From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (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 85A362FABFB for ; Fri, 18 Sep 2026 08:18:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789719498; cv=none; b=H81e+Cxlf/U+FbLRK4gncE8Q1R71bCNsSmmtX+lPlvQfgvzmUzuQs1M/berqzpluc4A74gZTnumjlWHyRwSncTtyQOB77y9Lmf30/yPXDR4dz/leJIc/p2peiHtcrzfQe1gatl87RtTruJpA27yQebslk8aoPt2p/21WFKXdO5I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789719498; c=relaxed/simple; bh=95fsuTjsX6R4WLCBeCRLo0swubXKnut//KRv86a2HU0=; h=Date:From:To:Cc:Subject:Message-ID; b=NQ5cSzcsgP3VBI2rGeOg7ivIgTVNN6+6l+2oQ4VJ5Y0T01p2OrikiUy71k9SyxmEzoVjfzhJRPUMQmDfF3Y5CaMb1iouap9o3t8dc2QOnQo41kEFP+1wq9ulVSLTyNRv1F41IkQi62kcHve/QNvSiX7Ojmn5/0/LEC7hqRBRtKs= 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=CGWhmgBu; arc=none smtp.client-ip=192.198.163.17 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="CGWhmgBu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789719496; x=1821255496; h=date:from:to:cc:subject:message-id; bh=95fsuTjsX6R4WLCBeCRLo0swubXKnut//KRv86a2HU0=; b=CGWhmgBuNO6KvoBsA0yDbJN3RHv7b7QUgViGsB3fTVHInLdtqqMMFBb1 BGrbcxFBP2YgCjWisEyth+J+tCPQVM50hQ5A1YtJDNRL9i/XuE8uG1n+P qX98RfL/ym8+dKag0g7kJRMRhgMjMtRZSY1QuxjZ80a0axwpFhjpRiCsH H1jHZLr67f5ESacqQ6UVvhDs/5WUEErgMagbTIzkj/2YYzMHY7TadZavH bpYJvZj7NhRLss5Y+C8UmNaYc8VizBlYZdqiq0LkyNsBvFax7m/6WcJ21 qCGehaD1qNquoL8AwdvUd29jQU2geQ9wV3EJcgKGBrRaE9st07xe8Oy1A A==; X-CSE-ConnectionGUID: wRUMZMO7Q9S2JN6bFDlspA== X-CSE-MsgGUID: WGhxNIiESCGNQvbwh8A3lA== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="90073911" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="90073911" Received: from fmviesa013.fm.intel.com ([10.60.135.153]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2026 01:18:16 -0700 X-CSE-ConnectionGUID: x7JdNu2tQ3ih1zMtDMWp/w== X-CSE-MsgGUID: weFTCyBET26dk8LuikyYgA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="2697196" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by fmviesa013.fm.intel.com with ESMTP; 18 Sep 2026 01:18:15 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1x7TnP-000000009RD-0U1a; Fri, 18 Sep 2026 08:18:11 +0000 Date: Fri, 18 Sep 2026 16:17:54 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android16-6.12-lts 1/1] arch/arm64/kvm/iommu.c:153:58: sparse: sparse: Using plain integer as NULL pointer Message-ID: <202609181647.ibpzYHY2-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android16-6.12-lts head: 57041e4a7e52342473871000827584f966d8cbd3 commit: 9dabecc2a2c31f11239b0853839bfc860de071e0 [1/1] ANDROID: KVM: arm64: iommu: Add memcache for guest pvIOMMU config: arm64-randconfig-r123-20260910 (https://download.01.org/0day-ci/archive/20260918/202609181647.ibpzYHY2-lkp@intel.com/config) compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project d3db069999553568848400c84cbf815c03f5470f) sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260918/202609181647.ibpzYHY2-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/202609181647.ibpzYHY2-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm64/kvm/iommu.c:153:58: sparse: sparse: Using plain integer as NULL pointer arch/arm64/kvm/iommu.c:162:50: sparse: sparse: Using plain integer as NULL pointer vim +153 arch/arm64/kvm/iommu.c 145 146 int kvm_iommu_guest_alloc_mc(struct kvm_hyp_memcache *mc, u32 pgsize, u32 nr_pages) 147 { 148 u8 order = get_order(pgsize); 149 150 /* Driver might have dedicated allocator especially if it needs large pages. */ 151 if (iommu_driver && iommu_driver->guest_alloc && iommu_driver->guest_free) 152 return __topup_hyp_memcache(mc, nr_pages, iommu_driver->guest_alloc, > 153 kvm_host_pa, 0, order); 154 155 return topup_hyp_memcache(mc, nr_pages, order); 156 } 157 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki