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Thu, 09 Feb 2023 07:40:29 +0000 Date: Thu, 9 Feb 2023 15:40:10 +0800 From: kernel test robot To: Peter Zijlstra Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org Subject: drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202302091516.hPClaPyK-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0983f6bf2bfc0789b51ddf7315f644ff4da50acb commit: f3c0eba287049237b23d1300376768293eb89e69 perf: Add a few assertions date: 5 months ago config: loongarch-randconfig-s031-20230209 (https://download.01.org/0day-ci/archive/20230209/202302091516.hPClaPyK-lkp@intel.com/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3c0eba287049237b23d1300376768293eb89e69 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f3c0eba287049237b23d1300376768293eb89e69 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=loongarch SHELL=/bin/bash drivers/perf/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302091516.hPClaPyK-lkp@intel.com sparse warnings: (new ones prefixed by >>) >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got unsigned int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got unsigned int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got int [noderef] __percpu * >> drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *ptr @@ got int [noderef] __percpu * @@ drivers/perf/arm-ccn.c:835:9: sparse: expected void *ptr drivers/perf/arm-ccn.c:835:9: sparse: got int [noderef] __percpu * drivers/perf/arm-ccn.c: note: in included file (through arch/loongarch/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...): include/asm-generic/io.h:239:15: sparse: sparse: cast to restricted __le64 vim +835 drivers/perf/arm-ccn.c 8fb22264350d99 drivers/bus/arm-ccn.c Pawel Moll 2014-09-02 712 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 713 static int arm_ccn_pmu_event_init(struct perf_event *event) a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 714 { a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 715 struct arm_ccn *ccn; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 716 struct hw_perf_event *hw = &event->hw; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 717 u32 node_xp, type, event_id; 57006d3e6f62de drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 718 int valid; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 719 int i; 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 720 struct perf_event *sibling; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 721 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 722 if (event->attr.type != event->pmu->type) a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 723 return -ENOENT; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 724 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 725 ccn = pmu_to_arm_ccn(event->pmu); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 726 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 727 if (hw->sample_period) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 728 dev_dbg(ccn->dev, "Sampling not supported!\n"); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 729 return -EOPNOTSUPP; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 730 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 731 306563985819ed drivers/perf/arm-ccn.c Andrew Murray 2019-01-10 732 if (has_branch_stack(event)) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 733 dev_dbg(ccn->dev, "Can't exclude execution levels!\n"); 3249bce459ff0b drivers/bus/arm-ccn.c Pawel Moll 2016-08-11 734 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 735 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 736 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 737 if (event->cpu < 0) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 738 dev_dbg(ccn->dev, "Can't provide per-task data!\n"); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 739 return -EOPNOTSUPP; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 740 } ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 741 /* ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 742 * Many perf core operations (eg. events rotation) operate on a ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 743 * single CPU context. This is obvious for CPU PMUs, where one ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 744 * expects the same sets of events being observed on all CPUs, ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 745 * but can lead to issues for off-core PMUs, like CCN, where each ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 746 * event could be theoretically assigned to a different CPU. To ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 747 * mitigate this, we enforce CPU assignment to one, selected ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 748 * processor (the one described in the "cpumask" attribute). ffa415245b8666 drivers/bus/arm-ccn.c Pawel Moll 2015-04-16 749 */ 9bcb929f969e40 drivers/perf/arm-ccn.c Robin Murphy 2019-04-16 750 event->cpu = ccn->dt.cpu; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 751 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 752 node_xp = CCN_CONFIG_NODE(event->attr.config); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 753 type = CCN_CONFIG_TYPE(event->attr.config); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 754 event_id = CCN_CONFIG_EVENT(event->attr.config); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 755 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 756 /* Validate node/xp vs topology */ a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 757 switch (type) { 4e486cba285ff0 drivers/bus/arm-ccn.c Pawel Moll 2016-08-02 758 case CCN_TYPE_MN: 4e486cba285ff0 drivers/bus/arm-ccn.c Pawel Moll 2016-08-02 759 if (node_xp != ccn->mn_id) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 760 dev_dbg(ccn->dev, "Invalid MN ID %d!\n", node_xp); 4e486cba285ff0 drivers/bus/arm-ccn.c Pawel Moll 2016-08-02 761 return -EINVAL; 4e486cba285ff0 drivers/bus/arm-ccn.c Pawel Moll 2016-08-02 762 } 4e486cba285ff0 drivers/bus/arm-ccn.c Pawel Moll 2016-08-02 763 break; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 764 case CCN_TYPE_XP: a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 765 if (node_xp >= ccn->num_xps) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 766 dev_dbg(ccn->dev, "Invalid XP ID %d!\n", node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 767 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 768 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 769 break; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 770 case CCN_TYPE_CYCLES: a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 771 break; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 772 default: a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 773 if (node_xp >= ccn->num_nodes) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 774 dev_dbg(ccn->dev, "Invalid node ID %d!\n", node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 775 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 776 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 777 if (!arm_ccn_pmu_type_eq(type, ccn->node[node_xp].type)) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 778 dev_dbg(ccn->dev, "Invalid type 0x%x for node %d!\n", a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 779 type, node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 780 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 781 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 782 break; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 783 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 784 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 785 /* Validate event ID vs available for the type */ a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 786 for (i = 0, valid = 0; i < ARRAY_SIZE(arm_ccn_pmu_events) && !valid; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 787 i++) { a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 788 struct arm_ccn_pmu_event *e = &arm_ccn_pmu_events[i]; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 789 u32 port = CCN_CONFIG_PORT(event->attr.config); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 790 u32 vc = CCN_CONFIG_VC(event->attr.config); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 791 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 792 if (!arm_ccn_pmu_type_eq(type, e->type)) a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 793 continue; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 794 if (event_id != e->event) a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 795 continue; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 796 if (e->num_ports && port >= e->num_ports) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 797 dev_dbg(ccn->dev, "Invalid port %d for node/XP %d!\n", a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 798 port, node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 799 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 800 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 801 if (e->num_vcs && vc >= e->num_vcs) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 802 dev_dbg(ccn->dev, "Invalid vc %d for node/XP %d!\n", bf87bb12bd7062 drivers/bus/arm-ccn.c Pawel Moll 2014-08-18 803 vc, node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 804 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 805 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 806 valid = 1; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 807 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 808 if (!valid) { 1898eb61fbc970 drivers/perf/arm-ccn.c Mark Rutland 2018-05-21 809 dev_dbg(ccn->dev, "Invalid event 0x%x for node/XP %d!\n", a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 810 event_id, node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 811 return -EINVAL; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 812 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 813 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 814 /* Watchpoint-based event for a node is actually set on XP */ a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 815 if (event_id == CCN_EVENT_WATCHPOINT && type != CCN_TYPE_XP) { a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 816 u32 port; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 817 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 818 type = CCN_TYPE_XP; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 819 port = arm_ccn_node_to_xp_port(node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 820 node_xp = arm_ccn_node_to_xp(node_xp); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 821 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 822 arm_ccn_pmu_config_set(&event->attr.config, a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 823 node_xp, type, port); a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 824 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 825 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 826 /* 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 827 * We must NOT create groups containing mixed PMUs, although software 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 828 * events are acceptable (for example to create a CCN group 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 829 * periodically read when a hrtimer aka cpu-clock leader triggers). 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 830 */ 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 831 if (event->group_leader->pmu != event->pmu && 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 832 !is_software_event(event->group_leader)) 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 833 return -EINVAL; 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 834 edb39592a5877b drivers/bus/arm-ccn.c Peter Zijlstra 2018-03-15 @835 for_each_sibling_event(sibling, event->group_leader) { 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 836 if (sibling->pmu != event->pmu && 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 837 !is_software_event(sibling)) 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 838 return -EINVAL; edb39592a5877b drivers/bus/arm-ccn.c Peter Zijlstra 2018-03-15 839 } 9ce1aa869e69cf drivers/bus/arm-ccn.c Pawel Moll 2015-04-17 840 a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 841 return 0; a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 842 } a33b0daab73a0e drivers/bus/arm-ccn.c Pawel Moll 2014-07-22 843 :::::: The code at line 835 was first introduced by commit :::::: edb39592a5877bd91b2e6ee15194268f35b04892 perf: Fix sibling iteration :::::: TO: Peter Zijlstra :::::: CC: Thomas Gleixner -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests