUSTED = PTR_TRUSTED | RET_PTR_TO_BTF_ID,
| ~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~
include/linux/bpf.h:888:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
888 | PTR_TO_MAP_VALUE_OR_NULL = PTR_MAYBE_NULL | PTR_TO_MAP_VALUE,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~
include/linux/bpf.h:889:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
889 | PTR_TO_SOCKET_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCKET,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
include/linux/bpf.h:890:46: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
890 | PTR_TO_SOCK_COMMON_OR_NULL = PTR_MAYBE_NULL | PTR_TO_SOCK_COMMON,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~
include/linux/bpf.h:891:44: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
891 | PTR_TO_TCP_SOCK_OR_NULL = PTR_MAYBE_NULL | PTR_TO_TCP_SOCK,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~
include/linux/bpf.h:892:42: warning: bitwise operation between different enumeration types ('enum bpf_type_flag' and 'enum bpf_reg_type') [-Wenum-enum-conversion]
892 | PTR_TO_BTF_ID_OR_NULL = PTR_MAYBE_NULL | PTR_TO_BTF_ID,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~
In file included from net/core/skmsg.c:4:
In file included from include/linux/skmsg.h:13:
In file included from include/net/tcp.h:47:
>> include/linux/bpf-cgroup.h:191:15: warning: comparison of distinct pointer types ('struct bpf_prog_array *' and 'struct bpf_prog_array_hdr *') [-Wcompare-distinct-pointer-types]
191 | return array != &bpf_empty_prog_array.hdr;
| ~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from net/core/skmsg.c:4:
In file included from include/linux/skmsg.h:13:
include/net/tcp.h:2450:27: error: incompatible pointer types initializing 'const struct ip_options *' with an expression of type 'struct ip_options_hdr *' [-Werror,-Wincompatible-pointer-types]
2450 | const struct ip_options *opt = &TCP_SKB_CB(skb)->header.h4.opt;
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/skmsg.c:735:2: error: incomplete definition of type 'struct cm_work'
735 | INIT_DELAYED_WORK(&psock->work, sk_psock_backlog);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:310:13: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/container_of.h:20:47: note: expanded from macro 'container_of'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/workqueue.h:300:15: note: expanded from macro 'INIT_WORK'
300 | __INIT_WORK((_work), (_func), 0)
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:296:19: note: expanded from macro '__INIT_WORK'
296 | __INIT_WORK_KEY(_work, _func, _onstack, &__key); \
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:285:16: note: expanded from macro '__INIT_WORK_KEY'
285 | __init_work((_work), _onstack); \
| ^~~~~
net/core/skmsg.c:735:2: note: forward declaration of 'struct cm_work'
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^
include/linux/workqueue.h:310:49: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ^
net/core/skmsg.c:735:2: error: offsetof of incomplete type 'struct cm_work'
735 | INIT_DELAYED_WORK(&psock->work, sk_psock_backlog);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:310:13: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ^ ~~~~~~
include/linux/container_of.h:23:21: note: expanded from macro 'container_of'
23 | ((type *)(__mptr - offsetof(type, member))); })
| ^ ~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/workqueue.h:300:15: note: expanded from macro 'INIT_WORK'
300 | __INIT_WORK((_work), (_func), 0)
| ^~~~~
include/linux/workqueue.h:296:19: note: expanded from macro '__INIT_WORK'
296 | __INIT_WORK_KEY(_work, _func, _onstack, &__key); \
| ^~~~~
include/linux/workqueue.h:285:16: note: expanded from macro '__INIT_WORK_KEY'
285 | __init_work((_work), _onstack); \
| ^~~~~
net/core/skmsg.c:735:2: note: forward declaration of 'struct cm_work'
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^
include/linux/workqueue.h:310:49: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ^
net/core/skmsg.c:735:2: error: passing 'void' to parameter of incompatible type 'struct work_struct *'
735 | INIT_DELAYED_WORK(&psock->work, sk_psock_backlog);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:310:3: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:300:2: note: expanded from macro 'INIT_WORK'
300 | __INIT_WORK((_work), (_func), 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:296:3: note: expanded from macro '__INIT_WORK'
296 | __INIT_WORK_KEY(_work, _func, _onstack, &__key); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:285:15: note: expanded from macro '__INIT_WORK_KEY'
285 | __init_work((_work), _onstack); \
| ^~~~~~~
include/linux/workqueue.h:260:52: note: passing argument to parameter 'work' here
260 | static inline void __init_work(struct work_struct *work, int onstack) { }
| ^
net/core/skmsg.c:735:2: error: incomplete definition of type 'struct cm_work'
735 | INIT_DELAYED_WORK(&psock->work, sk_psock_backlog);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:325:2: note: expanded from macro 'INIT_DELAYED_WORK'
325 | __INIT_DELAYED_WORK(_work, _func, 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/workqueue.h:310:13: note: expanded from macro '__INIT_DELAYED_WORK'
310 | INIT_WORK(container_of(&(_work)->work, struct cm_work, hdr), (_func)); \
| ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/container_of.h:20:47: note: expanded from macro 'container_of'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/workqueue.h:300:15: note: expanded from macro 'INIT_WORK'
.
vim +191 include/linux/bpf-cgroup.h
de9cbbaadba5ad Roman Gushchin 2018-08-02 178
b741f1630346de Roman Gushchin 2018-09-28 179 int bpf_percpu_cgroup_storage_copy(struct bpf_map *map, void *key, void *value);
b741f1630346de Roman Gushchin 2018-09-28 180 int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key,
b741f1630346de Roman Gushchin 2018-09-28 181 void *value, u64 flags);
b741f1630346de Roman Gushchin 2018-09-28 182
46531a30364bd4 Pavel Begunkov 2022-01-27 183 /* Opportunistic check to see whether we have any BPF program attached*/
46531a30364bd4 Pavel Begunkov 2022-01-27 184 static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
46531a30364bd4 Pavel Begunkov 2022-01-27 185 enum cgroup_bpf_attach_type type)
46531a30364bd4 Pavel Begunkov 2022-01-27 186 {
46531a30364bd4 Pavel Begunkov 2022-01-27 187 struct cgroup *cgrp = sock_cgroup_ptr(&sk->sk_cgrp_data);
46531a30364bd4 Pavel Begunkov 2022-01-27 188 struct bpf_prog_array *array;
46531a30364bd4 Pavel Begunkov 2022-01-27 189
46531a30364bd4 Pavel Begunkov 2022-01-27 190 array = rcu_access_pointer(cgrp->bpf.effective[type]);
46531a30364bd4 Pavel Begunkov 2022-01-27 @191 return array != &bpf_empty_prog_array.hdr;
46531a30364bd4 Pavel Begunkov 2022-01-27 192 }
46531a30364bd4 Pavel Begunkov 2022-01-27 193
:::::: The code at line 191 was first introduced by commit
:::::: 46531a30364bd483bfa1b041c15d42a196e77e93 cgroup/bpf: fast path skb BPF filtering
:::::: TO: Pavel Begunkov <asml.silence@...il.com>
:::::: CC: Alexei Starovoitov <ast@...nel.org>
--
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