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[openeuler:OLK-6.6 10656/15331] drivers/gpu/drm/amd/amdgpu/../display/dc/dml/calcs/dcn_calc_auto.c:121:6: warning: stack frame size (2568) exceeds limit (2048) in 'mode_support_and_system_configuration'
by kernel test robot 27 Oct '24

27 Oct '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9d0af12b79bee784902822ddeec2e1a8cfc18524 commit: 241ad43fe7e9c24d5ba4cdd1ec22e731cdd22d14 [10656/15331] Compiler: Add clang's PGO support for kernel. config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20241027/202410272347.buJeCUbv-lkp@…) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410272347.buJeCUbv-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410272347.buJeCUbv-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dml/calcs/dcn_calc_auto.c:26: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services.h:35: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dm_services_types.h:29: In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/os_types.h:31: In file included from include/linux/kgdb.h:19: In file included from include/linux/kprobes.h:28: In file included from include/linux/ftrace.h:13: In file included from include/linux/kallsyms.h:13: In file included from include/linux/mm.h:2235: include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 509 | item]; | ~~~~ include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 516 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ 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_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 528 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 537 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dml/calcs/dcn_calc_auto.c:121:6: warning: stack frame size (2568) exceeds limit (2048) in 'mode_support_and_system_configuration' [-Wframe-larger-than] 121 | void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v) | ^ 6 warnings generated. vim +/mode_support_and_system_configuration +121 drivers/gpu/drm/amd/amdgpu/../display/dc/dml/calcs/dcn_calc_auto.c 5634fb6078dd9b9 drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c Dmytro Laktyushkin 2017-06-15 120 74c49c7ac14f3a7 drivers/gpu/drm/amd/display/dc/calcs/dcn_calc_auto.c Harry Wentland 2017-05-08 @121 void mode_support_and_system_configuration(struct dcn_bw_internal_vars *v) :::::: The code at line 121 was first introduced by commit :::::: 74c49c7ac14f3a7cc500be959709f3473a6a49e7 drm/amdgpu/display: Add calcs code for DCN :::::: TO: Harry Wentland <harry.wentland(a)amd.com> :::::: CC: Alex Deucher <alexander.deucher(a)amd.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 2385/15331] kernel/cgroup/cgroup.c:3968:29: error: 'cgroup_psi_stat_show' undeclared here (not in a function); did you mean 'cgroup_stat_show'?
by kernel test robot 27 Oct '24

27 Oct '24

Hi Lu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9d0af12b79bee784902822ddeec2e1a8cfc18524 commit: 4a69b56540f40550585b9f93c35e415ac90bdecc [2385/15331] sched/psi: Introduce pressure.stat in psi config: arm64-randconfig-003-20241027 (https://download.01.org/0day-ci/archive/20241027/202410272152.5flmz7cD-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410272152.5flmz7cD-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410272152.5flmz7cD-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/cgroup/cgroup.c:3968:29: error: 'cgroup_psi_stat_show' undeclared here (not in a function); did you mean 'cgroup_stat_show'? 3968 | .seq_show = cgroup_psi_stat_show, | ^~~~~~~~~~~~~~~~~~~~ | cgroup_stat_show vim +3968 kernel/cgroup/cgroup.c 3929 3930 struct cftype cgroup_v1_psi_files[] = { 3931 { 3932 .name = "io.pressure", 3933 .flags = CFTYPE_NO_PREFIX, 3934 .seq_show = cgroup_io_pressure_show, 3935 .write = cgroup_io_pressure_write, 3936 .poll = cgroup_pressure_poll, 3937 .release = cgroup_pressure_release, 3938 }, 3939 { 3940 .name = "memory.pressure", 3941 .flags = CFTYPE_NO_PREFIX, 3942 .seq_show = cgroup_memory_pressure_show, 3943 .write = cgroup_memory_pressure_write, 3944 .poll = cgroup_pressure_poll, 3945 .release = cgroup_pressure_release, 3946 }, 3947 { 3948 .name = "cpu.pressure", 3949 .flags = CFTYPE_NO_PREFIX, 3950 .seq_show = cgroup_cpu_pressure_show, 3951 .write = cgroup_cpu_pressure_write, 3952 .poll = cgroup_pressure_poll, 3953 .release = cgroup_pressure_release, 3954 }, 3955 #ifdef CONFIG_IRQ_TIME_ACCOUNTING 3956 { 3957 .name = "irq.pressure", 3958 .flags = CFTYPE_NO_PREFIX, 3959 .seq_show = cgroup_irq_pressure_show, 3960 .write = cgroup_irq_pressure_write, 3961 .poll = cgroup_pressure_poll, 3962 .release = cgroup_pressure_release, 3963 }, 3964 #endif 3965 { 3966 .name = "pressure.stat", 3967 .flags = CFTYPE_NO_PREFIX, > 3968 .seq_show = cgroup_psi_stat_show, 3969 }, 3970 { } /* terminate */ 3971 }; 3972 #endif 3973 #else /* CONFIG_PSI */ 3974 bool cgroup_psi_enabled(void) 3975 { 3976 return false; 3977 } 3978 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 19380/30000] drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:11043:30: warning: unused variable 'ae_dev'
by kernel test robot 27 Oct '24

27 Oct '24

Hi Fengyan, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 412556141b3c12f2f160acc3a09a40c937837ee3 commit: 2922b0712475ada00f0a0b601497415c58f18a3f [19380/30000] UNIC: Support changing MTU size in UB mode config: arm64-defconfig (https://download.01.org/0day-ci/archive/20241027/202410271950.sb0LbrDb-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271950.sb0LbrDb-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271950.sb0LbrDb-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c: In function 'hclge_reset_event': drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:4343:46: warning: implicit conversion from 'enum hnae3_reset_type' to 'enum hnae3_event_type_custom' [-Wenum-conversion] 4343 | ret = hclge_ext_call_event(hdev, hdev->reset_level); | ~~~~^~~~~~~~~~~~~ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c: In function 'hclge_set_vport_mtu': >> drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:11043:30: warning: unused variable 'ae_dev' [-Wunused-variable] 11043 | struct hnae3_ae_dev *ae_dev = pci_get_drvdata(vport->nic.pdev); | ^~~~~~ drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c: In function 'hclge_get_strings': drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:577:50: warning: '%s' directive output may be truncated writing up to 4895 bytes into a region of size 32 [-Wformat-truncation=] 577 | snprintf(buff, ETH_GSTRING_LEN, "%s", strs[i].desc); | ^~ In function 'hclge_comm_get_strings', inlined from 'hclge_get_strings' at drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:689:7: drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c:577:17: note: 'snprintf' output between 1 and 4896 bytes into a destination of size 32 577 | snprintf(buff, ETH_GSTRING_LEN, "%s", strs[i].desc); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/ae_dev +11043 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c 11040 11041 int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu) 11042 { 11043 struct hnae3_ae_dev *ae_dev = pci_get_drvdata(vport->nic.pdev); 11044 int l2_hlen = ETH_HLEN + ETH_FCS_LEN + 2 * VLAN_HLEN; 11045 int default_size = HCLGE_MAC_DEFAULT_FRAME; 11046 int min_frm_size = HCLGE_MAC_MIN_FRAME; 11047 struct hclge_dev *hdev = vport->back; 11048 int i, max_frm_size, ret; 11049 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 15074/30000] kernel/sched/topology.c:1618:9: error: implicit declaration of function 'register_sysctl_init'; did you mean 'register_sysctl'?
by kernel test robot 27 Oct '24

27 Oct '24

Hi Tim, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 412556141b3c12f2f160acc3a09a40c937837ee3 commit: 8ce3e706b31409147f035c037055caa68e450ce5 [15074/30000] scheduler: Add runtime knob sysctl_sched_cluster config: arm64-randconfig-001-20241026 (https://download.01.org/0day-ci/archive/20241027/202410271829.BwTi43vD-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271829.BwTi43vD-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271829.BwTi43vD-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sched/topology.c: In function 'sched_cluster_sysctl_init': >> kernel/sched/topology.c:1618:9: error: implicit declaration of function 'register_sysctl_init'; did you mean 'register_sysctl'? [-Werror=implicit-function-declaration] 1618 | register_sysctl_init("kernel", sched_cluster_sysctls); | ^~~~~~~~~~~~~~~~~~~~ | register_sysctl cc1: some warnings being treated as errors vim +1618 kernel/sched/topology.c 1615 1616 static int __init sched_cluster_sysctl_init(void) 1617 { > 1618 register_sysctl_init("kernel", sched_cluster_sysctls); 1619 return 0; 1620 } 1621 late_initcall(sched_cluster_sysctl_init); 1622 #endif 1623 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 15026/23866] arch/arm64/mm/init.c:790:17: error: 'pmu_nmi_enable' undeclared; did you mean 'perf_pmu_enable'?
by kernel test robot 27 Oct '24

27 Oct '24

Hi Xu, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 22c50245e8025b0c6beee13d0df238987b98e6f8 commit: 0c40cea7cfc2d1d9762e6fbbb531a43e6dac95ca [15026/23866] NMI: Enable arm-pmu interrupt as NMI in Acensed. config: arm64-randconfig-003-20241027 (https://download.01.org/0day-ci/archive/20241027/202410271711.fq8r9NpJ-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271711.fq8r9NpJ-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271711.fq8r9NpJ-lkp@intel.com/ All errors (new ones prefixed by >>): arch/arm64/mm/init.c:469:13: warning: no previous prototype for 'arm64_memblock_init' [-Wmissing-prototypes] 469 | void __init arm64_memblock_init(void) | ^~~~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c: In function 'ascend_enable_all_features': arch/arm64/mm/init.c:787:17: error: 'mem_sleep_current' undeclared (first use in this function) 787 | mem_sleep_current = PM_SUSPEND_ON; | ^~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c:787:17: note: each undeclared identifier is reported only once for each function it appears in >> arch/arm64/mm/init.c:790:17: error: 'pmu_nmi_enable' undeclared (first use in this function); did you mean 'perf_pmu_enable'? 790 | pmu_nmi_enable = true; | ^~~~~~~~~~~~~~ | perf_pmu_enable vim +790 arch/arm64/mm/init.c 774 775 void ascend_enable_all_features(void) 776 { 777 if (IS_ENABLED(CONFIG_ASCEND_DVPP_MMAP)) 778 enable_mmap_dvpp = 1; 779 780 if (IS_ENABLED(CONFIG_ASCEND_IOPF_HIPRI)) 781 enable_iopf_hipri = 1; 782 783 if (IS_ENABLED(CONFIG_ASCEND_CHARGE_MIGRATE_HUGEPAGES)) 784 enable_charge_mighp = 1; 785 786 if (IS_ENABLED(CONFIG_SUSPEND)) 787 mem_sleep_current = PM_SUSPEND_ON; 788 789 if (IS_ENABLED(CONFIG_PMU_WATCHDOG)) > 790 pmu_nmi_enable = true; 791 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 19377/30000] drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c:2104:33: warning: 'hns3_unic_ethtool_ops' defined but not used
by kernel test robot 27 Oct '24

27 Oct '24

Hi Fengyan, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 412556141b3c12f2f160acc3a09a40c937837ee3 commit: 737ec46e963210dc3b856637e871fa5b0c91316e [19377/30000] UNIC: Adds the process of UNIC driver initializing config: arm64-defconfig (https://download.01.org/0day-ci/archive/20241027/202410271746.Yz3z91T2-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271746.Yz3z91T2-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271746.Yz3z91T2-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c:2104:33: warning: 'hns3_unic_ethtool_ops' defined but not used [-Wunused-const-variable=] 2104 | static const struct ethtool_ops hns3_unic_ethtool_ops = { | ^~~~~~~~~~~~~~~~~~~~~ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c: In function 'hns3_get_strings': drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c:588:58: warning: '%s' directive output may be truncated writing up to 119 bytes into a region of size 32 [-Wformat-truncation=] 588 | snprintf(buff, ETH_GSTRING_LEN, "%s", | ^~ drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c:588:25: note: 'snprintf' output between 1 and 120 bytes into a destination of size 32 588 | snprintf(buff, ETH_GSTRING_LEN, "%s", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 589 | hns3_priv_flags[i].name); | ~~~~~~~~~~~~~~~~~~~~~~~~ vim +/hns3_unic_ethtool_ops +2104 drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c 2103 > 2104 static const struct ethtool_ops hns3_unic_ethtool_ops = { 2105 .supported_coalesce_params = HNS3_ETHTOOL_COALESCE, 2106 .supported_ring_params = HNS3_ETHTOOL_RING, 2107 .self_test = hns3_self_test, 2108 .get_drvinfo = hns3_get_drvinfo, 2109 .get_link = hns3_get_link, 2110 .get_ringparam = hns3_get_ringparam, 2111 .set_ringparam = hns3_set_ringparam, 2112 .get_strings = hns3_get_strings, 2113 .get_ethtool_stats = hns3_get_stats, 2114 .get_sset_count = hns3_get_sset_count, 2115 .get_channels = hns3_get_channels, 2116 .set_channels = hns3_set_channels, 2117 .get_rxnfc = hns3_get_rxnfc, 2118 .set_rxnfc = hns3_set_rxnfc, 2119 .get_rxfh_key_size = hns3_get_rss_key_size, 2120 .get_rxfh_indir_size = hns3_get_rss_indir_size, 2121 .get_rxfh = hns3_get_rss, 2122 .set_rxfh = hns3_set_rss, 2123 .get_link_ksettings = hns3_get_link_ksettings, 2124 .set_link_ksettings = hns3_set_link_ksettings, 2125 .nway_reset = hns3_nway_reset, 2126 .get_coalesce = hns3_get_coalesce, 2127 .set_coalesce = hns3_set_coalesce, 2128 .get_regs_len = hns3_get_regs_len, 2129 .get_regs = hns3_get_regs, 2130 .set_phys_id = hns3_set_phys_id, 2131 .get_msglevel = hns3_get_msglevel, 2132 .set_msglevel = hns3_set_msglevel, 2133 .get_fecparam = hns3_get_fecparam, 2134 .set_fecparam = hns3_set_fecparam, 2135 .get_module_info = hns3_get_module_info, 2136 .get_module_eeprom = hns3_get_module_eeprom, 2137 .get_priv_flags = hns3_get_priv_flags, 2138 .set_priv_flags = hns3_set_priv_flags, 2139 .get_ts_info = hns3_get_ts_info, 2140 .get_tunable = hns3_get_tunable, 2141 .set_tunable = hns3_set_tunable, 2142 .reset = hns3_set_reset, 2143 .get_link_ext_state = hns3_get_link_ext_state, 2144 }; 2145 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 15679/30000] drivers/crypto/hisilicon/qm.c:2755:9: warning: 'strncpy' specified bound depends on the length of the source argument
by kernel test robot 27 Oct '24

27 Oct '24

Hi Weili, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 412556141b3c12f2f160acc3a09a40c937837ee3 commit: a1666f44c2250f7413e73e2f4c02cb2c01f9e3b0 [15679/30000] crypto: hisilicon/qm - support no-sva feature config: arm64-defconfig (https://download.01.org/0day-ci/archive/20241027/202410271351.DRedn4gy-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271351.DRedn4gy-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271351.DRedn4gy-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/crypto/hisilicon/qm.c: In function 'qm_alloc_uacce': >> drivers/crypto/hisilicon/qm.c:2755:9: warning: 'strncpy' specified bound depends on the length of the source argument [-Wstringop-truncation] 2755 | strncpy(interface.name, pdev->driver->name, name_len); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/crypto/hisilicon/qm.c:2748:20: note: length computed here 2748 | name_len = strlen(pdev->driver->name); | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/strncpy +2755 drivers/crypto/hisilicon/qm.c 2737 2738 static int qm_alloc_uacce(struct hisi_qm *qm) 2739 { 2740 struct pci_dev *pdev = qm->pdev; 2741 struct uacce_interface interface; 2742 struct uacce_device *uacce; 2743 int name_len; 2744 2745 if (!qm->use_uacce) 2746 return 0; 2747 2748 name_len = strlen(pdev->driver->name); 2749 if (name_len >= UACCE_MAX_NAME_SIZE) { 2750 pci_err(pdev, "The driver name(%d) is longer than %d!\n", 2751 name_len, UACCE_MAX_NAME_SIZE); 2752 return -EINVAL; 2753 } 2754 > 2755 strncpy(interface.name, pdev->driver->name, name_len); 2756 interface.name[name_len] = '\0'; 2757 2758 interface.flags = qm->use_iommu ? UACCE_DEV_IOMMU : UACCE_DEV_NOIOMMU; 2759 if (qm->mode == UACCE_MODE_SVA) { 2760 if (!qm->use_iommu) { 2761 pci_err(pdev, "iommu not support sva!\n"); 2762 return -EINVAL; 2763 } 2764 2765 interface.flags |= UACCE_DEV_SVA; 2766 } 2767 2768 interface.ops = &uacce_qm_ops; 2769 uacce = uacce_alloc(&pdev->dev, &interface); 2770 if (IS_ERR(uacce)) { 2771 pci_err(pdev, "fail to alloc uacce device\n!"); 2772 return PTR_ERR(uacce); 2773 } 2774 qm->uacce = uacce; 2775 2776 qm_uacce_base_init(qm); 2777 qm->uacce = uacce; 2778 INIT_LIST_HEAD(&qm->isolate_data.qm_hw_errs); 2779 mutex_init(&qm->isolate_data.isolate_lock); 2780 2781 return 0; 2782 } 2783 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 20138/23866] include/linux/uaccess.h:112:17: warning: 'cap' may be used uninitialized
by kernel test robot 27 Oct '24

27 Oct '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 22c50245e8025b0c6beee13d0df238987b98e6f8 commit: 5694b2e450d4ad76c3314ad8ac73025bc616930e [20138/23866] kvm: make KVM_CAP_ENABLE_CAP_VM architecture agnostic config: arm64-randconfig-004-20241026 (https://download.01.org/0day-ci/archive/20241027/202410271304.Dk0G18Dx-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271304.Dk0G18Dx-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271304.Dk0G18Dx-lkp@intel.com/ Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'kvm_dying_cpu' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3447:2: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'raw_spinlock_t[1]' {aka 'struct raw_spinlock[1]'} [-Warray-bounds=] 492 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_lse.h:515:1: note: in expansion of macro '__CMPXCHG_CASE' 515 | __CMPXCHG_CASE(w, , acq_4, a, "memory") | ^~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_dying_cpu': arch/arm64/kvm/../../../virt/kvm/kvm_main.c:97:28: note: object 'kvm_count_lock' of size 4 97 | static DEFINE_RAW_SPINLOCK(kvm_count_lock); | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:59:48: note: in definition of macro 'DEFINE_RAW_SPINLOCK' 59 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'hardware_disable_all' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3465:2: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'raw_spinlock_t[1]' {aka 'struct raw_spinlock[1]'} [-Warray-bounds=] 492 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_lse.h:515:1: note: in expansion of macro '__CMPXCHG_CASE' 515 | __CMPXCHG_CASE(w, , acq_4, a, "memory") | ^~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c: In function 'hardware_disable_all': arch/arm64/kvm/../../../virt/kvm/kvm_main.c:97:28: note: object 'kvm_count_lock' of size 4 97 | static DEFINE_RAW_SPINLOCK(kvm_count_lock); | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:59:48: note: in definition of macro 'DEFINE_RAW_SPINLOCK' 59 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'hardware_disable_all' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3465:2: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'raw_spinlock_t[1]' {aka 'struct raw_spinlock[1]'} [-Warray-bounds=] 492 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_lse.h:515:1: note: in expansion of macro '__CMPXCHG_CASE' 515 | __CMPXCHG_CASE(w, , acq_4, a, "memory") | ^~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c: In function 'hardware_disable_all': arch/arm64/kvm/../../../virt/kvm/kvm_main.c:97:28: note: object 'kvm_count_lock' of size 4 97 | static DEFINE_RAW_SPINLOCK(kvm_count_lock); | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:59:48: note: in definition of macro 'DEFINE_RAW_SPINLOCK' 59 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'hardware_enable_all' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3474:2, inlined from 'kvm_create_vm' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:688:6: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'raw_spinlock_t[1]' {aka 'struct raw_spinlock[1]'} [-Warray-bounds=] 492 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_lse.h:515:1: note: in expansion of macro '__CMPXCHG_CASE' 515 | __CMPXCHG_CASE(w, , acq_4, a, "memory") | ^~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm': arch/arm64/kvm/../../../virt/kvm/kvm_main.c:97:28: note: object 'kvm_count_lock' of size 4 97 | static DEFINE_RAW_SPINLOCK(kvm_count_lock); | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:59:48: note: in definition of macro 'DEFINE_RAW_SPINLOCK' 59 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) | ^ In function '__cmpxchg_case_acq_4', inlined from '__cmpxchg_acq' at arch/arm64/include/asm/cmpxchg.h:141:1, inlined from 'queued_spin_lock' at include/asm-generic/qspinlock.h:85:8, inlined from 'do_raw_spin_lock' at include/linux/spinlock.h:180:2, inlined from '__raw_spin_lock' at include/linux/spinlock_api_smp.h:143:2, inlined from 'hardware_enable_all' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3474:2, inlined from 'kvm_create_vm' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:688:6: arch/arm64/include/asm/atomic_lse.h:492:9: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'raw_spinlock_t[1]' {aka 'struct raw_spinlock[1]'} [-Warray-bounds=] 492 | asm volatile( \ | ^~~ arch/arm64/include/asm/atomic_lse.h:515:1: note: in expansion of macro '__CMPXCHG_CASE' 515 | __CMPXCHG_CASE(w, , acq_4, a, "memory") | ^~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c: In function 'kvm_create_vm': arch/arm64/kvm/../../../virt/kvm/kvm_main.c:97:28: note: object 'kvm_count_lock' of size 4 97 | static DEFINE_RAW_SPINLOCK(kvm_count_lock); | ^~~~~~~~~~~~~~ include/linux/spinlock_types.h:59:48: note: in definition of macro 'DEFINE_RAW_SPINLOCK' 59 | #define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) | ^ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3097:7: >> include/linux/uaccess.h:112:17: warning: 'cap' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3094:39: note: 'cap' declared here 3094 | struct kvm_enable_cap cap; | ^~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3106:7: include/linux/uaccess.h:112:17: warning: 'kvm_userspace_mem' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3103:52: note: 'kvm_userspace_mem' declared here 3103 | struct kvm_userspace_memory_region kvm_userspace_mem; | ^~~~~~~~~~~~~~~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3117:7: include/linux/uaccess.h:112:17: warning: 'log' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3114:38: note: 'log' declared here 3114 | struct kvm_dirty_log log; | ^~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3127:7: include/linux/uaccess.h:112:17: warning: 'zone' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3124:48: note: 'zone' declared here 3124 | struct kvm_coalesced_mmio_zone zone; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3136:7: include/linux/uaccess.h:112:17: warning: 'zone' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3133:48: note: 'zone' declared here 3133 | struct kvm_coalesced_mmio_zone zone; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3146:7: include/linux/uaccess.h:112:17: warning: 'data' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3143:34: note: 'data' declared here 3143 | struct kvm_irqfd data; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3155:7: include/linux/uaccess.h:112:17: warning: 'data' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3152:38: note: 'data' declared here 3152 | struct kvm_ioeventfd data; | ^~~~ In function '_copy_from_user', inlined from 'copy_from_user' at include/linux/uaccess.h:144:7, inlined from 'kvm_vm_ioctl' at arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3165:7: include/linux/uaccess.h:112:17: warning: 'msi' may be used uninitialized [-Wmaybe-uninitialized] 112 | kasan_check_write(to, n); | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/kasan-checks.h: In function 'kvm_vm_ioctl': include/linux/kasan-checks.h:7:6: note: by argument 1 of type 'const volatile void *' to 'kasan_check_write' declared here 7 | void kasan_check_write(const volatile void *p, unsigned int size); | ^~~~~~~~~~~~~~~~~ arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3162:32: note: 'msi' declared here 3162 | struct kvm_msi msi; | ^~~ vim +/cap +112 include/linux/uaccess.h d597580d373774 Al Viro 2017-03-20 104 d597580d373774 Al Viro 2017-03-20 105 #ifdef INLINE_COPY_FROM_USER d597580d373774 Al Viro 2017-03-20 106 static inline unsigned long d597580d373774 Al Viro 2017-03-20 107 _copy_from_user(void *to, const void __user *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 108 { d597580d373774 Al Viro 2017-03-20 109 unsigned long res = n; 9c5f6908de03a4 Al Viro 2017-06-29 110 might_fault(); 4983cb67a383a7 Linus Torvalds 2019-02-14 111 if (likely(access_ok(from, n))) { 9c5f6908de03a4 Al Viro 2017-06-29 @112 kasan_check_write(to, n); d597580d373774 Al Viro 2017-03-20 113 res = raw_copy_from_user(to, from, n); 9c5f6908de03a4 Al Viro 2017-06-29 114 } d597580d373774 Al Viro 2017-03-20 115 if (unlikely(res)) d597580d373774 Al Viro 2017-03-20 116 memset(to + (n - res), 0, res); d597580d373774 Al Viro 2017-03-20 117 return res; d597580d373774 Al Viro 2017-03-20 118 } d597580d373774 Al Viro 2017-03-20 119 #else d597580d373774 Al Viro 2017-03-20 120 extern unsigned long d597580d373774 Al Viro 2017-03-20 121 _copy_from_user(void *, const void __user *, unsigned long); d597580d373774 Al Viro 2017-03-20 122 #endif d597580d373774 Al Viro 2017-03-20 123 d597580d373774 Al Viro 2017-03-20 124 #ifdef INLINE_COPY_TO_USER d597580d373774 Al Viro 2017-03-20 125 static inline unsigned long d597580d373774 Al Viro 2017-03-20 126 _copy_to_user(void __user *to, const void *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 127 { 9c5f6908de03a4 Al Viro 2017-06-29 128 might_fault(); 4983cb67a383a7 Linus Torvalds 2019-02-14 129 if (access_ok(to, n)) { 9c5f6908de03a4 Al Viro 2017-06-29 130 kasan_check_read(from, n); d597580d373774 Al Viro 2017-03-20 131 n = raw_copy_to_user(to, from, n); 9c5f6908de03a4 Al Viro 2017-06-29 132 } d597580d373774 Al Viro 2017-03-20 133 return n; d597580d373774 Al Viro 2017-03-20 134 } d597580d373774 Al Viro 2017-03-20 135 #else d597580d373774 Al Viro 2017-03-20 136 extern unsigned long d597580d373774 Al Viro 2017-03-20 137 _copy_to_user(void __user *, const void *, unsigned long); d597580d373774 Al Viro 2017-03-20 138 #endif d597580d373774 Al Viro 2017-03-20 139 d597580d373774 Al Viro 2017-03-20 140 static __always_inline unsigned long __must_check d597580d373774 Al Viro 2017-03-20 141 copy_from_user(void *to, const void __user *from, unsigned long n) d597580d373774 Al Viro 2017-03-20 142 { b0377fedb65280 Al Viro 2017-06-29 143 if (likely(check_copy_size(to, n, false))) d597580d373774 Al Viro 2017-03-20 @144 n = _copy_from_user(to, from, n); d597580d373774 Al Viro 2017-03-20 145 return n; d597580d373774 Al Viro 2017-03-20 146 } d597580d373774 Al Viro 2017-03-20 147 :::::: The code at line 112 was first introduced by commit :::::: 9c5f6908de03a4f52ba7364b11fcd6116225480c copy_{from,to}_user(): move kasan checks and might_fault() out-of-line :::::: TO: Al Viro <viro(a)zeniv.linux.org.uk> :::::: CC: Al Viro <viro(a)zeniv.linux.org.uk> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 21351/23866] drivers/mailbox/phytium_mailbox.c:116:36: warning: 'phytium_mbox_acpi_match' defined but not used
by kernel test robot 27 Oct '24

27 Oct '24

Hi Chen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 22c50245e8025b0c6beee13d0df238987b98e6f8 commit: 1ae9436b02e93f1f2b9cfc10226812197fbfcd04 [21351/23866] mailbox: add phytium mailbox driver config: arm64-randconfig-001-20241027 (https://download.01.org/0day-ci/archive/20241027/202410271354.1mcAMLbG-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271354.1mcAMLbG-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271354.1mcAMLbG-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/mailbox/phytium_mailbox.c:116:36: warning: 'phytium_mbox_acpi_match' defined but not used [-Wunused-const-variable=] 116 | static const struct acpi_device_id phytium_mbox_acpi_match[] = { | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/phytium_mbox_acpi_match +116 drivers/mailbox/phytium_mailbox.c 115 > 116 static const struct acpi_device_id phytium_mbox_acpi_match[] = { 117 { "PHYT0009", 0 }, 118 { }, 119 }; 120 MODULE_DEVICE_TABLE(acpi, phytium_mbox_acpi_match); 121 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 13447/15331] include/linux/psp-hygon.h:219:5: warning: no previous prototype for function 'psp_register_cmd_notifier'
by kernel test robot 27 Oct '24

27 Oct '24

Hi niuyongwen, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 9d0af12b79bee784902822ddeec2e1a8cfc18524 commit: 518c81d56c055affc71650b1ad1ba7f86e5ee867 [13447/15331] arch/x86/kvm: Support tkm virtualization config: x86_64-randconfig-006-20241027 (https://download.01.org/0day-ci/archive/20241027/202410271346.39dehlHW-lkp@…) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271346.39dehlHW-lkp@…) 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(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410271346.39dehlHW-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/x86/kvm/psp.c:12: In file included from include/linux/kvm_host.h:16: In file included from include/linux/mm.h:2242: 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 arch/x86/kvm/psp.c:15: >> include/linux/psp-hygon.h:219:5: warning: no previous prototype for function 'psp_register_cmd_notifier' [-Wmissing-prototypes] 219 | int psp_register_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^ include/linux/psp-hygon.h:219:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 219 | int psp_register_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^ | static >> include/linux/psp-hygon.h:220:5: warning: no previous prototype for function 'psp_unregister_cmd_notifier' [-Wmissing-prototypes] 220 | int psp_unregister_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^ include/linux/psp-hygon.h:220:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 220 | int psp_unregister_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } | ^ | static arch/x86/kvm/psp.c:105:21: warning: no previous prototype for function 'map_tbl_dump' [-Wmissing-prototypes] 105 | void __maybe_unused map_tbl_dump(const char *title, struct addr_map_tbls *tbls) | ^ arch/x86/kvm/psp.c:105:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 105 | void __maybe_unused map_tbl_dump(const char *title, struct addr_map_tbls *tbls) | ^ | static arch/x86/kvm/psp.c:118:21: warning: no previous prototype for function 'g2h_tbl_dump' [-Wmissing-prototypes] 118 | void __maybe_unused g2h_tbl_dump(const char *title, struct gpa2hva_tbls *tbls) | ^ arch/x86/kvm/psp.c:118:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 118 | void __maybe_unused g2h_tbl_dump(const char *title, struct gpa2hva_tbls *tbls) | ^ | static 5 warnings generated. vim +/psp_register_cmd_notifier +219 include/linux/psp-hygon.h d0b3a770d8e20d chench00 2024-08-01 218 d0b3a770d8e20d chench00 2024-08-01 @219 int psp_register_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } d0b3a770d8e20d chench00 2024-08-01 @220 int psp_unregister_cmd_notifier(uint32_t cmd_id, p2c_notifier_t notifier) { return -ENODEV; } d0b3a770d8e20d chench00 2024-08-01 221 :::::: The code at line 219 was first introduced by commit :::::: d0b3a770d8e20d953fe2a74ea8c4b5f4767c4add crypto: command co-processor: Add another mailbox interrupt support for PSP sending command to X86 :::::: TO: chench00 <chench(a)hygon.cn> :::::: CC: chench00 <chench(a)hygon.cn> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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