From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 7A089389DE6 for ; Thu, 14 May 2026 18:09:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778782162; cv=none; b=VOfLoEcmTofJmqhAxlbkIG+U1eQX5ccjSiAm7/syfMWI73EZieltVq62pPY4xMQuzTSggPaIClWQnSCadV1cGM9Be5ogklTtDQul0kAFuM+YzuoI0znXVzIPk0VYS6tybkbz7LtIm1kQwOQ8o+RQvRseWtvUu0oUR6du+7qVdLA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778782162; c=relaxed/simple; bh=rbSKM37u0zRXPYi5/fg/r5zklwf9wbrLlHx97TTSgGo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pe7rggpge7Lr/kgGHvfGEWPW54P9yHfLRBA09MHxw0YN3TBDwbVo6neUKs3w+IW73YceBmqeyM8mRp1cZWt95tc5T5LU+IQfKdTp9N4DOnUz+gCeA92pHlpctXDDCVmlZqs0ypLd7U/0p7UoJi6OERgcq2TM216uvNucj9eb6ZE= 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=kAVvHtBL; arc=none smtp.client-ip=198.175.65.16 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="kAVvHtBL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778782160; x=1810318160; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=rbSKM37u0zRXPYi5/fg/r5zklwf9wbrLlHx97TTSgGo=; b=kAVvHtBLh56x423O+2Zl7qT//GOaJdSQfQAvbaQydm6w1LCEIHZfXEl8 3XmLjiNSVur/c+ISlFoSaycCyr0wtBchh0EjD1JN1KlBRj4BJcS6UgkTm ULhs6c3o2x9APJAlOsl963uPk31LgcMnS5lsHHRd+q+AbOwx/HUuLr3Tw x1s7I3lqt4AW71Wo9pK2x1TqbL8i/SHLgHmrc1EZN/J72RbrGMKXJPoiT VSihOVwxI+OnbAr0ZQaBP/pcc6Ru06kvG16mARLf4VXoQs2QqcTQfLesl AKwn4MCzC5UnSb540ZSFeqJFpMt2ZcEKGzM6CIEPCuwu9g1C4OuWrHAcQ w==; X-CSE-ConnectionGUID: PvDkKE0CR2WXyITQc3ImBw== X-CSE-MsgGUID: cr25gHK2RuiTzcBUWTG/9w== X-IronPort-AV: E=McAfee;i="6800,10657,11786"; a="79905517" X-IronPort-AV: E=Sophos;i="6.23,235,1770624000"; d="scan'208";a="79905517" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 May 2026 11:09:19 -0700 X-CSE-ConnectionGUID: WSdGSAIwQk6nUDuFec/zdg== X-CSE-MsgGUID: quE3Cu9yTUqFddmt8EaDnQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,235,1770624000"; d="scan'208";a="261979420" Received: from lkp-server01.sh.intel.com (HELO dca79079c3eb) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 14 May 2026 11:09:17 -0700 Received: from kbuild by dca79079c3eb with local (Exim 4.98.2) (envelope-from ) id 1wNaUk-000000006uB-2Qcf; Thu, 14 May 2026 18:09:14 +0000 Date: Fri, 15 May 2026 02:09:03 +0800 From: kernel test robot To: Rik van Riel , Thomas Gleixner Cc: oe-kbuild-all@lists.linux.dev, Ingo Molnar , Borislav Petkov , x86@kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, Dave Hansen , Andy Lutomirski , Xin Li Subject: Re: [PATCH] x86/entry: Read CR2 in asm entry stub to redcue NMI clobbering window Message-ID: <202605150207.pvBEOHK3-lkp@intel.com> References: <20260513121259.0aae7adc@fangorn> 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: <20260513121259.0aae7adc@fangorn> Hi Rik, kernel test robot noticed the following build errors: [auto build test ERROR on tip/master] [also build test ERROR on tip/x86/asm tip/x86/core linus/master v7.1-rc3 next-20260508] [cannot apply to 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/Rik-van-Riel/x86-entry-Read-CR2-in-asm-entry-stub-to-redcue-NMI-clobbering-window/20260514-162554 base: tip/master patch link: https://lore.kernel.org/r/20260513121259.0aae7adc%40fangorn patch subject: [PATCH] x86/entry: Read CR2 in asm entry stub to redcue NMI clobbering window config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20260515/202605150207.pvBEOHK3-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260515/202605150207.pvBEOHK3-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/202605150207.pvBEOHK3-lkp@intel.com/ All errors (new ones prefixed by >>): arch/x86/include/asm/idtentry.h: Assembler messages: >> arch/x86/include/asm/idtentry.h:627: Error: no such instruction: `idtentry_pf 14 asm_exc_page_fault exc_page_fault' vim +627 arch/x86/include/asm/idtentry.h 623 624 /* Raw exception entries which need extra work */ 625 DECLARE_IDTENTRY_RAW(X86_TRAP_UD, exc_invalid_op); 626 DECLARE_IDTENTRY_RAW(X86_TRAP_BP, exc_int3); > 627 DECLARE_IDTENTRY_PF(X86_TRAP_PF, exc_page_fault); 628 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki