From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 0F9E13F788A for ; Thu, 24 Sep 2026 18:08:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790273285; cv=none; b=K125Q9aRrfbIk54upgyhaR3RuRqvQWT1O1/pEORQTNRrfRP64HSP6l1SAR5q4yshwuIm86PleQY6Vybh5yiJuo4zwnX0/RVqJxdXfKcwIUNTn8vkrz+tJCq/jgCFHf9d6KeNlLSVCOC2BUF2aNMZeaO9Slqfs9isTR4Gq8sOL5g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790273285; c=relaxed/simple; bh=SOU/rcy+1eulSTnc65zoY8pg6rGflcNw+HjXWky9RXY=; h=Date:From:To:Cc:Subject:Message-ID; b=ACeGarc0ySJTEg1wZG6eydzUtAX2Xw1IpCOuKOr21Uay/7y0WaXzDLlGia2EOAV68iAIHr5ACk/eHKek9Ba8nnZ3RFJDUNYriTiFFJJh1sDuADqIaU+1ZNTAP/5YEljxBh63iI+47JogbzoHWTxGIklgbfxG8yfWD36iXVa8Llk= 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=N7X6+2Rr; arc=none smtp.client-ip=198.175.65.18 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="N7X6+2Rr" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1790273284; x=1821809284; h=date:from:to:cc:subject:message-id; bh=SOU/rcy+1eulSTnc65zoY8pg6rGflcNw+HjXWky9RXY=; b=N7X6+2RrXoCIVlL/EB/QER157v32XxObdOxazkl+f3upGIAFekl5jNE1 K+dUq//a0f7sCSxEKqQyFmyr64UT6+iNJiPQv2V8sTqkwARxcCvqzbIEM /sv1hYl0OVZSUMIF8xbt2fZlQgrGOK1NTyKy9dfJk9w6y9/Pqj2IWUKJy TkSOqFkEMBx+2RqZyPCBFlX14jRUXe/NKkjsOd3Qqkxyyms1OkZPz0ooF Lfbw88YuVsQpL9BO22mLihld7yR/OtBhobxalNoP8+xqjXb+m9RXySFO9 sIYKHbg6ocqBY8Tef9cmww8CgONSWF4CwcM/NQ8rsytNOZThv3QHJFe3n A==; X-CSE-ConnectionGUID: Eeg5rJFyQ7WdRy0N1ab6pw== X-CSE-MsgGUID: WF8MzZ23RpCr+poE+vEaAg== X-IronPort-AV: E=McAfee;i="6800,10657,11915"; a="90118948" X-IronPort-AV: E=Sophos;i="6.27,121,1787036400"; d="scan'208";a="90118948" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2026 11:08:04 -0700 X-CSE-ConnectionGUID: ZBFWhIXLSpOppUds21isPA== X-CSE-MsgGUID: 1pepEmL0QRm85NWdY79ZvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,121,1787036400"; d="scan'208";a="272224676" Received: from igk-lkp-server01.igk.intel.com (HELO a88263cc608e) ([10.211.93.152]) by orviesa010.jf.intel.com with ESMTP; 24 Sep 2026 11:08:03 -0700 Received: from kbuild by a88263cc608e with local (Exim 4.98.2) (envelope-from ) id 1x9nrU-000000000OA-1CBQ; Thu, 24 Sep 2026 18:08:00 +0000 Date: Thu, 24 Sep 2026 20:07:57 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [intel-tdx:v7.3-rc4_tdx_connect_phase2.for_upstream 12/44] drivers/pci/tsm/core.c:777 pci_tsm_enable_dma() warn: set_bit() takes a bit number Message-ID: <202609242048.Wd3SNMSN-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: Zhenzhong Duan tree: https://github.com/intel/tdx.git v7.3-rc4_tdx_connect_phase2.for_upstream head: 69fd611d89afafa408b11f0e1304297433d3d471 commit: c0574e0bc66aaa1e44d4a31e64b79c4197d3285f [12/44] PCI/TSM: Add device interface security DMA enable/disable :::::: branch date: 14 hours ago :::::: commit date: 15 hours ago config: i386-randconfig-r2202-20260924 (https://download.01.org/0day-ci/archive/20260924/202609242048.Wd3SNMSN-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 smatch: v0.5.0-9187-g5189e3fb 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202609242048.Wd3SNMSN-lkp@intel.com/ New smatch warnings: drivers/pci/tsm/core.c:777 pci_tsm_enable_dma() warn: set_bit() takes a bit number drivers/pci/tsm/core.c:792 pci_tsm_disable_dma() warn: test_and_clear_bit() takes a bit number Old smatch warnings: drivers/pci/tsm/core.c:589 pci_tsm_accept() warn: set_bit() takes a bit number vim +777 drivers/pci/tsm/core.c da2ae199703c8a Dan Williams 2026-09-24 756 c0574e0bc66aaa Dan Williams 2026-09-24 757 /* pci_dma_configure() helper to finalize access to private memory. */ c0574e0bc66aaa Dan Williams 2026-09-24 758 int pci_tsm_enable_dma(struct pci_dev *pdev) __must_hold(&pdev->dev->mutex) c0574e0bc66aaa Dan Williams 2026-09-24 759 { c0574e0bc66aaa Dan Williams 2026-09-24 760 struct device *dev = &pdev->dev; c0574e0bc66aaa Dan Williams 2026-09-24 761 const struct pci_tsm_ops *ops; c0574e0bc66aaa Dan Williams 2026-09-24 762 int rc; c0574e0bc66aaa Dan Williams 2026-09-24 763 c0574e0bc66aaa Dan Williams 2026-09-24 764 if (dev_WARN_ONCE(dev, !dev->driver, c0574e0bc66aaa Dan Williams 2026-09-24 765 "DMA access only finalized at driver attach\n")) c0574e0bc66aaa Dan Williams 2026-09-24 766 return -ENXIO; c0574e0bc66aaa Dan Williams 2026-09-24 767 c0574e0bc66aaa Dan Williams 2026-09-24 768 if (!pdev->tsm) c0574e0bc66aaa Dan Williams 2026-09-24 769 return 0; c0574e0bc66aaa Dan Williams 2026-09-24 770 c0574e0bc66aaa Dan Williams 2026-09-24 771 ops = to_pci_tsm_ops(pdev->tsm); c0574e0bc66aaa Dan Williams 2026-09-24 772 if (!ops->enable_dma) c0574e0bc66aaa Dan Williams 2026-09-24 773 return 0; c0574e0bc66aaa Dan Williams 2026-09-24 774 c0574e0bc66aaa Dan Williams 2026-09-24 775 rc = ops->enable_dma(pdev); c0574e0bc66aaa Dan Williams 2026-09-24 776 if (rc == 0) c0574e0bc66aaa Dan Williams 2026-09-24 @777 set_bit(PCI_TSM_F_DMA, &pdev->tsm->flags); c0574e0bc66aaa Dan Williams 2026-09-24 778 return rc; c0574e0bc66aaa Dan Williams 2026-09-24 779 } c0574e0bc66aaa Dan Williams 2026-09-24 780 c0574e0bc66aaa Dan Williams 2026-09-24 781 /* c0574e0bc66aaa Dan Williams 2026-09-24 782 * pci_dma_cleanup() helper to block private memory access as device is c0574e0bc66aaa Dan Williams 2026-09-24 783 * going idle c0574e0bc66aaa Dan Williams 2026-09-24 784 */ c0574e0bc66aaa Dan Williams 2026-09-24 785 void pci_tsm_disable_dma(struct pci_dev *pdev) __must_hold(&pdev->dev->mutex) c0574e0bc66aaa Dan Williams 2026-09-24 786 { c0574e0bc66aaa Dan Williams 2026-09-24 787 const struct pci_tsm_ops *ops; c0574e0bc66aaa Dan Williams 2026-09-24 788 c0574e0bc66aaa Dan Williams 2026-09-24 789 if (!pdev->tsm) c0574e0bc66aaa Dan Williams 2026-09-24 790 return; c0574e0bc66aaa Dan Williams 2026-09-24 791 c0574e0bc66aaa Dan Williams 2026-09-24 @792 if (!test_and_clear_bit(PCI_TSM_F_DMA, &pdev->tsm->flags)) c0574e0bc66aaa Dan Williams 2026-09-24 793 return; c0574e0bc66aaa Dan Williams 2026-09-24 794 c0574e0bc66aaa Dan Williams 2026-09-24 795 ops = to_pci_tsm_ops(pdev->tsm); c0574e0bc66aaa Dan Williams 2026-09-24 796 ops->disable_dma(pdev); c0574e0bc66aaa Dan Williams 2026-09-24 797 } c0574e0bc66aaa Dan Williams 2026-09-24 798 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki