From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0D136606A33D for ; Thu, 5 Nov 2026 14:50:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=ycE5Ksb7; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=dOdSGVJq DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=zngDh/hn+d+IfbRxuQD9941zh0dh76DUZmGv37oN1yw=; b=ycE5Ksb7kqzmEeOo4aj+iljeSM rGAGEeGNB81kokwdssz8ROgeXLlIK6DvfFk9EMV36sOLtGC+2cpRFYoE/gFchE3rZPSfof3UBUf1Z PhkB9BnLtlO3GLCgqzJR+BgliYLD3KcNL3+FF73GVeh4vDpNmax4eCLMRP4DWPR0LvKNUhMUyRbY8 wRrKvG0Xr4l9FIn2hGWf9kM380ih+UZhUpMAJ4c8NbXMGEniVvJh2YMASF+EjyF5YDfgABGjKCCgw JdfTkLd1sICimGwzkmN1oba5cUui7qkkuHe2zchQ7HxdKBmh5YXMpDsjh4WaSRicHK/pCp8Kyl6tB EbybxSAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOynG-00000009Khw-3AyW; Thu, 05 Nov 2026 14:50:22 +0000 Received: from mgamail.intel.com ([192.198.163.7]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xOynD-00000009Kgt-1n6r for linux-arm-kernel@lists.infradead.org; Thu, 05 Nov 2026 14:50:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1793890219; x=1825426219; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=pR76mBghhXMOKm2t2fE0Nbyxh5lA9YdTCI2eN6g0oNY=; b=dOdSGVJqhH9neMIxJFy3/Uw2TQ9x8/A46vyTZgJC81nzyBoSBspG2x6f z5DBXgKMEH5rJJgvYDTM0gmuPMbz0xpfeKJUOG2Kd9M8CcsPdVOGYKbvU gh3v/i/PkVQY7QHQ/2yS0yBraFKmD4MJ56OeGA9O/l/6px0h5uD6Pm1N4 GTXdAEkK3pveM0EkP/yiLKeJ2trxzSTMzl1o3UnxyZP54scFkXD9wK7XQ PdFEdn5HavvpfMCpgCyD9y3ZGy7oayL8/GxXomQwoBGIZo3J6+ZJ2rpYO OQh0FWvTRUWqcuAeWPN2RGA6BG7+N5jHPvCMGjgc4aeAgwMAmLcBcuGGs Q==; X-CSE-ConnectionGUID: FRLSssrrSTOx9JU19DDCYg== X-CSE-MsgGUID: pK3ScSGlS6WqDVlG/WpMqQ== X-IronPort-AV: E=McAfee;i="6800,10657,11957"; a="2551308" X-IronPort-AV: E=Sophos;i="6.27,197,1787036400"; d="scan'208";a="2551308" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Nov 2026 06:50:19 -0800 X-CSE-ConnectionGUID: /dk8MTNSRPGYLMVUiJXO/Q== X-CSE-MsgGUID: pVjBF9RvTTCjveglukFKDg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,197,1787036400"; d="scan'208";a="7151193" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 05 Nov 2026 06:50:13 -0800 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xOyn4-00000000mLb-00W9; Thu, 05 Nov 2026 14:50:10 +0000 Date: Thu, 5 Nov 2026 22:49:53 +0800 From: kernel test robot To: "Aneesh Kumar K.V (Arm)" , iommu@lists.linux.dev Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, "Aneesh Kumar K.V (Arm)" , Alex Williamson , Alexey Kardashevskiy , Bjorn Helgaas , Catalin Marinas , Jacob Pan , Jason Gunthorpe , Joerg Roedel , Jonathan Cameron , Jonathan Hunter , Kevin Tian , Krishna Reddy , Lukas Wunner , Nicolin Chen , Robin Murphy , Samuel Ortiz , Shameer Kolothum , Steven Price , Suravee Suthikulpanit , Suzuki K Poulose , Thierry Reding , Vasant Hegde , Will Deacon , Xu Yilun , kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v8 11/15] iommufd/viommu: Select vIOMMU operations before allocation Message-ID: <202611052227.TxHIjde3-lkp@intel.com> References: <20261104161632.3547423-12-aneesh.kumar@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261104161632.3547423-12-aneesh.kumar@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261105_065019_549985_29764DA7 X-CRM114-Status: GOOD ( 11.04 ) X-Spam-Score: -4.4 (----) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Aneesh, kernel test robot noticed the following build warnings: [auto build test WARNING on 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4] url: https://github.com/intel-lab-lkp/linux/commits/Aneesh-Kumar-K-V-Arm/PCI-TSM-Move-core-code-into-its-own-directory/20261104-214618 base: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4 patch link: https://lore.kernel.org/r/20261104161632.3547423-12-aneesh.kumar%40kernel.org patch subject: [PATCH v8 11/15] iommufd/viommu: Select vIOMMU operations before allocation config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20261105/202611052227.TxHIjde3-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261105/202611052227.TxHIjde3-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/oe-kbuild-all/202611052227.TxHIjde3-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/iommu/amd/iommufd.c:81:40: warning: unused variable 'amd_viommu_ops' [-Wunused-const-variable] 81 | static const struct iommufd_viommu_ops amd_viommu_ops = { | ^~~~~~~~~~~~~~ 1 warning generated. vim +/amd_viommu_ops +81 drivers/iommu/amd/iommufd.c 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 76 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 77 /* 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 78 * See include/linux/iommufd.h 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 79 * struct iommufd_viommu_ops - vIOMMU specific operations 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 80 */ 757d2b1fdf5b7d6 Suravee Suthikulpanit 2026-01-15 @81 static const struct iommufd_viommu_ops amd_viommu_ops = { -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki