From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 3D6183D7D7E for ; Tue, 20 Jan 2026 09:33:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768901636; cv=none; b=nxeCCzWs05ot8bEVaGSjnXETqpBeHxPFZ81rMTA8pSsYapcSURVD5ZjuB+MPhkqgKUhbcmZA+CsO9jal0rZK+uAxMyccng7Qh8W8Ft7yAzt8r8LFs0yZlb+SVxgt6TM3nd7GLIPYxQjc3wtzC/c7Y+DQtrAL1CZgBWuSxP8sGNs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768901636; c=relaxed/simple; bh=i2MBKKc4voAU01sjEwDSFw1LLrzbqEwLRymkIJ/6vOI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iLZS4+1XcToyz+a2qtVOkl6Cslf4IMV7Z3hUFag6y7l9B00fQvkgKB5ZQ3ysxUO8aEbN9vlPeOIU8xG1/fSUXlzaYaiP5TqcBhvflQBw2GpaN9XdwjJR1H1fcoJjINlwXYGuNK9HPUOJj9MqS+ml0UqkcgxEDl2RR+xDicfaykU= 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=ZlJHSzz5; arc=none smtp.client-ip=198.175.65.17 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="ZlJHSzz5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1768901635; x=1800437635; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=i2MBKKc4voAU01sjEwDSFw1LLrzbqEwLRymkIJ/6vOI=; b=ZlJHSzz5hOFGm/+ypEc4Qsp0QBTXUHeVmVzorhz6EBajzqOiX87gMZcV gNA0+EOXo+wdPpN8H1fgJwuXj3D7hZ6Fpviu+wgNrg++UbptOkMUMErnG BrjVySHrhvZh4f+LrHRlJe4Oohdi1cUneVEWZMonsMRhHYaaX/rams2jW xnaZnhiDQAtnQdqtb9MN+hZgXHlsoq5LKL+sokES68qw8WcAHgtkEcnDx hwaQXb7Is+fndw94u3n2FPPB77+QeAbYIzN4pZXVD+t2OFTNFZm2f9qVY NOK6XA/0b6hmAgOkGgKBXa00/XFq7cruY+ae/tcADqXACHkRfgtJhnzSx w==; X-CSE-ConnectionGUID: IzMGC4mUSLCmJZphESk+3Q== X-CSE-MsgGUID: KhPgonkdTtGPx+mwfXVjRw== X-IronPort-AV: E=McAfee;i="6800,10657,11676"; a="70077063" X-IronPort-AV: E=Sophos;i="6.21,240,1763452800"; d="scan'208";a="70077063" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Jan 2026 01:33:54 -0800 X-CSE-ConnectionGUID: WWfqSC3ISgW8D9Q2FGTxpw== X-CSE-MsgGUID: Zqvi37gDQoi/XaoNFcGMvw== X-ExtLoop1: 1 Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa003.fm.intel.com with ESMTP; 20 Jan 2026 01:33:50 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vi87P-00000000Olp-3egN; Tue, 20 Jan 2026 09:33:47 +0000 Date: Tue, 20 Jan 2026 17:33:27 +0800 From: kernel test robot To: "Aneesh Kumar K.V (Arm)" , linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-coco@lists.linux.dev Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Catalin Marinas , will@kernel.org, robin.murphy@arm.com, suzuki.poulose@arm.com, jgg@ziepe.ca, steven.price@arm.com, Marek Szyprowski , "Aneesh Kumar K.V (Arm)" Subject: Re: [PATCH 2/2] dma-direct: Make phys_to_dma() pick encrypted vs unencrypted per device Message-ID: <202601201747.22JsrCCp-lkp@intel.com> References: <20260120064255.179425-2-aneesh.kumar@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260120064255.179425-2-aneesh.kumar@kernel.org> Hi Aneesh, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.19-rc6 next-20260119] [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/Aneesh-Kumar-K-V-Arm/dma-direct-Make-phys_to_dma-pick-encrypted-vs-unencrypted-per-device/20260120-145025 base: linus/master patch link: https://lore.kernel.org/r/20260120064255.179425-2-aneesh.kumar%40kernel.org patch subject: [PATCH 2/2] dma-direct: Make phys_to_dma() pick encrypted vs unencrypted per device config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20260120/202601201747.22JsrCCp-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260120/202601201747.22JsrCCp-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/202601201747.22JsrCCp-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/dma/mapping.c:19: In file included from kernel/dma/direct.h:10: >> include/linux/dma-direct.h:103:6: error: call to undeclared function 'force_dma_unencrypted'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 103 | if (force_dma_unencrypted(dev)) | ^ include/linux/dma-direct.h:103:6: note: did you mean 'phys_to_dma_unencrypted'? include/linux/dma-direct.h:88:26: note: 'phys_to_dma_unencrypted' declared here 88 | static inline dma_addr_t phys_to_dma_unencrypted(struct device *dev, | ^ 89 | phys_addr_t paddr) 90 | { 91 | return dma_addr_unencrypted(__phys_to_dma(dev, paddr)); 92 | } 93 | 94 | static inline dma_addr_t phys_to_dma_encrypted(struct device *dev, 95 | phys_addr_t paddr) 96 | { 97 | return dma_addr_encrypted(__phys_to_dma(dev, paddr)); 98 | } 99 | 100 | static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) 101 | { 102 | 103 | if (force_dma_unencrypted(dev)) | ~~~~~~~~~~~~~~~~~~~~~ | phys_to_dma_unencrypted >> include/linux/dma-direct.h:125:20: error: conflicting types for 'force_dma_unencrypted' 125 | static inline bool force_dma_unencrypted(struct device *dev) | ^ include/linux/dma-direct.h:103:6: note: previous implicit declaration is here 103 | if (force_dma_unencrypted(dev)) | ^ 2 errors generated. vim +/force_dma_unencrypted +103 include/linux/dma-direct.h 102 > 103 if (force_dma_unencrypted(dev)) 104 return phys_to_dma_unencrypted(dev, paddr); 105 return phys_to_dma_encrypted(dev, paddr); 106 } 107 108 static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dma_addr) 109 { 110 phys_addr_t paddr; 111 112 dma_addr = dma_addr_canonical(dma_addr); 113 if (dev->dma_range_map) 114 paddr = translate_dma_to_phys(dev, dma_addr); 115 else 116 paddr = dma_addr; 117 118 return paddr; 119 } 120 #endif /* !CONFIG_ARCH_HAS_PHYS_TO_DMA */ 121 122 #ifdef CONFIG_ARCH_HAS_FORCE_DMA_UNENCRYPTED 123 bool force_dma_unencrypted(struct device *dev); 124 #else > 125 static inline bool force_dma_unencrypted(struct device *dev) 126 { 127 return false; 128 } 129 #endif /* CONFIG_ARCH_HAS_FORCE_DMA_UNENCRYPTED */ 130 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki