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X-CSE-ConnectionGUID: mGdLrkaWRaeTBEsyhphTTg== X-CSE-MsgGUID: MI0mg9y2Tdq3BtTR83V0iQ== X-IronPort-AV: E=McAfee;i="6800,10657,11735"; a="75184941" X-IronPort-AV: E=Sophos;i="6.23,132,1770624000"; d="scan'208";a="75184941" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Mar 2026 00:28:38 -0700 X-CSE-ConnectionGUID: 1Z1CyaFSSFycwcaMI5I9Hg== X-CSE-MsgGUID: 3QH7w2zXQGGB/b06UHX52w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,132,1770624000"; d="scan'208";a="220370628" Received: from lkp-server02.sh.intel.com (HELO d7fefbca0d04) ([10.239.97.151]) by fmviesa007.fm.intel.com with ESMTP; 21 Mar 2026 00:28:35 -0700 Received: from kbuild by d7fefbca0d04 with local (Exim 4.98.2) (envelope-from ) id 1w3qky-000000000Qv-2dBa; Sat, 21 Mar 2026 07:28:28 +0000 Date: Sat, 21 Mar 2026 15:27:51 +0800 From: kernel test robot To: Pablo Neira Ayuso Cc: oe-kbuild-all@lists.linux.dev, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, Florian Westphal Subject: [netfilter-nf:testing 7/9] arch/mips/include/asm/kexec.h:47:15: warning: unused variable '_crash_smp_send_stop' Message-ID: <202603211508.hPFgpNxL-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: netfilter-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git testing head: b1bad43d8b00ab31c8f93145a4c8db1567f0d2fe commit: 20d564bba6b3806c26498061299a88330561efa5 [7/9] netfilter: ctnetlink: ensure safe access to master conntrack config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20260321/202603211508.hPFgpNxL-lkp@intel.com/config) compiler: mips-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260321/202603211508.hPFgpNxL-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202603211508.hPFgpNxL-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/mellanox/mlx5/core/en_stats.h:522:8: note: in expansion of macro 'MLX5E_DECLARE_STATS_GRP' 522 | extern MLX5E_DECLARE_STATS_GRP(qcnt); | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_stats.h:97:30: warning: unused variable 'mlx5e_stats_grp_sw' [-Wunused-variable] 97 | #define MLX5E_STATS_GRP(grp) mlx5e_stats_grp_ ## grp | ^~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_stats.h:100:38: note: in expansion of macro 'MLX5E_STATS_GRP' 100 | const struct mlx5e_stats_grp MLX5E_STATS_GRP(grp) | ^~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_stats.h:521:8: note: in expansion of macro 'MLX5E_DECLARE_STATS_GRP' 521 | extern MLX5E_DECLARE_STATS_GRP(sw); | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en_stats.h:518:26: warning: unused variable 'mlx5e_nic_stats_grps' [-Wunused-variable] 518 | extern mlx5e_stats_grp_t mlx5e_nic_stats_grps[]; | ^~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h:46:13: warning: unused variable 'mlx5_core_debug_mask' [-Wunused-variable] 46 | extern uint mlx5_core_debug_mask; | ^~~~~~~~~~~~~~~~~~~~ include/linux/filter.h:1610:32: warning: unused variable 'bpf_sk_lookup_enabled' [-Wunused-variable] 1610 | extern struct static_key_false bpf_sk_lookup_enabled; | ^~~~~~~~~~~~~~~~~~~~~ include/linux/filter.h:1266:13: warning: unused variable 'bpf_jit_limit_max' [-Wunused-variable] 1266 | extern long bpf_jit_limit_max; | ^~~~~~~~~~~~~~~~~ include/linux/filter.h:1265:13: warning: unused variable 'bpf_jit_limit' [-Wunused-variable] 1265 | extern long bpf_jit_limit; | ^~~~~~~~~~~~~ In file included from include/linux/security.h:35: include/linux/bpf.h:1528:38: warning: unused variable 'bpf_dispatcher_xdp' [-Wunused-variable] 1528 | extern struct bpf_dispatcher bpf_dispatcher_##name; | ^~~~~~~~~~~~~~~ include/linux/filter.h:1012:1: note: in expansion of macro 'DECLARE_BPF_DISPATCHER' 1012 | DECLARE_BPF_DISPATCHER(xdp) | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/filter.h:691:14: warning: unused variable 'nfct_btf_struct_access' [-Wunused-variable] 691 | extern int (*nfct_btf_struct_access)(struct bpf_verifier_log *log, | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/filter.h:690:21: warning: unused variable 'nf_conn_btf_access_lock' [-Wunused-variable] 690 | extern struct mutex nf_conn_btf_access_lock; | ^~~~~~~~~~~~~~~~~~~~~~~ include/crypto/sha1.h:21:17: warning: unused variable 'sha1_zero_message_hash' [-Wunused-variable] 21 | extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE]; | ^~~~~~~~~~~~~~~~~~~~~~ include/net/udp.h:579:36: warning: unused variable 'udp6_seq_ops' [-Wunused-variable] 579 | extern const struct seq_operations udp6_seq_ops; | ^~~~~~~~~~~~ include/net/udp.h:578:36: warning: unused variable 'udp_seq_ops' [-Wunused-variable] 578 | extern const struct seq_operations udp_seq_ops; | ^~~~~~~~~~~ include/net/udp.h:213:12: warning: unused variable 'sysctl_udp_wmem_min' [-Wunused-variable] 213 | extern int sysctl_udp_wmem_min; | ^~~~~~~~~~~~~~~~~~~ include/net/udp.h:212:12: warning: unused variable 'sysctl_udp_rmem_min' [-Wunused-variable] 212 | extern int sysctl_udp_rmem_min; | ^~~~~~~~~~~~~~~~~~~ include/net/udp.h:211:13: warning: unused variable 'sysctl_udp_mem' [-Wunused-variable] 211 | extern long sysctl_udp_mem[3]; | ^~~~~~~~~~~~~~ include/net/udp.h:208:22: warning: unused variable 'udp_memory_per_cpu_fw_alloc' [-Wunused-variable] 208 | DECLARE_PER_CPU(int, udp_memory_per_cpu_fw_alloc); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:87:51: note: in definition of macro 'DECLARE_PER_CPU_SECTION' 87 | extern __PCPU_ATTRS(sec) __typeof__(type) name | ^~~~ include/net/udp.h:208:1: note: in expansion of macro 'DECLARE_PER_CPU' 208 | DECLARE_PER_CPU(int, udp_memory_per_cpu_fw_alloc); | ^~~~~~~~~~~~~~~ include/net/udp.h:206:21: warning: unused variable 'udp_prot' [-Wunused-variable] 206 | extern struct proto udp_prot; | ^~~~~~~~ include/net/udp.h:106:25: warning: unused variable 'udp_table' [-Wunused-variable] 106 | extern struct udp_table udp_table; | ^~~~~~~~~ include/net/ip_tunnels.h:440:32: warning: unused variable 'ip_tunnel_header_ops' [-Wunused-variable] 440 | extern const struct header_ops ip_tunnel_header_ops; | ^~~~~~~~~~~~~~~~~~~~ include/net/ip6_fib.h:556:36: warning: unused variable 'ipv6_route_seq_ops' [-Wunused-variable] 556 | extern const struct seq_operations ipv6_route_seq_ops; | ^~~~~~~~~~~~~~~~~~ include/net/inet_ecn.h:21:12: warning: unused variable 'sysctl_tunnel_ecn_log' [-Wunused-variable] 21 | extern int sysctl_tunnel_ecn_log; | ^~~~~~~~~~~~~~~~~~~~~ include/linux/crash_dump.h:18:27: warning: unused variable 'dm_crypt_keys_addr' [-Wunused-variable] 18 | extern unsigned long long dm_crypt_keys_addr; | ^~~~~~~~~~~~~~~~~~ include/linux/crash_dump.h:16:27: warning: unused variable 'elfcorehdr_size' [-Wunused-variable] 16 | extern unsigned long long elfcorehdr_size; | ^~~~~~~~~~~~~~~ include/linux/kexec.h:528:13: warning: unused variable 'kexec_file_dbg_print' [-Wunused-variable] 528 | extern bool kexec_file_dbg_print; | ^~~~~~~~~~~~~~~~~~~~ include/linux/kexec.h:470:13: warning: unused variable 'kexec_in_progress' [-Wunused-variable] 470 | extern bool kexec_in_progress; | ^~~~~~~~~~~~~~~~~ include/linux/kexec.h:448:23: warning: unused variable 'kexec_crash_image' [-Wunused-variable] 448 | extern struct kimage *kexec_crash_image; | ^~~~~~~~~~~~~~~~~ include/linux/kexec.h:447:23: warning: unused variable 'kexec_image' [-Wunused-variable] 447 | extern struct kimage *kexec_image; | ^~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:47:15: warning: unused variable '_crash_smp_send_stop' [-Wunused-variable] 47 | extern void (*_crash_smp_send_stop)(void); | ^~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:46:17: warning: unused variable 'kexec_ready_to_reboot' [-Wunused-variable] 46 | extern atomic_t kexec_ready_to_reboot; | ^~~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:45:22: warning: unused variable 'secondary_kexec_args' [-Wunused-variable] 45 | extern unsigned long secondary_kexec_args[4]; | ^~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:44:28: warning: unused variable 'kexec_smp_wait' [-Wunused-variable] 44 | extern const unsigned char kexec_smp_wait[]; | ^~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:39:15: warning: unused variable '_machine_crash_shutdown' [-Wunused-variable] 39 | extern void (*_machine_crash_shutdown)(struct pt_regs *regs); | ^~~~~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:38:15: warning: unused variable '_machine_kexec_shutdown' [-Wunused-variable] 38 | extern void (*_machine_kexec_shutdown)(void); | ^~~~~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:37:14: warning: unused variable '_machine_kexec_prepare' [-Wunused-variable] 37 | extern int (*_machine_kexec_prepare)(struct kimage *); | ^~~~~~~~~~~~~~~~~~~~~~ >> arch/mips/include/asm/kexec.h:36:22: warning: unused variable 'kexec_args' [-Wunused-variable] 36 | extern unsigned long kexec_args[4]; | ^~~~~~~~~~ >> arch/mips/include/asm/stacktrace.h:10:12: warning: unused variable 'raw_show_trace' [-Wunused-variable] 10 | extern int raw_show_trace; | ^~~~~~~~~~~~~~ include/linux/crash_reserve.h:16:21: warning: unused variable 'crashk_cma_ranges' [-Wunused-variable] 16 | extern struct range crashk_cma_ranges[]; | ^~~~~~~~~~~~~~~~~ include/linux/crash_reserve.h:15:24: warning: unused variable 'crashk_low_res' [-Wunused-variable] 15 | extern struct resource crashk_low_res; | ^~~~~~~~~~~~~~ include/linux/crash_reserve.h:14:24: warning: unused variable 'crashk_res' [-Wunused-variable] 14 | extern struct resource crashk_res; | ^~~~~~~~~~ include/linux/vmcore_info.h:76:13: warning: unused variable 'vmcoreinfo_note' [-Wunused-variable] 76 | extern u32 *vmcoreinfo_note; | ^~~~~~~~~~~~~~~ include/linux/vmcore_info.h:75:15: warning: unused variable 'vmcoreinfo_size' [-Wunused-variable] 75 | extern size_t vmcoreinfo_size; | ^~~~~~~~~~~~~~~ include/linux/vmcore_info.h:74:23: warning: unused variable 'vmcoreinfo_data' [-Wunused-variable] 74 | extern unsigned char *vmcoreinfo_data; | ^~~~~~~~~~~~~~~ include/linux/kexec.h:26:29: warning: unused variable 'crash_notes' [-Wunused-variable] 26 | extern note_buf_t __percpu *crash_notes; | ^~~~~~~~~~~ include/net/pkt_cls.h:1075:26: warning: unused variable 'tc_skb_ext_tc' [-Wunused-variable] 1075 | DECLARE_STATIC_KEY_FALSE(tc_skb_ext_tc); | ^~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/pkt_cls.h:78:26: warning: unused variable 'tcf_sw_enabled_key' [-Wunused-variable] 78 | DECLARE_STATIC_KEY_FALSE(tcf_sw_enabled_key); | ^~~~~~~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/linux/mlx5/driver.h:895:23: warning: unused variable 'mlx5_debugfs_root' [-Wunused-variable] 895 | extern struct dentry *mlx5_debugfs_root; | ^~~~~~~~~~~~~~~~~ include/net/devlink.h:1871:36: warning: unused variable 'devlink_dpipe_header_ipv6' [-Wunused-variable] 1871 | extern struct devlink_dpipe_header devlink_dpipe_header_ipv6; | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/net/devlink.h:1870:36: warning: unused variable 'devlink_dpipe_header_ipv4' [-Wunused-variable] 1870 | extern struct devlink_dpipe_header devlink_dpipe_header_ipv4; | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/net/devlink.h:1869:36: warning: unused variable 'devlink_dpipe_header_ethernet' [-Wunused-variable] 1869 | extern struct devlink_dpipe_header devlink_dpipe_header_ethernet; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/rdma/ib_verbs.h:141:21: warning: unused variable 'zgid' [-Wunused-variable] 141 | extern union ib_gid zgid; | ^~~~ include/rdma/ib_verbs.h:61:33: warning: unused variable 'ib_comp_unbound_wq' [-Wunused-variable] 61 | extern struct workqueue_struct *ib_comp_unbound_wq; | ^~~~~~~~~~~~~~~~~~ include/rdma/ib_verbs.h:60:33: warning: unused variable 'ib_comp_wq' [-Wunused-variable] 60 | extern struct workqueue_struct *ib_comp_wq; | ^~~~~~~~~~ include/rdma/ib_verbs.h:59:33: warning: unused variable 'ib_wq' [-Wunused-variable] 59 | extern struct workqueue_struct *ib_wq; | ^~~~~ include/net/ip.h:803:26: warning: unused variable 'ip4_min_ttl' [-Wunused-variable] 803 | DECLARE_STATIC_KEY_FALSE(ip4_min_ttl); | ^~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/ip.h:397:12: warning: unused variable 'inet_peer_maxttl' [-Wunused-variable] 397 | extern int inet_peer_maxttl; | ^~~~~~~~~~~~~~~~ include/net/ip.h:396:12: warning: unused variable 'inet_peer_minttl' [-Wunused-variable] 396 | extern int inet_peer_minttl; | ^~~~~~~~~~~~~~~~ include/net/ip.h:395:12: warning: unused variable 'inet_peer_threshold' [-Wunused-variable] 395 | extern int inet_peer_threshold; | ^~~~~~~~~~~~~~~~~~~ include/net/ip.h:43:21: warning: unused variable 'sysctl_fib_sync_mem_max' [-Wunused-variable] 43 | extern unsigned int sysctl_fib_sync_mem_max; | ^~~~~~~~~~~~~~~~~~~~~~~ include/net/ip.h:42:21: warning: unused variable 'sysctl_fib_sync_mem_min' [-Wunused-variable] 42 | extern unsigned int sysctl_fib_sync_mem_min; | ^~~~~~~~~~~~~~~~~~~~~~~ include/net/ip.h:41:21: warning: unused variable 'sysctl_fib_sync_mem' [-Wunused-variable] 41 | extern unsigned int sysctl_fib_sync_mem; | ^~~~~~~~~~~~~~~~~~~ include/net/lwtunnel.h:58:26: warning: unused variable 'nf_hooks_lwtunnel_enabled' [-Wunused-variable] 58 | DECLARE_STATIC_KEY_FALSE(nf_hooks_lwtunnel_enabled); | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/route.h:126:36: warning: unused variable 'ip_rt_acct' [-Wunused-variable] 126 | extern struct ip_rt_acct __percpu *ip_rt_acct; | ^~~~~~~~~~ include/net/ipv6_stubs.h:100:36: warning: unused variable 'ipv6_bpf_stub' [-Wunused-variable] 100 | extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly; | ^~~~~~~~~~~~~ include/net/ip_fib.h:447:32: warning: unused variable 'rtm_ipv4_policy' [-Wunused-variable] 447 | extern const struct nla_policy rtm_ipv4_policy[]; | ^~~~~~~~~~~~~~~ include/net/ipv6.h:1163:31: warning: unused variable 'inet6_sockraw_ops' [-Wunused-variable] 1163 | extern const struct proto_ops inet6_sockraw_ops; | ^~~~~~~~~~~~~~~~~ include/net/ipv6.h:1162:31: warning: unused variable 'inet6_dgram_ops' [-Wunused-variable] 1162 | extern const struct proto_ops inet6_dgram_ops; | ^~~~~~~~~~~~~~~ include/net/ipv6.h:1161:31: warning: unused variable 'inet6_stream_ops' [-Wunused-variable] 1161 | extern const struct proto_ops inet6_stream_ops; | ^~~~~~~~~~~~~~~~ include/net/ipv6.h:1113:26: warning: unused variable 'ip6_min_hopcount' [-Wunused-variable] 1113 | DECLARE_STATIC_KEY_FALSE(ip6_min_hopcount); | ^~~~~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/ipv6.h:284:17: warning: unused variable 'ip6_ra_lock' [-Wunused-variable] 284 | extern rwlock_t ip6_ra_lock; | ^~~~~~~~~~~ include/net/ipv6.h:283:34: warning: unused variable 'ip6_ra_chain' [-Wunused-variable] 283 | extern struct ip6_ra_chain *ip6_ra_chain; | ^~~~~~~~~~~~ include/net/ipv6.h:205:12: warning: unused variable 'sysctl_mld_qrv' [-Wunused-variable] 205 | extern int sysctl_mld_qrv; | ^~~~~~~~~~~~~~ include/net/ipv6.h:204:12: warning: unused variable 'sysctl_mld_max_msf' [-Wunused-variable] 204 | extern int sysctl_mld_max_msf; | ^~~~~~~~~~~~~~~~~~ include/linux/ipv6.h:102:27: warning: unused variable 'ipv6_defaults' [-Wunused-variable] 102 | extern struct ipv6_params ipv6_defaults; | ^~~~~~~~~~~~~ include/linux/pci.h:2486:11: warning: unused variable 'pci_cache_line_size' [-Wunused-variable] 2486 | extern u8 pci_cache_line_size; | ^~~~~~~~~~~~~~~~~~~ include/linux/pci.h:2485:11: warning: unused variable 'pci_dfl_cache_line_size' [-Wunused-variable] 2485 | extern u8 pci_dfl_cache_line_size; | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/pci.h:2476:12: warning: unused variable 'pci_pci_problems' [-Wunused-variable] 2476 | extern int pci_pci_problems; | ^~~~~~~~~~~~~~~~ >> arch/mips/include/asm/pci.h:104:22: warning: unused variable 'PCIBIOS_MIN_MEM' [-Wunused-variable] 104 | extern unsigned long PCIBIOS_MIN_MEM; | ^~~~~~~~~~~~~~~ >> arch/mips/include/asm/pci.h:103:22: warning: unused variable 'PCIBIOS_MIN_IO' [-Wunused-variable] 103 | extern unsigned long PCIBIOS_MIN_IO; | ^~~~~~~~~~~~~~ >> include/linux/of.h:144:28: warning: unused variable 'of_stdout' [-Wunused-variable] 144 | extern struct device_node *of_stdout; | ^~~~~~~~~ >> include/linux/of.h:143:28: warning: unused variable 'of_aliases' [-Wunused-variable] 143 | extern struct device_node *of_aliases; | ^~~~~~~~~~ >> include/linux/of.h:142:28: warning: unused variable 'of_chosen' [-Wunused-variable] 142 | extern struct device_node *of_chosen; | ^~~~~~~~~ include/linux/pci.h:2016:12: warning: unused variable 'pci_domains_supported' [-Wunused-variable] 2016 | extern int pci_domains_supported; | ^~~~~~~~~~~~~~~~~~~~~ include/linux/pci.h:1874:13: warning: unused variable 'pcie_ports_native' [-Wunused-variable] 1874 | extern bool pcie_ports_native; | ^~~~~~~~~~~~~~~~~ include/linux/pci.h:1873:13: warning: unused variable 'pcie_ports_disabled' [-Wunused-variable] 1873 | extern bool pcie_ports_disabled; | ^~~~~~~~~~~~~~~~~~~ include/linux/pci.h:1436:21: warning: unused variable 'pcibios_max_latency' [-Wunused-variable] 1436 | extern unsigned int pcibios_max_latency; | ^~~~~~~~~~~~~~~~~~~ include/linux/pci.h:1195:25: warning: unused variable 'pci_root_buses' [-Wunused-variable] 1195 | extern struct list_head pci_root_buses; /* List of all known PCI buses */ | ^~~~~~~~~~~~~~ include/linux/pci.h:1191:30: warning: unused variable 'pci_bus_type' [-Wunused-variable] 1191 | extern const struct bus_type pci_bus_type; | ^~~~~~~~~~~~ include/linux/pci.h:1189:35: warning: unused variable 'pcie_bus_config' [-Wunused-variable] 1189 | extern enum pcie_bus_config_types pcie_bus_config; | ^~~~~~~~~~~~~~~ include/linux/debugfs.h:46:23: warning: unused variable 'arch_debugfs_dir' [-Wunused-variable] 46 | extern struct dentry *arch_debugfs_dir; | ^~~~~~~~~~~~~~~~ include/net/sock.h:3054:26: warning: unused variable 'net_high_order_alloc_disable_key' [-Wunused-variable] 3054 | DECLARE_STATIC_KEY_FALSE(net_high_order_alloc_disable_key); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/sock.h:3051:14: warning: unused variable 'sysctl_rmem_default' [-Wunused-variable] 3051 | extern __u32 sysctl_rmem_default; | ^~~~~~~~~~~~~~~~~~~ include/net/sock.h:3050:14: warning: unused variable 'sysctl_wmem_default' [-Wunused-variable] 3050 | extern __u32 sysctl_wmem_default; | ^~~~~~~~~~~~~~~~~~~ include/net/sock.h:3048:14: warning: unused variable 'sysctl_rmem_max' [-Wunused-variable] 3048 | extern __u32 sysctl_rmem_max; | ^~~~~~~~~~~~~~~ include/net/sock.h:3047:14: warning: unused variable 'sysctl_wmem_max' [-Wunused-variable] 3047 | extern __u32 sysctl_wmem_max; | ^~~~~~~~~~~~~~~ include/net/neighbour.h:281:32: warning: unused variable 'nda_policy' [-Wunused-variable] 281 | extern const struct nla_policy nda_policy[]; | ^~~~~~~~~~ In file included from include/net/netfilter/nf_nat.h:7: include/linux/netfilter/nf_conntrack_pptp.h:320:45: warning: unused variable 'nf_nat_pptp_hook' [-Wunused-variable] 320 | extern const struct nf_nat_pptp_hook __rcu *nf_nat_pptp_hook; | ^~~~~~~~~~~~~~~~ include/net/act_api.h:273:26: warning: unused variable 'tcf_frag_xmit_count' [-Wunused-variable] 273 | DECLARE_STATIC_KEY_FALSE(tcf_frag_xmit_count); | ^~~~~~~~~~~~~~~~~~~ include/linux/jump_label.h:392:40: note: in definition of macro 'DECLARE_STATIC_KEY_FALSE' 392 | extern struct static_key_false name | ^~~~ include/net/pkt_sched.h:126:32: warning: unused variable 'rtm_tca_policy' [-Wunused-variable] 126 | extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1]; | ^~~~~~~~~~~~~~ include/net/pkt_sched.h:88:25: warning: unused variable 'pfifo_head_drop_qdisc_ops' [-Wunused-variable] 88 | extern struct Qdisc_ops pfifo_head_drop_qdisc_ops; | ^~~~~~~~~~~~~~~~~~~~~~~~~ include/net/pkt_sched.h:87:25: warning: unused variable 'bfifo_qdisc_ops' [-Wunused-variable] 87 | extern struct Qdisc_ops bfifo_qdisc_ops; | ^~~~~~~~~~~~~~~ include/net/pkt_sched.h:86:25: warning: unused variable 'pfifo_qdisc_ops' [-Wunused-variable] 86 | extern struct Qdisc_ops pfifo_qdisc_ops; | ^~~~~~~~~~~~~~~ include/linux/etherdevice.h:41:32: warning: unused variable 'eth_header_ops' [-Wunused-variable] 41 | extern const struct header_ops eth_header_ops; | ^~~~~~~~~~~~~~ include/net/sch_generic.h:617:25: warning: unused variable 'mq_qdisc_ops' [-Wunused-variable] 617 | extern struct Qdisc_ops mq_qdisc_ops; | ^~~~~~~~~~~~ include/net/sch_generic.h:616:17: warning: unused variable 'sch_default_prio2band' [-Wunused-variable] 616 | extern const u8 sch_default_prio2band[TC_PRIO_MAX + 1]; | ^~~~~~~~~~~~~~~~~~~~~ include/net/sch_generic.h:614:25: warning: unused variable 'noop_qdisc_ops' [-Wunused-variable] 614 | extern struct Qdisc_ops noop_qdisc_ops; | ^~~~~~~~~~~~~~ include/linux/rtnetlink.h:53:28: warning: unused variable 'net_rwsem' [-Wunused-variable] 53 | extern struct rw_semaphore net_rwsem; | ^~~~~~~~~ include/linux/rtnetlink.h:52:28: warning: unused variable 'pernet_ops_rwsem' [-Wunused-variable] 52 | extern struct rw_semaphore pernet_ops_rwsem; | ^~~~~~~~~~~~~~~~ include/linux/rtnetlink.h:51:17: warning: unused variable 'dev_unreg_count' [-Wunused-variable] 51 | extern atomic_t dev_unreg_count; | ^~~~~~~~~~~~~~~ include/linux/rtnetlink.h:50:26: warning: unused variable 'netdev_unregistering_wq' [-Wunused-variable] 50 | extern wait_queue_head_t netdev_unregistering_wq; | ^~~~~~~~~~~~~~~~~~~~~~~ include/net/netfilter/nf_conntrack_helper.h:164:21: warning: unused variable 'nf_ct_helper_hsize' [-Wunused-variable] 164 | extern unsigned int nf_ct_helper_hsize; | ^~~~~~~~~~~~~~~~~~ include/net/netfilter/nf_conntrack_helper.h:163:27: warning: unused variable 'nf_ct_helper_hash' [-Wunused-variable] 163 | extern struct hlist_head *nf_ct_helper_hash; | ^~~~~~~~~~~~~~~~~ drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c: At top level: vim +/_crash_smp_send_stop +47 arch/mips/include/asm/kexec.h 583bb86fbb9e852 include/asm-mips/kexec.h Nicolas Schichan 2006-10-18 33 8cd2accb71f5eb8 arch/mips/include/asm/kexec.h Baoquan He 2023-12-08 34 #ifdef CONFIG_KEXEC_CORE 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 35 struct kimage; 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @36 extern unsigned long kexec_args[4]; 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @37 extern int (*_machine_kexec_prepare)(struct kimage *); 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @38 extern void (*_machine_kexec_shutdown)(void); 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @39 extern void (*_machine_crash_shutdown)(struct pt_regs *regs); 62cac480f33f8f9 arch/mips/include/asm/kexec.h Dengcheng Zhu 2018-09-11 40 void default_machine_crash_shutdown(struct pt_regs *regs); 62cac480f33f8f9 arch/mips/include/asm/kexec.h Dengcheng Zhu 2018-09-11 41 void kexec_nonboot_cpu_jump(void); 62cac480f33f8f9 arch/mips/include/asm/kexec.h Dengcheng Zhu 2018-09-11 42 void kexec_reboot(void); 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 43 #ifdef CONFIG_SMP 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @44 extern const unsigned char kexec_smp_wait[]; 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @45 extern unsigned long secondary_kexec_args[4]; 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 @46 extern atomic_t kexec_ready_to_reboot; 54c721b857fd45f arch/mips/include/asm/kexec.h Hidehiro Kawai 2016-10-11 @47 extern void (*_crash_smp_send_stop)(void); 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 48 #endif 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 49 #endif 7aa1c8f47e7e792 arch/mips/include/asm/kexec.h Ralf Baechle 2012-10-11 50 :::::: The code at line 47 was first introduced by commit :::::: 54c721b857fd45f3ad3bda695ee4f472518db02a mips/panic: replace smp_send_stop() with kdump friendly version in panic path :::::: TO: Hidehiro Kawai :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki