From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1D49730674C for ; Fri, 21 Aug 2026 01:56:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787277390; cv=none; b=aBHS6yH4gma2VJyz3yHT17bkBAsG0W+7kSXbphv4sb/+pkK4Dl3fZFjmyMEoJGBkfTviyFgVfM/2QWtNqAuKU8v90fV3L4ZlmZIzYJFPCsnRyKlEfgubuDE3zok4BXGHc772Z7hiSSzdLNxoY1cTmJzRmqxH7ywbno+OIQCeFuQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787277390; c=relaxed/simple; bh=YI9A0TE6mnqLsv6FHX+HDApZv0QWvPeeWF8jiJG+jp0=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=XMRTFSaG5v+yRrrFz+wdo1TRz8Xk9zvXzDcD7G1LpZDdI5hsd/hnTsZgT+Sv9vww9ABKz5EqeWENM3qsXHPLWlI89cII7dr0aF2mCPiH38U/H3CIRba8LJet3qymKp1iOyCxxgZCHV+BMX/jErPIF/ggxbyD9h/gAcZd/7i2eJg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TLUtaMxE; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TLUtaMxE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787277389; x=1818813389; h=date:from:to:cc:subject:message-id:mime-version; bh=YI9A0TE6mnqLsv6FHX+HDApZv0QWvPeeWF8jiJG+jp0=; b=TLUtaMxEKczoL+bIHa92Q2jToOC9ZvDT9lVnD9ivnFp84qTljJlBUDmu BVqqxTagxWxtUAhNrlurRuyGpbUpvcxTGORkpmmq6rtShQiwkc1S2Qk0Z QqXes5gag6njGzkP4pHf931kWsu772gg3IVTnXjh3kbuZ+jTXHAHohlQz XLnlKLD0/QFQJsycNHVMZeVuEUH32qzmK5SS1ZG4Ybu8IYmDft19e47U3 kH6wXZhXaRBi7uAyFwdcTT8r9CeEO/P8SvXitnBI96tmwl1XvxNzobF7m xSTYXT/rB0S51fEhP0PWm5xel1XllPbyxaxppItBtE+K0p4DwNez8AuKh w==; X-CSE-ConnectionGUID: PcZKr8OQQcWLpaDFDhwPWA== X-CSE-MsgGUID: 08liXGsdRLiPimwgdvTMlA== X-IronPort-AV: E=McAfee;i="6800,10657,11881"; a="91502643" X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="91502643" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Aug 2026 18:56:28 -0700 X-CSE-ConnectionGUID: uyje8E7nRfSM2y92dSIubQ== X-CSE-MsgGUID: YxlaDUTLRCapWBakpPLUeA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,234,1779174000"; d="scan'208";a="263548784" Received: from lkp-server01.sh.intel.com (HELO 6eda058d650d) ([10.239.97.150]) by fmviesa008.fm.intel.com with ESMTP; 20 Aug 2026 18:56:26 -0700 Received: from kbuild by 6eda058d650d with local (Exim 4.98.2) (envelope-from ) id 1wxEUa-00000000oyD-0OFh; Fri, 21 Aug 2026 01:56:24 +0000 Date: Fri, 21 Aug 2026 09:55:43 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: Re: [PATCH] accel/ivpu: fix usage_count leak when autosuspend_delay is negative Message-ID: <202608210900.FyVw967W-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline :::::: :::::: Manual check reason: "linux-review patch is more than 7 days old, verify it wasn't already superseded" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev In-Reply-To: <20260807145416.2518999-1-lgs201920130244@gmail.com> References: <20260807145416.2518999-1-lgs201920130244@gmail.com> TO: Guangshuo Li TO: Karol Wachowski TO: Andrzej Kacprowski TO: Oded Gabbay TO: Jeff Hugo TO: Jacek Lawrynowicz TO: Simona Vetter TO: Krystian Pradzynski TO: dri-devel@lists.freedesktop.org TO: linux-kernel@vger.kernel.org CC: Guangshuo Li Hi Guangshuo, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v7.2 next-20260819] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Guangshuo-Li/accel-ivpu-fix-usage_count-leak-when-autosuspend_delay-is-negative/20260807-225416 base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next patch link: https://lore.kernel.org/r/20260807145416.2518999-1-lgs201920130244%40gmail.com patch subject: [PATCH] accel/ivpu: fix usage_count leak when autosuspend_delay is negative :::::: branch date: 29 hours ago :::::: commit date: 29 hours ago config: x86_64-randconfig-074-20260821 (https://download.01.org/0day-ci/archive/20260821/202608210900.FyVw967W-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/202608210900.FyVw967W-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/r/202608210900.FyVw967W-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/accel/ivpu/ivpu_drv.c: In function 'ivpu_dev_init': >> drivers/accel/ivpu/ivpu_drv.c:788:1: warning: label 'err_ipc_fini' defined but not used [-Wunused-label] 788 | err_ipc_fini: | ^~~~~~~~~~~~ vim +/err_ipc_fini +788 drivers/accel/ivpu/ivpu_drv.c 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 678 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 679 static int ivpu_dev_init(struct ivpu_device *vdev) 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 680 { 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 681 int ret; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 682 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 683 vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL); 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 684 if (!vdev->hw) 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 685 return -ENOMEM; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 686 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 687 vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL); 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 688 if (!vdev->mmu) 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 689 return -ENOMEM; 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 690 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 691 vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL); 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 692 if (!vdev->fw) 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 693 return -ENOMEM; 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 694 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 695 vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL); 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 696 if (!vdev->ipc) 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 697 return -ENOMEM; 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 698 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 699 vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL); 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 700 if (!vdev->pm) 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 701 return -ENOMEM; 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 702 8a27ad81f7d3a4b Wachowski, Karol 2024-05-15 703 if (ivpu_hw_ip_gen(vdev) >= IVPU_HW_IP_40XX) 79cdc56c4a54252 Stanislaw Gruszka 2023-07-31 704 vdev->hw->dma_bits = 48; 8a27ad81f7d3a4b Wachowski, Karol 2024-05-15 705 else a4172d6cf0a2b9f Karol Wachowski 2023-05-18 706 vdev->hw->dma_bits = 38; a4172d6cf0a2b9f Karol Wachowski 2023-05-18 707 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 708 vdev->platform = IVPU_PLATFORM_INVALID; 3ff6edbc17dbab8 Stanislaw Gruszka 2023-03-23 709 vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID; 3ff6edbc17dbab8 Stanislaw Gruszka 2023-03-23 710 vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID; 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 711 atomic64_set(&vdev->unique_id_counter, 0); 0e7db503c5355ff Karol Wachowski 2025-04-16 712 atomic_set(&vdev->job_timeout_counter, 0); ade00a6c903f850 Karol Wachowski 2026-03-18 713 atomic_set(&vdev->faults_detected, 0); fd7726e75968b27 Jacek Lawrynowicz 2024-04-02 714 xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ); cd7272215c44676 Jacek Lawrynowicz 2023-01-17 715 xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1); f32d59677ab1427 Wachowski, Karol 2024-02-14 716 xa_init_flags(&vdev->db_xa, XA_FLAGS_ALLOC1); 48aea7f2a2efae6 Jacek Lawrynowicz 2023-10-31 717 INIT_LIST_HEAD(&vdev->bo_list); 86a14330bf0598c Karol Wachowski 2026-03-02 718 hash_init(vdev->user_limits); 48aea7f2a2efae6 Jacek Lawrynowicz 2023-10-31 719 ae7af7d8dc2a13a Karol Wachowski 2024-10-17 720 vdev->db_limit.min = IVPU_MIN_DB; ae7af7d8dc2a13a Karol Wachowski 2024-10-17 721 vdev->db_limit.max = IVPU_MAX_DB; c3b0ec0fe0c7ebc Tomasz Rusinowicz 2024-09-30 722 f1cc6aceecd0496 Jacek Lawrynowicz 2024-01-22 723 ret = drmm_mutex_init(&vdev->drm, &vdev->context_list_lock); f1cc6aceecd0496 Jacek Lawrynowicz 2024-01-22 724 if (ret) f1cc6aceecd0496 Jacek Lawrynowicz 2024-01-22 725 goto err_xa_destroy; 5bbccadaf33eea2 Karol Wachowski 2025-01-07 726 86a14330bf0598c Karol Wachowski 2026-03-02 727 ret = drmm_mutex_init(&vdev->drm, &vdev->user_limits_lock); 86a14330bf0598c Karol Wachowski 2026-03-02 728 if (ret) 86a14330bf0598c Karol Wachowski 2026-03-02 729 goto err_xa_destroy; 86a14330bf0598c Karol Wachowski 2026-03-02 730 5bbccadaf33eea2 Karol Wachowski 2025-01-07 731 ret = drmm_mutex_init(&vdev->drm, &vdev->submitted_jobs_lock); 5bbccadaf33eea2 Karol Wachowski 2025-01-07 732 if (ret) 5bbccadaf33eea2 Karol Wachowski 2025-01-07 733 goto err_xa_destroy; f1cc6aceecd0496 Jacek Lawrynowicz 2024-01-22 734 48aea7f2a2efae6 Jacek Lawrynowicz 2023-10-31 735 ret = drmm_mutex_init(&vdev->drm, &vdev->bo_list_lock); 48aea7f2a2efae6 Jacek Lawrynowicz 2023-10-31 736 if (ret) 48aea7f2a2efae6 Jacek Lawrynowicz 2023-10-31 737 goto err_xa_destroy; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 738 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 739 ret = ivpu_pci_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 740 if (ret) 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 741 goto err_xa_destroy; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 742 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 743 ret = ivpu_irq_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 744 if (ret) 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 745 goto err_xa_destroy; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 746 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 747 /* Init basic HW info based on buttress registers which are accessible before power up */ 8a27ad81f7d3a4b Wachowski, Karol 2024-05-15 748 ret = ivpu_hw_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 749 if (ret) 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 750 goto err_xa_destroy; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 751 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 752 /* Power up early so the rest of init code can access VPU registers */ 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 753 ret = ivpu_hw_power_up(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 754 if (ret) e3caadf1f9dfc9d Jacek Lawrynowicz 2024-04-02 755 goto err_shutdown; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 756 a74f4d991352c95 Karol Wachowski 2024-10-17 757 ivpu_mmu_global_context_init(vdev); 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 758 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 759 ret = ivpu_mmu_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 760 if (ret) 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 761 goto err_mmu_gctx_fini; 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 762 34d03f2a174dce5 Karol Wachowski 2023-09-01 763 ret = ivpu_mmu_reserved_context_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 764 if (ret) 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 765 goto err_mmu_gctx_fini; 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 766 34d03f2a174dce5 Karol Wachowski 2023-09-01 767 ret = ivpu_fw_init(vdev); 34d03f2a174dce5 Karol Wachowski 2023-09-01 768 if (ret) 34d03f2a174dce5 Karol Wachowski 2023-09-01 769 goto err_mmu_rctx_fini; 34d03f2a174dce5 Karol Wachowski 2023-09-01 770 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 771 ret = ivpu_ipc_init(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 772 if (ret) 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 773 goto err_fw_fini; 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 774 3f68b03ae6dcd18 Stanislaw Gruszka 2023-09-01 775 ivpu_pm_init(vdev); 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 776 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 777 ret = ivpu_boot(vdev); 0a9cd7924e56de9 Jacek Lawrynowicz 2023-09-01 778 if (ret) dc6256eb3d23e33 Guangshuo Li 2026-08-07 779 goto err_pm_fini; 5d7422cfb498bf2 Jacek Lawrynowicz 2023-01-17 780 3b434a3445fff31 Jacek Lawrynowicz 2023-11-13 781 ivpu_job_done_consumer_init(vdev); 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 782 ivpu_pm_enable(vdev); 852be13f3bd32c1 Jacek Lawrynowicz 2023-01-17 783 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 784 return 0; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 785 dc6256eb3d23e33 Guangshuo Li 2026-08-07 786 err_pm_fini: dc6256eb3d23e33 Guangshuo Li 2026-08-07 787 pm_runtime_dont_use_autosuspend(vdev->drm.dev); cd7272215c44676 Jacek Lawrynowicz 2023-01-17 @788 err_ipc_fini: cd7272215c44676 Jacek Lawrynowicz 2023-01-17 789 ivpu_ipc_fini(vdev); 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 790 err_fw_fini: 02d5b0aacd0590d Jacek Lawrynowicz 2023-01-17 791 ivpu_fw_fini(vdev); 34d03f2a174dce5 Karol Wachowski 2023-09-01 792 err_mmu_rctx_fini: 34d03f2a174dce5 Karol Wachowski 2023-09-01 793 ivpu_mmu_reserved_context_fini(vdev); 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 794 err_mmu_gctx_fini: 263b2ba5fc93c87 Jacek Lawrynowicz 2023-01-17 795 ivpu_mmu_global_context_fini(vdev); e3caadf1f9dfc9d Jacek Lawrynowicz 2024-04-02 796 err_shutdown: e3caadf1f9dfc9d Jacek Lawrynowicz 2024-04-02 797 ivpu_shutdown(vdev); 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 798 err_xa_destroy: f32d59677ab1427 Wachowski, Karol 2024-02-14 799 xa_destroy(&vdev->db_xa); cd7272215c44676 Jacek Lawrynowicz 2023-01-17 800 xa_destroy(&vdev->submitted_jobs_xa); 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 801 xa_destroy(&vdev->context_xa); 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 802 return ret; 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 803 } 35b137630f08d91 Jacek Lawrynowicz 2023-01-17 804 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki