From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 C3E1423D7E3 for ; Thu, 30 Oct 2025 16:33:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761842010; cv=none; b=P8KB2pOwIm2k5etZxlnk19KtPHmOC859yzjAYi9soZWDws0n76+CCJQXMOeF5Fx7bSe9YGt8AIEq2h15qtfLTtvF+ueHyJEHG8l9YwKmDusBWAxk2P/k3LQx+mpszKOIuucV4gmobHaTasjEXfgrYpc3V0I2HRk9x9moNqYYwA8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761842010; c=relaxed/simple; bh=Ege9pyBj+Cx8vWXbDJkReTgvsaHFMZeIMjKsLh+nlSI=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=qsdoqKd+APChNsUAEfTx4F4/5rvorCvJ4lQyLUhbY8V7P8UM9gxO7eyeNdsVOrUzYnB2XhiKsITDuMgBBADk4FEPl3WhevZZ4lm8sr2oL1GeIFZ1lwYF7/IvmcjP5YZad9V9X6EBhVTJ2bVfS9Ec26KFSGLurdxmB6Nw6xpm/94= 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=XgOSzbUL; arc=none smtp.client-ip=192.198.163.16 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="XgOSzbUL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761842008; x=1793378008; h=date:from:to:cc:subject:message-id:mime-version; bh=Ege9pyBj+Cx8vWXbDJkReTgvsaHFMZeIMjKsLh+nlSI=; b=XgOSzbUL3jUTnyYgI9KlZb6gFqiSosSkZBum0Bw3jJFYDl+b6pOB0Se5 ULH/ET8IgW4iTWlMyxYxS99gNcXeiWZB/kFVdpi4LSTE8P4jxwUat6q8w pa+M0ReGXDUDVRSU1gDN504Fw8djG1Q/fDz05u07QWZShs7PdZOAKQ3oY ZsI7rFw+N46t5IEco8ovhBvBqhDZxa5QIjV+EFe2tx0iWBZFckaZWcxxt Ag98wBIutQ37ZN38IssG+vxf8yFLn4rR9uOB7Ob6Ivgq6Rqaa+jOReWDb 0C+ZMA1rNMIRKlV73lG8J9s6iVhfO4lZQWtdZPrhIIIDKuL+nX4Gk76gB Q==; X-CSE-ConnectionGUID: mBkiK0QCSeiJaqVApeCfxA== X-CSE-MsgGUID: vjdck2SuQBSOHX9/QQBEkg== X-IronPort-AV: E=McAfee;i="6800,10657,11598"; a="51562860" X-IronPort-AV: E=Sophos;i="6.19,267,1754982000"; d="scan'208";a="51562860" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Oct 2025 09:33:27 -0700 X-CSE-ConnectionGUID: vGJgC+ZBRsWhb4JiApZMIA== X-CSE-MsgGUID: Yx643wO+Qh66Ig1LvKpb/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,267,1754982000"; d="scan'208";a="185936160" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa007.jf.intel.com with ESMTP; 30 Oct 2025 09:33:25 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1vEVaV-000MDo-2F; Thu, 30 Oct 2025 16:33:23 +0000 Date: Fri, 31 Oct 2025 00:33:10 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [openeuler:OLK-6.6 3064/3064] arch/arm64/kvm/rme.c:553 realm_fold_rtt_level() error: uninitialized symbol 'rtt_granule'. Message-ID: <202510310013.Jtx8d2Tu-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: kernel@openeuler.org TO: Xu Raoqing tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 7f38ece6b510adaa28c8e625ff574fe6357a3960 commit: 4afc6444175955a0d1fb8a01a12ff2ca29191cad [3064/3064] [v8-15-43]arm64: RME: Allow VMM to set RIPAS :::::: branch date: 8 hours ago :::::: commit date: 3 months ago config: arm64-randconfig-r073-20251029 (https://download.01.org/0day-ci/archive/20251031/202510310013.Jtx8d2Tu-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 14.3.0 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202510310013.Jtx8d2Tu-lkp@intel.com/ New smatch warnings: arch/arm64/kvm/rme.c:553 realm_fold_rtt_level() error: uninitialized symbol 'rtt_granule'. Old smatch warnings: arch/arm64/kvm/rme.c:380 realm_create_rd() error: uninitialized symbol 'r'. arch/arm64/kvm/rme.c:384 realm_create_rd() error: uninitialized symbol 'r'. vim +/rtt_granule +553 arch/arm64/kvm/rme.c 2db822cdbd4c9ce Steven Price 2025-06-14 525 4afc6444175955a Steven Price 2025-06-14 526 /* 4afc6444175955a Steven Price 2025-06-14 527 * Returns 0 on successful fold, a negative value on error, a positive value if 4afc6444175955a Steven Price 2025-06-14 528 * we were not able to fold all tables at this level. 4afc6444175955a Steven Price 2025-06-14 529 */ 4afc6444175955a Steven Price 2025-06-14 530 static int realm_fold_rtt_level(struct realm *realm, int level, 4afc6444175955a Steven Price 2025-06-14 531 unsigned long start, unsigned long end) 4afc6444175955a Steven Price 2025-06-14 532 { 4afc6444175955a Steven Price 2025-06-14 533 int not_folded = 0; 4afc6444175955a Steven Price 2025-06-14 534 ssize_t map_size; 4afc6444175955a Steven Price 2025-06-14 535 unsigned long addr, next_addr; 4afc6444175955a Steven Price 2025-06-14 536 4afc6444175955a Steven Price 2025-06-14 537 if (WARN_ON(level > RMM_RTT_MAX_LEVEL)) 4afc6444175955a Steven Price 2025-06-14 538 return -EINVAL; 4afc6444175955a Steven Price 2025-06-14 539 4afc6444175955a Steven Price 2025-06-14 540 map_size = rme_rtt_level_mapsize(level - 1); 4afc6444175955a Steven Price 2025-06-14 541 4afc6444175955a Steven Price 2025-06-14 542 for (addr = start; addr < end; addr = next_addr) { 4afc6444175955a Steven Price 2025-06-14 543 phys_addr_t rtt_granule; 4afc6444175955a Steven Price 2025-06-14 544 int ret; 4afc6444175955a Steven Price 2025-06-14 545 unsigned long align_addr = ALIGN(addr, map_size); 4afc6444175955a Steven Price 2025-06-14 546 4afc6444175955a Steven Price 2025-06-14 547 next_addr = ALIGN(addr + 1, map_size); 4afc6444175955a Steven Price 2025-06-14 548 4afc6444175955a Steven Price 2025-06-14 549 ret = realm_rtt_fold(realm, align_addr, level, &rtt_granule); 4afc6444175955a Steven Price 2025-06-14 550 4afc6444175955a Steven Price 2025-06-14 551 switch (RMI_RETURN_STATUS(ret)) { 4afc6444175955a Steven Price 2025-06-14 552 case RMI_SUCCESS: 4afc6444175955a Steven Price 2025-06-14 @553 free_delegated_granule(rtt_granule); 4afc6444175955a Steven Price 2025-06-14 554 break; 4afc6444175955a Steven Price 2025-06-14 555 case RMI_ERROR_RTT: 4afc6444175955a Steven Price 2025-06-14 556 if (level == RMM_RTT_MAX_LEVEL || 4afc6444175955a Steven Price 2025-06-14 557 RMI_RETURN_INDEX(ret) < level) { 4afc6444175955a Steven Price 2025-06-14 558 not_folded++; 4afc6444175955a Steven Price 2025-06-14 559 break; 4afc6444175955a Steven Price 2025-06-14 560 } 4afc6444175955a Steven Price 2025-06-14 561 /* Recurse a level deeper */ 4afc6444175955a Steven Price 2025-06-14 562 ret = realm_fold_rtt_level(realm, 4afc6444175955a Steven Price 2025-06-14 563 level + 1, 4afc6444175955a Steven Price 2025-06-14 564 addr, 4afc6444175955a Steven Price 2025-06-14 565 next_addr); 4afc6444175955a Steven Price 2025-06-14 566 if (ret < 0) 4afc6444175955a Steven Price 2025-06-14 567 return ret; 4afc6444175955a Steven Price 2025-06-14 568 else if (ret == 0) 4afc6444175955a Steven Price 2025-06-14 569 /* Try again at this level */ 4afc6444175955a Steven Price 2025-06-14 570 next_addr = addr; 4afc6444175955a Steven Price 2025-06-14 571 break; 4afc6444175955a Steven Price 2025-06-14 572 default: 4afc6444175955a Steven Price 2025-06-14 573 WARN_ON(1); 4afc6444175955a Steven Price 2025-06-14 574 return -ENXIO; 4afc6444175955a Steven Price 2025-06-14 575 } 4afc6444175955a Steven Price 2025-06-14 576 } 4afc6444175955a Steven Price 2025-06-14 577 4afc6444175955a Steven Price 2025-06-14 578 return not_folded; 4afc6444175955a Steven Price 2025-06-14 579 } 4afc6444175955a Steven Price 2025-06-14 580 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki