From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Julia Lawall <julia.lawall@inria.fr>
Subject: drivers/accel/amdxdna/aie2_ctx.c:783:11-15: ERROR: invalid reference to the index variable of the iterator on line 771
Date: Tue, 06 Jan 2026 12:13:00 +0800 [thread overview]
Message-ID: <202601061241.AVIVEWiP-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Lizhi Hou <lizhi.hou@amd.com>
CC: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7f98ab9da046865d57c102fd3ca9669a29845f67
commit: e486147c912f653ef4b60a6c7dbd4168a4c56a9f accel/amdxdna: Add BO import and export
date: 9 months ago
:::::: branch date: 6 hours ago
:::::: commit date: 9 months ago
config: x86_64-randconfig-104-20260106 (https://download.01.org/0day-ci/archive/20260106/202601061241.AVIVEWiP-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
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@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202601061241.AVIVEWiP-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> drivers/accel/amdxdna/aie2_ctx.c:783:11-15: ERROR: invalid reference to the index variable of the iterator on line 771
vim +783 drivers/accel/amdxdna/aie2_ctx.c
aac243092b707bb Lizhi Hou 2024-11-18 757
aac243092b707bb Lizhi Hou 2024-11-18 758 static int aie2_populate_range(struct amdxdna_gem_obj *abo)
aac243092b707bb Lizhi Hou 2024-11-18 759 {
aac243092b707bb Lizhi Hou 2024-11-18 760 struct amdxdna_dev *xdna = to_xdna_dev(to_gobj(abo)->dev);
e486147c912f653 Lizhi Hou 2025-03-25 761 struct amdxdna_umap *mapp;
aac243092b707bb Lizhi Hou 2024-11-18 762 unsigned long timeout;
e486147c912f653 Lizhi Hou 2025-03-25 763 struct mm_struct *mm;
e486147c912f653 Lizhi Hou 2025-03-25 764 bool found;
aac243092b707bb Lizhi Hou 2024-11-18 765 int ret;
aac243092b707bb Lizhi Hou 2024-11-18 766
e486147c912f653 Lizhi Hou 2025-03-25 767 timeout = jiffies + msecs_to_jiffies(HMM_RANGE_DEFAULT_TIMEOUT);
e486147c912f653 Lizhi Hou 2025-03-25 768 again:
e486147c912f653 Lizhi Hou 2025-03-25 769 found = false;
e486147c912f653 Lizhi Hou 2025-03-25 770 down_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 @771 list_for_each_entry(mapp, &abo->mem.umap_list, node) {
e486147c912f653 Lizhi Hou 2025-03-25 772 if (mapp->invalid) {
e486147c912f653 Lizhi Hou 2025-03-25 773 found = true;
e486147c912f653 Lizhi Hou 2025-03-25 774 break;
e486147c912f653 Lizhi Hou 2025-03-25 775 }
e486147c912f653 Lizhi Hou 2025-03-25 776 }
aac243092b707bb Lizhi Hou 2024-11-18 777
e486147c912f653 Lizhi Hou 2025-03-25 778 if (!found) {
e486147c912f653 Lizhi Hou 2025-03-25 779 abo->mem.map_invalid = false;
e486147c912f653 Lizhi Hou 2025-03-25 780 up_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 781 return 0;
e486147c912f653 Lizhi Hou 2025-03-25 782 }
e486147c912f653 Lizhi Hou 2025-03-25 @783 kref_get(&mapp->refcnt);
e486147c912f653 Lizhi Hou 2025-03-25 784 up_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 785
e486147c912f653 Lizhi Hou 2025-03-25 786 XDNA_DBG(xdna, "populate memory range %lx %lx",
e486147c912f653 Lizhi Hou 2025-03-25 787 mapp->vma->vm_start, mapp->vma->vm_end);
e486147c912f653 Lizhi Hou 2025-03-25 788 mm = mapp->notifier.mm;
e486147c912f653 Lizhi Hou 2025-03-25 789 if (!mmget_not_zero(mm)) {
e486147c912f653 Lizhi Hou 2025-03-25 790 amdxdna_umap_put(mapp);
aac243092b707bb Lizhi Hou 2024-11-18 791 return -EFAULT;
e486147c912f653 Lizhi Hou 2025-03-25 792 }
aac243092b707bb Lizhi Hou 2024-11-18 793
e486147c912f653 Lizhi Hou 2025-03-25 794 mapp->range.notifier_seq = mmu_interval_read_begin(&mapp->notifier);
aac243092b707bb Lizhi Hou 2024-11-18 795 mmap_read_lock(mm);
e486147c912f653 Lizhi Hou 2025-03-25 796 ret = hmm_range_fault(&mapp->range);
aac243092b707bb Lizhi Hou 2024-11-18 797 mmap_read_unlock(mm);
aac243092b707bb Lizhi Hou 2024-11-18 798 if (ret) {
aac243092b707bb Lizhi Hou 2024-11-18 799 if (time_after(jiffies, timeout)) {
aac243092b707bb Lizhi Hou 2024-11-18 800 ret = -ETIME;
aac243092b707bb Lizhi Hou 2024-11-18 801 goto put_mm;
aac243092b707bb Lizhi Hou 2024-11-18 802 }
aac243092b707bb Lizhi Hou 2024-11-18 803
e486147c912f653 Lizhi Hou 2025-03-25 804 if (ret == -EBUSY) {
e486147c912f653 Lizhi Hou 2025-03-25 805 amdxdna_umap_put(mapp);
aac243092b707bb Lizhi Hou 2024-11-18 806 goto again;
e486147c912f653 Lizhi Hou 2025-03-25 807 }
aac243092b707bb Lizhi Hou 2024-11-18 808
aac243092b707bb Lizhi Hou 2024-11-18 809 goto put_mm;
aac243092b707bb Lizhi Hou 2024-11-18 810 }
aac243092b707bb Lizhi Hou 2024-11-18 811
e486147c912f653 Lizhi Hou 2025-03-25 812 down_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 813 if (mmu_interval_read_retry(&mapp->notifier, mapp->range.notifier_seq)) {
e486147c912f653 Lizhi Hou 2025-03-25 814 up_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 815 amdxdna_umap_put(mapp);
aac243092b707bb Lizhi Hou 2024-11-18 816 goto again;
aac243092b707bb Lizhi Hou 2024-11-18 817 }
e486147c912f653 Lizhi Hou 2025-03-25 818 mapp->invalid = false;
e486147c912f653 Lizhi Hou 2025-03-25 819 up_write(&xdna->notifier_lock);
e486147c912f653 Lizhi Hou 2025-03-25 820 amdxdna_umap_put(mapp);
e486147c912f653 Lizhi Hou 2025-03-25 821 goto again;
aac243092b707bb Lizhi Hou 2024-11-18 822
aac243092b707bb Lizhi Hou 2024-11-18 823 put_mm:
e486147c912f653 Lizhi Hou 2025-03-25 824 amdxdna_umap_put(mapp);
aac243092b707bb Lizhi Hou 2024-11-18 825 mmput(mm);
aac243092b707bb Lizhi Hou 2024-11-18 826 return ret;
aac243092b707bb Lizhi Hou 2024-11-18 827 }
aac243092b707bb Lizhi Hou 2024-11-18 828
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-01-06 4:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-06 4:13 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-02-12 21:19 drivers/accel/amdxdna/aie2_ctx.c:783:11-15: ERROR: invalid reference to the index variable of the iterator on line 771 kernel test robot
2026-03-17 10:09 kernel test robot
2026-05-05 5:00 kernel test robot
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