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 2A2C12C11EE; Sat, 2 May 2026 13:13:10 +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=1777727591; cv=none; b=NgluTXeOnDJGTsJouKLOdgH4UV3WQc1fl08NsAq7I8VJ2Nv1xK2sleDDq1+qppqFv4pd4az2da4KwyCRTxECK1DF9GPhLcb5OA9156qqiJTa6XdsnhvqecXr7CKtBgw0/87h2cvsOBIMgdPCve/8CswBIrTCJSnNybNvR+oj474= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777727591; c=relaxed/simple; bh=OEYzZwVgmxjww23jVhcXnWxvryJn1l+RP9EXg/6jilI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HTHjERAfeLLIpIx5tuxzHTCzvHeaWPWXgXKCSVZ5H9GJaXMpe+Hg7Eg4G1m+w44v5pe2PcQq7Or/f5k273r11up4sJzxMPtHHJD5kYtTMZMVa8Y6+2euploS00SL+JlQ9mVR+SxmvrYSLAOro1uaWhk6WK8nVIiM2zjAkGVX9Ss= 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=nqA5ECgm; 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="nqA5ECgm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777727590; x=1809263590; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=OEYzZwVgmxjww23jVhcXnWxvryJn1l+RP9EXg/6jilI=; b=nqA5ECgm6KZUzZdF35zBa0Dva6pPpQNJiSPGIhnFWL6cm1RehxxuT07n MEI6luukt/kuCV214c/IkWpr8hx/lBFSADMxlAyLjcnDvZfIZe4mUsL6M 2ooMyj2LIs5SkXPQpT05O+XZFmW0MOr8jprmXjE5BZgDX27ypP7zayD7H vNKEx96Ev1mtpUxsXkJSVU3RKIjmN4FARzeoJd8pYO+4vqxMOxgjRXkep WjJyNXx13zII2AozzE1OZNWrbakJKoQNUw9yVl2Yy1SsgrzxSs7lk+kbT zMCNazM29SyZCTtZIwhkfCb/zSw9pJ8cIllpG9lzTi7piuIN+Snx08YPA Q==; X-CSE-ConnectionGUID: NA5HI9S0RLi7W08whneLWQ== X-CSE-MsgGUID: zXKoOVwiR2+DSoKvvNhHAA== X-IronPort-AV: E=McAfee;i="6800,10657,11773"; a="78690505" X-IronPort-AV: E=Sophos;i="6.23,211,1770624000"; d="scan'208";a="78690505" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 May 2026 06:13:09 -0700 X-CSE-ConnectionGUID: 7fsP/q4VRWqc2gUNP50meA== X-CSE-MsgGUID: YbZWX4F2Q9aIApSsvKH2tQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,211,1770624000"; d="scan'208";a="236876449" Received: from lkp-server01.sh.intel.com (HELO 781826d00641) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 02 May 2026 06:13:07 -0700 Received: from kbuild by 781826d00641 with local (Exim 4.98.2) (envelope-from ) id 1wJA9Z-000000001Pf-0W9u; Sat, 02 May 2026 13:13:05 +0000 Date: Sat, 2 May 2026 21:12:50 +0800 From: kernel test robot To: Stanislav Kinsburskii , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, longli@microsoft.com Cc: oe-kbuild-all@lists.linux.dev, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mshv: Add dedicated ioctl for GVA to GPA translation Message-ID: <202605022145.mMqA1AEU-lkp@intel.com> References: <177741648871.626779.11067281081219290277.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> 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: <177741648871.626779.11067281081219290277.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> Hi Stanislav, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v7.1-rc1 next-20260430] [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/Stanislav-Kinsburskii/mshv-Add-dedicated-ioctl-for-GVA-to-GPA-translation/20260429-094326 base: linus/master patch link: https://lore.kernel.org/r/177741648871.626779.11067281081219290277.stgit%40skinsburskii-cloud-desktop.internal.cloudapp.net patch subject: [PATCH] mshv: Add dedicated ioctl for GVA to GPA translation config: x86_64-randconfig-123-20260430 (https://download.01.org/0day-ci/archive/20260502/202605022145.mMqA1AEU-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260502/202605022145.mMqA1AEU-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/202605022145.mMqA1AEU-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/hv/mshv_root_main.c:958:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned int enum hv_translate_gva_result_code *[addressable] result @@ drivers/hv/mshv_root_main.c:958:30: sparse: expected void [noderef] __user *to drivers/hv/mshv_root_main.c:958:30: sparse: got unsigned int enum hv_translate_gva_result_code *[addressable] result >> drivers/hv/mshv_root_main.c:961:30: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got unsigned long long [usertype] *[addressable] gpa @@ drivers/hv/mshv_root_main.c:961:30: sparse: expected void [noderef] __user *to drivers/hv/mshv_root_main.c:961:30: sparse: got unsigned long long [usertype] *[addressable] gpa vim +958 drivers/hv/mshv_root_main.c 913 914 static long 915 mshv_vp_ioctl_translate_gva(struct mshv_vp *vp, void __user *user_args) 916 { 917 struct mshv_partition *partition = vp->vp_partition; 918 struct mshv_translate_gva args; 919 struct hv_translate_gva_result_ex result; 920 u64 gfn, gpa; 921 int ret; 922 923 if (copy_from_user(&args, user_args, sizeof(args))) 924 return -EFAULT; 925 926 do { 927 ret = hv_call_translate_virtual_address_ex(vp->vp_index, 928 partition->pt_id, 929 args.flags, args.gva, 930 &gfn, &result); 931 if (ret) 932 return ret; 933 934 if (mshv_gpa_fault_retryable(result.result_code)) { 935 struct mshv_mem_region *region; 936 bool faulted; 937 938 region = mshv_partition_region_by_gfn_get(partition, 939 gfn); 940 if (!region) 941 return -EFAULT; 942 943 faulted = false; 944 if (region->mreg_type == MSHV_REGION_TYPE_MEM_MOVABLE) 945 faulted = mshv_region_handle_gfn_fault(region, 946 gfn); 947 mshv_region_put(region); 948 949 if (!faulted) 950 return -EFAULT; 951 952 cond_resched(); 953 } 954 } while (mshv_gpa_fault_retryable(result.result_code)); 955 956 gpa = (gfn << PAGE_SHIFT) | (args.gva & ~PAGE_MASK); 957 > 958 if (copy_to_user(args.result, &result, sizeof(*args.result))) 959 return -EFAULT; 960 > 961 if (copy_to_user(args.gpa, &gpa, sizeof(*args.gpa))) 962 return -EFAULT; 963 964 return 0; 965 } 966 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki