From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 739BBEEAB for ; Thu, 25 Sep 2025 00:35:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758760550; cv=none; b=u5o46vXvz6fY5/KCnIBWa5qXYnqsME5Ilqsgqy5tuG3wjp2hN80b2aWEUPtCs38OII7Gv18Tg9Pvu+2//Z78JN5vDEj+K2Gf71/9QHsKPAOeddHyQjayHC/3JEzumsJUTQJtbMxgzTZA6TLtj2iYoZ27h8omj5WhLyMCri2DhV0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758760550; c=relaxed/simple; bh=wwHm366pY8r67zVvOCMXQWZCZTQihKolOw085KqBKGE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Kx8xEAntzK4pa4wEtBSiEcCpiVn3KYArvBE2kg/ks6dz0qGI41jtc4IOHApyrW73o2s1eflBOAy7B/nrXjpE/c86/JhJgwhwVme1Hf2yw1PvlAputrDhLmYgUCdyRzo+eIrLBGF8rNXJrHs/zro0M7AlTKNm2rj+j/ILUDRcDrs= 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=dcQ4EDsq; arc=none smtp.client-ip=192.198.163.8 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="dcQ4EDsq" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758760549; x=1790296549; h=date:from:to:cc:subject:message-id:mime-version; bh=wwHm366pY8r67zVvOCMXQWZCZTQihKolOw085KqBKGE=; b=dcQ4EDsqB3e3JKdz0NkU/n/ssvl0KKi3/DEsXJUrsajLXIdWEd+sqkPy dAv/prbfj0+qpCJhJECxxum1WDeKk6TP1jyR53hel686CDs1rDwI3fevw lvH+zU/zQq34kH2ap0uqvaWZrjaaBHOJ9u77jfbpd91X7ctpOpBGfXWl2 i3zctDLJ+qCo2BlFW1ALNv/e500yi+7lidpd1H68GX0BFm8YjHqhKiwDg jplZnBtb/jCj4oNxnYgoD1Ood+VaFF2mgSlnaAQUJaHbYalNodiRDnRuq kjKMEX14YkVdPk4gChD7HDcQEUbFSVyWhveKFWUZjSs4WnpqaJPCLRIBq Q==; X-CSE-ConnectionGUID: RYBZnerbSUan8GZv3XeSrg== X-CSE-MsgGUID: x/7Fpi1GQ7ehgPUrTGe+vA== X-IronPort-AV: E=McAfee;i="6800,10657,11563"; a="78708470" X-IronPort-AV: E=Sophos;i="6.18,291,1751266800"; d="scan'208";a="78708470" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Sep 2025 17:35:48 -0700 X-CSE-ConnectionGUID: zqQ8mDPwRTyIHPJzZQFGlw== X-CSE-MsgGUID: vP064StCTfiqqNJU9oeQIQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,291,1751266800"; d="scan'208";a="214309636" Received: from lkp-server02.sh.intel.com (HELO 84c55410ccf6) ([10.239.97.151]) by orviesa001.jf.intel.com with ESMTP; 24 Sep 2025 17:35:45 -0700 Received: from kbuild by 84c55410ccf6 with local (Exim 4.96) (envelope-from ) id 1v1ZxX-0004kZ-1f; Thu, 25 Sep 2025 00:35:43 +0000 Date: Thu, 25 Sep 2025 08:34:46 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: error: :0:0: ran out of registers during register allocation in function 'hv_apicid_to_vp_index' Message-ID: <202509250820.EexpIhk8-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 :::::: :::::: Manual check reason: "CONFIG_MATOM=y does not really work well with clang on i386" :::::: BCC: lkp@intel.com CC: llvm@lists.linux.dev CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Roman Kisel CC: Wei Liu CC: Michael Kelley Hi Roman, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d0ca0df179c4b21e2a6c4a4fb637aa8fa14575cb commit: 86c48271e0d60c82665e9fd61277002391efcef7 x86/hyperv: Fix APIC ID and VP index confusion in hv_snp_boot_ap() date: 4 months ago :::::: branch date: 3 hours ago :::::: commit date: 4 months ago config: i386-buildonly-randconfig-005-20250925 (https://download.01.org/0day-ci/archive/20250925/202509250820.EexpIhk8-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250925/202509250820.EexpIhk8-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/r/202509250820.EexpIhk8-lkp@intel.com/ All errors (new ones prefixed by >>): >> error: :0:0: ran out of registers during register allocation in function 'hv_apicid_to_vp_index' 1 error generated. -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki