From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 9E44C4594A for ; Wed, 15 Apr 2026 16:56:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776272200; cv=none; b=Udv1F/np/UVrV89hfZ2rNdCOWu+drN0EE5y6YE9G5XXy+tKyQQ9t2mWazDajNGT2Nyoj62ISm9l+FSvd2M0XcXOXZZCtl3k4gcKjYhm5W6FFNPBXdIhlaq9Fi+tnFyACGKJsvKt4lYsaD34yW0JAoK5AsFj0Wvho52VtfR4WsdM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776272200; c=relaxed/simple; bh=OATcNqOCU8D38wzxGOwm4JyDfEsIU36Spxy+65H0WWQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=kmPaHxqzpBbWAzoMz85yptAa/IYYd7PciM7r1fZpu6Wx472s9bjKDQE28uLpm4ptoCuYRad4ClKl2DPKVtW3VNA5059+6BuCYwpTV68es/CQpwT0pVrmAtLDLfYhfeprwMXMSFHQZynGgK8RC29c9ApZAonFhzivvIW4cgLJXz4= 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=VIDVTr3L; arc=none smtp.client-ip=198.175.65.15 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="VIDVTr3L" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776272199; x=1807808199; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=OATcNqOCU8D38wzxGOwm4JyDfEsIU36Spxy+65H0WWQ=; b=VIDVTr3L+iEjoXxeT2GXLCce/bRuu8WkMQXfZ1ihDBbwz10sLQrBaFKb /RyPDN1B9nZ8/3ZhFqYljpavJ5ShdMMdYSjAVSI3cJ2/DwYa5OGHJy4r5 ha9CfQWzOeiRR02UVcvknVKjdjhXuqfoXs4E4NwmGC7UZYp8T0BOekMg6 3HCkWBdFg7cszwf6sO9j6LdPN6IPkI52a2IyeV3vZgfS1WXJM0uOvZwfg MjV4LpumepZ2ky0JgUJO6FLeJLLpTAcww7mJ9L1rLTdnTDt3nfpa2riTA NDg04UOBnR2hCbJ9Ei9zXAJgpfMWzptlUTNwVsZzT5nMd6vn0kJo7uJY9 g==; X-CSE-ConnectionGUID: 8YK6e1kwRWuGV7ssgXkLVw== X-CSE-MsgGUID: EuU6ghF4Sx2bY4sb2thd+g== X-IronPort-AV: E=McAfee;i="6800,10657,11760"; a="80858549" X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="80858549" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Apr 2026 09:56:27 -0700 X-CSE-ConnectionGUID: RGzfqdf1QuiVxmfPfXnHPg== X-CSE-MsgGUID: fhqtPobnQ7uExKMp6l5LTg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,179,1770624000"; d="scan'208";a="232214304" Received: from lkp-server01.sh.intel.com (HELO 7f3b36e5d6a5) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 15 Apr 2026 09:56:24 -0700 Received: from kbuild by 7f3b36e5d6a5 with local (Exim 4.98.2) (envelope-from ) id 1wD3XK-000000000jW-1JQ2; Wed, 15 Apr 2026 16:56:22 +0000 Date: Thu, 16 Apr 2026 00:56:07 +0800 From: kernel test robot To: =?iso-8859-1?Q?Marc-Andr=E9?= Lureau Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH RFC] virtio-mem: support Confidential Computing (CoCo) environments Message-ID: <202604160022.yMqoL9MR-lkp@intel.com> References: <20260401-coco-v1-1-b9c3072e2d9c@redhat.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260401-coco-v1-1-b9c3072e2d9c@redhat.com> Hi Marc-André, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on c369299895a591d96745d6492d4888259b004a9e] url: https://github.com/intel-lab-lkp/linux/commits/Marc-Andr-Lureau/virtio-mem-support-Confidential-Computing-CoCo-environments/20260414-201359 base: c369299895a591d96745d6492d4888259b004a9e patch link: https://lore.kernel.org/r/20260401-coco-v1-1-b9c3072e2d9c%40redhat.com patch subject: [PATCH RFC] virtio-mem: support Confidential Computing (CoCo) environments config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20260416/202604160022.yMqoL9MR-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260416/202604160022.yMqoL9MR-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/202604160022.yMqoL9MR-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/virtio/virtio_mem.c: In function 'virtio_mem_coco_set_encrypted': >> drivers/virtio/virtio_mem.c:876:16: error: implicit declaration of function 'set_memory_encrypted' [-Wimplicit-function-declaration] 876 | return set_memory_encrypted((unsigned long)__va(addr), PFN_DOWN(size)); | ^~~~~~~~~~~~~~~~~~~~ drivers/virtio/virtio_mem.c: In function 'virtio_mem_coco_set_decrypted': >> drivers/virtio/virtio_mem.c:881:16: error: implicit declaration of function 'set_memory_decrypted' [-Wimplicit-function-declaration] 881 | return set_memory_decrypted((unsigned long)__va(addr), PFN_DOWN(size)); | ^~~~~~~~~~~~~~~~~~~~ vim +/set_memory_encrypted +876 drivers/virtio/virtio_mem.c 868 869 /* 870 * In CoCo (TDX, SEV-SNP) environments, hotplugged memory must be explicitly 871 * accepted before use (private/encrypted), and converted to shared/decrypted 872 * before returning to the hypervisor on unplug. 873 */ 874 static int virtio_mem_coco_set_encrypted(uint64_t addr, uint64_t size) 875 { > 876 return set_memory_encrypted((unsigned long)__va(addr), PFN_DOWN(size)); 877 } 878 879 static int virtio_mem_coco_set_decrypted(uint64_t addr, uint64_t size) 880 { > 881 return set_memory_decrypted((unsigned long)__va(addr), PFN_DOWN(size)); 882 } 883 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki