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Date: Thu, 9 Feb 2023 15:40:10 +0800
From: kernel test robot <lkp@...el.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: drivers/perf/arm-ccn.c:835:9: sparse: sparse: incorrect type in
argument 1 (different address spaces)
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 <lkp@...el.com>
| 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 <peterz@...radead.org>
:::::: CC: Thomas Gleixner <tglx@...utronix.de>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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