From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) (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 1E7D4396B9D; Fri, 16 Oct 2026 08:25:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792139147; cv=none; b=qffEZL3swmZYK3hv8FnA8thR3JEYKhdGHfq73JO9FV0yn+xq96jLC+u2yHr3JxF6or2j+O5LCOqAN535BemW2wE2+yNkOonKnugiQjjtdyB+TwehlPMWV+DZQxHcmvVHh5PIIFeeg/WmlMS1Yp1nrmkJP4r+7ioo8/u3Te6baW8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792139147; c=relaxed/simple; bh=KAfd8tRH2E+vvJpLkFEh63/NAmBOZN4lDvDMX9uzf5s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Gi/XvUgdEax3kCdfGILZS4OA+sW3AG0qu5VhsyWkxCt8fnzM8UmnlSC5+696oSQlNnGcs90M0zCBVTcau6fegMZGsZ/1jTk+SdvLN/acJrIfwz5UeswCvr4P+qVfKu9cXkZeJ+RZUcVRtl7+ZZGY5fy4LplvXuu91Pxfv4fUEEo= 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=AoR2383t; arc=none smtp.client-ip=192.198.163.9 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="AoR2383t" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792139146; x=1823675146; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KAfd8tRH2E+vvJpLkFEh63/NAmBOZN4lDvDMX9uzf5s=; b=AoR2383tIJnDYyU0qzY3sDPTyeKQOpgfCgFPtjKL4/lNhDCP580XnG+U Sohew1udjwNOdLkyE17mvquC0a1wePHYSy67fUowHCWaXylNw9GBgr48O C97ngCow8v7TC1EIp/sj0By3znjYii9RVpkfKiZgIjlDIc5miv6pUT9dh qiKeb4rgbm5xEddgJ5/14SA0BMigBOacifGvWtV+NruHdqfNITXpLj1wX 3+UJh3N0shlYeEQiZW8Tw0HCP4oRQBYdAPijJfMBIxemzv30IG8PWJrvp sWXEj9/gNJvtrpRy5ZGDlsCQ6fqCK0+oLZZYsmxVrFTOOHr8YK8Qtp5xa Q==; X-CSE-ConnectionGUID: xCkuKGpfR2GMF8K5hslBXw== X-CSE-MsgGUID: /FX5izdURLWXpsPi5RZMrQ== X-IronPort-AV: E=McAfee;i="6800,10657,11936"; a="812315" X-IronPort-AV: E=Sophos;i="6.27,161,1787036400"; d="scan'208";a="812315" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Oct 2026 01:23:27 -0700 X-CSE-ConnectionGUID: u5J2rt91RgyRRrpNhQby/w== X-CSE-MsgGUID: kNfHIRW4RAm85ARoSZ/D7A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,161,1787036400"; d="scan'208";a="2143052" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 16 Oct 2026 01:23:20 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xHdDg-00000000HtS-105i; Fri, 16 Oct 2026 08:23:16 +0000 Date: Fri, 16 Oct 2026 16:23:02 +0800 From: kernel test robot To: Sairaj Kodilkar , "H. Peter Anvin" , "Joerg Roedel (AMD)" , "Mike Rapoport (Microsoft)" , Andrew Morton , Borislav Petkov , Dapeng Mi , Dave Hansen , Ethan Nelson-Moore , Ingo Molnar , Jakub Kicinski , Jeff Layton , Jonathan Corbet , Kiryl Shutsemau , Li RongQing , Marco Elver , Paolo Bonzini , Randy Dunlap , Rick Edgecombe , Robin Murphy , Sean Christopherson , Shuah Khan , Suravee Suthikulpanit , Thomas Gleixner , Vasant Hegde , Will Deacon , iommu@lists.linux.dev, kvm@vger.kernel.org, linux-coco@lists.linux.dev Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH v5 7/7] iommu/amd: Provide kernel command line option to enable GAPPI Message-ID: <202610161625.7iSczyVo-lkp@intel.com> References: <20261015064515.10700-8-sarunkod@amd.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261015064515.10700-8-sarunkod@amd.com> Hi Sairaj, kernel test robot noticed the following build errors: [auto build test ERROR on 4056b3c9d3c92ea45955641dbafeb9b960e146ef] url: https://github.com/intel-lab-lkp/linux/commits/Sairaj-Kodilkar/iommu-amd-KVM-SVM-Rename-cpu-to-apicid-in-IOMMU-interface/20261015-121509 base: 4056b3c9d3c92ea45955641dbafeb9b960e146ef patch link: https://lore.kernel.org/r/20261015064515.10700-8-sarunkod%40amd.com patch subject: [PATCH v5 7/7] iommu/amd: Provide kernel command line option to enable GAPPI config: x86_64-randconfig-1017-20261016 (https://download.01.org/0day-ci/archive/20261016/202610161625.7iSczyVo-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261016/202610161625.7iSczyVo-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/202610161625.7iSczyVo-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/iommu/amd/init.c:163:6: error: redefinition of 'false' as different kind of symbol 163 | bool amd_iommu_gappi; | ^ include/linux/amd-iommu.h:65:25: note: expanded from macro 'amd_iommu_gappi' 65 | #define amd_iommu_gappi false | ^ include/linux/stddef.h:11:2: note: previous definition is here 11 | false = 0, | ^ drivers/iommu/amd/init.c:164:15: error: redefinition of 'false' as different kind of symbol 164 | EXPORT_SYMBOL(amd_iommu_gappi); | ^ include/linux/amd-iommu.h:65:25: note: expanded from macro 'amd_iommu_gappi' 65 | #define amd_iommu_gappi false | ^ include/linux/stddef.h:11:2: note: previous definition is here 11 | false = 0, | ^ drivers/iommu/amd/init.c:164:1: error: cannot take the address of an rvalue of type 'int' 164 | EXPORT_SYMBOL(amd_iommu_gappi); | ^ ~~~~~~~~~~~~~~~ include/linux/export.h:89:29: note: expanded from macro 'EXPORT_SYMBOL' 89 | #define EXPORT_SYMBOL(sym) _EXPORT_SYMBOL(sym, "") | ^ ~~~ include/linux/export.h:86:38: note: expanded from macro '_EXPORT_SYMBOL' 86 | #define _EXPORT_SYMBOL(sym, license) __EXPORT_SYMBOL(sym, license, "") | ^ ~~~ include/linux/export.h:77:2: note: expanded from macro '__EXPORT_SYMBOL' 77 | __ADDRESSABLE(sym) \ | ^ ~~~ include/linux/compiler.h:276:2: note: expanded from macro '__ADDRESSABLE' 276 | ___ADDRESSABLE(sym, __section(".discard.addressable")) | ^ ~~~ include/linux/compiler.h:273:63: note: expanded from macro '___ADDRESSABLE' 273 | __UNIQUE_ID(__PASTE(addressable_, sym)) = (void *)(uintptr_t)&sym; | ^~~~ >> drivers/iommu/amd/init.c:3804:20: error: expression is not assignable 3804 | amd_iommu_gappi = true; | ~~~~~~~~~~~~~~~ ^ 4 errors generated. vim +3804 drivers/iommu/amd/init.c 3775 3776 static int __init parse_amd_iommu_options(char *str) 3777 { 3778 if (!str) 3779 return -EINVAL; 3780 3781 while (*str) { 3782 if (strncmp(str, "fullflush", 9) == 0) { 3783 pr_warn("amd_iommu=fullflush deprecated; use iommu.strict=1 instead\n"); 3784 iommu_set_dma_strict(); 3785 } else if (strncmp(str, "force_enable", 12) == 0) { 3786 amd_iommu_force_enable = true; 3787 } else if (strncmp(str, "off", 3) == 0) { 3788 amd_iommu_disabled = true; 3789 } else if (strncmp(str, "force_isolation", 15) == 0) { 3790 amd_iommu_force_isolation = true; 3791 } else if (strncmp(str, "pgtbl_v1", 8) == 0) { 3792 amd_iommu_pgtable = PD_MODE_V1; 3793 } else if (strncmp(str, "pgtbl_v2", 8) == 0) { 3794 amd_iommu_pgtable = PD_MODE_V2; 3795 } else if (strncmp(str, "irtcachedis", 11) == 0) { 3796 amd_iommu_irtcachedis = true; 3797 } else if (strncmp(str, "nohugepages", 11) == 0) { 3798 pr_info("Restricting V1 page-sizes to 4KiB"); 3799 amd_iommu_pgsize_bitmap = AMD_IOMMU_PGSIZES_4K; 3800 } else if (strncmp(str, "v2_pgsizes_only", 15) == 0) { 3801 pr_info("Restricting V1 page-sizes to 4KiB/2MiB/1GiB"); 3802 amd_iommu_pgsize_bitmap = AMD_IOMMU_PGSIZES_V2; 3803 } else if (strncmp(str, "gappi", 5) == 0) { > 3804 amd_iommu_gappi = true; 3805 } else { 3806 pr_notice("Unknown option - '%s'\n", str); 3807 } 3808 3809 str += strcspn(str, ","); 3810 while (*str == ',') 3811 str++; 3812 } 3813 3814 return 1; 3815 } 3816 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki