From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 698CA16C68C; Fri, 5 Apr 2024 11:36:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712317011; cv=none; b=b2vWSnmUprdo70D4nZTqt9bTZgm0HYlFNM7YVJlvauLzPijOSxJt4mKZ0baSJv7Hr9h/HDj8gEH/wrTvFMn05IQa1zkhlktHK0atJnCknXv388+UDo6S8NUOaL9Y4NCsC88Qim0KArrhxzlCyrGdOe3paFCE9ZIA5iAZGiuliPQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712317011; c=relaxed/simple; bh=Sg12EAx3ICVX5lOqralz4pA5DQW+y0y4c7gHeCPwJD4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=lWLvRjihJSbZrDO6uxgDHCrX06XMi4Mm3MpuSa7fq27ia/hQoaSzbeDGWuD3tSc4Wqc2NOMiaGuIdigF53HECKnnXca0uTVX/cYhFQAK/buA1eU1LF5o+tNE/608UFq70SF38qr6OsQr3hUNBY1OElkAxNQElPOp728nn0hdlH0= 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=mBA4z7sD; arc=none smtp.client-ip=192.198.163.14 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="mBA4z7sD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1712317010; x=1743853010; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Sg12EAx3ICVX5lOqralz4pA5DQW+y0y4c7gHeCPwJD4=; b=mBA4z7sDqkYCvNhKr1+dRFu0J/WbKMsV5V78kawYWXhjwcbz5N35fRS1 FiZNVTxdwcGABOP2dcsOm6Tf09InRQaBLK+J2zoQwVveYkU0VNBHhtptX cOe9jNmvap9cJGjvv8Z7sLYO/Ph9I+a29pbLlcAQTqLspvWo6XnWS2P9R qSxRQF5QjJcUyt2DZxsaCxkhZs4TtqOWZqy2Kr30JfIrA/jOA9O+7Id2m qIbwtFAhuQVHd0GkPKVUI1jVFwqda0YcC+AQJjGy6fCZNqr6yGpoyJUCq 4+Md+J0dqujr6UeEOWGa/N266nfAnv0rCJEv0k4KAUNuD4/5y9OdC1ksG w==; X-CSE-ConnectionGUID: ei1q9BITQAuUSi0yHgGLKA== X-CSE-MsgGUID: TJ6EmnYgQjO1bxsSpCIYDg== X-IronPort-AV: E=McAfee;i="6600,9927,11034"; a="7875562" X-IronPort-AV: E=Sophos;i="6.07,181,1708416000"; d="scan'208";a="7875562" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Apr 2024 04:36:49 -0700 X-CSE-ConnectionGUID: FdXcbv0BS7OEke4j78pCPw== X-CSE-MsgGUID: /HKD6oOtRniCRwO9R7X0qw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,181,1708416000"; d="scan'208";a="56602327" Received: from lkp-server01.sh.intel.com (HELO e61807b1d151) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 05 Apr 2024 04:36:43 -0700 Received: from kbuild by e61807b1d151 with local (Exim 4.96) (envelope-from ) id 1rshs8-0002DT-1p; Fri, 05 Apr 2024 11:36:40 +0000 Date: Fri, 5 Apr 2024 19:36:17 +0800 From: kernel test robot To: Ashish Kalra , tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, rafael@kernel.org, adrian.hunter@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, jun.nakajima@intel.com, rick.p.edgecombe@intel.com, thomas.lendacky@amd.com, michael.roth@amd.com, seanjc@google.com, kai.huang@intel.com, bhe@redhat.com, kirill.shutemov@linux.intel.com, bdas@redhat.com, vkuznets@redhat.com, dionnaglaze@google.com, anisinha@redhat.com, jroedel@suse.de, ardb@kernel.org, kexec@lists.infradead.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 4/4] x86/snp: Convert shared memory back to private on kexec Message-ID: <202404051917.mk4DoDkI-lkp@intel.com> References: <41db1ebbe58fb082dbe848f1c666ed23e83f1752.1712270976.git.ashish.kalra@amd.com> Precedence: bulk X-Mailing-List: linux-coco@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: <41db1ebbe58fb082dbe848f1c666ed23e83f1752.1712270976.git.ashish.kalra@amd.com> Hi Ashish, kernel test robot noticed the following build warnings: [auto build test WARNING on efi/next] [also build test WARNING on linus/master v6.9-rc2 next-20240405] [cannot apply to tip/x86/core tip/master tip/x86/mm tip/auto-latest] [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/Ashish-Kalra/efi-x86-skip-efi_arch_mem_reserve-in-case-of-kexec/20240405-071346 base: https://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git next patch link: https://lore.kernel.org/r/41db1ebbe58fb082dbe848f1c666ed23e83f1752.1712270976.git.ashish.kalra%40amd.com patch subject: [PATCH v3 4/4] x86/snp: Convert shared memory back to private on kexec config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240405/202404051917.mk4DoDkI-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240405/202404051917.mk4DoDkI-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/202404051917.mk4DoDkI-lkp@intel.com/ All warnings (new ones prefixed by >>): arch/x86/kernel/sev.c:1006:14: error: call to undeclared function 'pte_decrypted'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1006 | if (pte && pte_decrypted(*pte) && !pte_none(*pte)) { | ^ arch/x86/kernel/sev.c:1035:16: error: call to undeclared function 'pte_decrypted'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1035 | if (!pte || !pte_decrypted(*pte) || pte_none(*pte)) | ^ >> arch/x86/kernel/sev.c:1025:16: warning: variable 'size' set but not used [-Wunused-but-set-variable] 1025 | unsigned long size; | ^ arch/x86/kernel/sev.c:1056:7: error: call to undeclared function 'stop_memory_enc_conversion'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1056 | if (!stop_memory_enc_conversion(wait_for_lock)) | ^ 1 warning and 3 errors generated. vim +/size +1025 arch/x86/kernel/sev.c 1021 1022 static void unshare_all_bss_decrypted_memory(void) 1023 { 1024 unsigned long vaddr, vaddr_end; > 1025 unsigned long size; 1026 unsigned int level; 1027 unsigned int npages; 1028 pte_t *pte; 1029 1030 vaddr = (unsigned long)__start_bss_decrypted; 1031 vaddr_end = (unsigned long)__start_bss_decrypted_unused; 1032 npages = (vaddr_end - vaddr) >> PAGE_SHIFT; 1033 for (; vaddr < vaddr_end; vaddr += PAGE_SIZE) { 1034 pte = lookup_address(vaddr, &level); 1035 if (!pte || !pte_decrypted(*pte) || pte_none(*pte)) 1036 continue; 1037 1038 size = page_level_size(level); 1039 set_pte_enc(pte, level, (void *)vaddr); 1040 } 1041 vaddr = (unsigned long)__start_bss_decrypted; 1042 snp_set_memory_private(vaddr, npages); 1043 } 1044 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki