From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 3DD323AC1C; Sat, 11 Oct 2025 01:12:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760145175; cv=none; b=Up/AoV8H1j1TN5bap+7A0BHwc10VuoTAUSfRlJL06ll3Ig3AXYwPJHeexhXPt1rGoCInah8Lhgy+JdM4+zsCvd3t2rBuczuhitI65w6fGSNULwPtYWO7vTM187JWeLc4NT1z3tbHH//qHGl35PDUf6+QPVBzF4OOu67vinMXdiY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760145175; c=relaxed/simple; bh=2yr4MNhJ2DynXk5xGVrSco7oWPHvtBHXmPYgMBX2uoQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=a1KTyF5Uxly0g1D+pj+qGR2b9iGierBXKQuEIggtHNEbt8hGA4BloIawrxo5A2hUXb7LgQpjIivho29FhkaE3oNXLtuTHR8C3+rv+G/GzfMIvzwpvDI0oChPB2jRoMGNa1DiXwGrmOKdKH8PcLKCjIiNhriG9MS4Rmv86f1fG7E= 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=feGZXzzh; arc=none smtp.client-ip=192.198.163.12 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="feGZXzzh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760145173; x=1791681173; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=2yr4MNhJ2DynXk5xGVrSco7oWPHvtBHXmPYgMBX2uoQ=; b=feGZXzzh84IFy8Hua8CXL7LJ9g9eEZgh0fNSM0pd4Jy9LYnnPWZU9nCn pvGjv1Al2IEsTDm99GrlZwItgvtJrhaALh2i03KQonAzbdFHV5BgFOi0t 31Himo8XHX33zwg0eDoM5Z83Qp+da2VNJ0itc5Q6Ia9vyerKUWPasMV5p AVWzp5contqCtgPBTiBWubVHTjqJtjl1j5roGREKVweN+TEwjXCQBrxVj JlkEjfgMZStjy91RB7RuT1DHZqNQppcf3ijqcaZbwWsd7TM2xs/vwUSqB LTZDTZ4OaE48q3FbjUmFpdb/sOWS/W9982qj8rLJuvS0H3TtG529ZlWvG g==; X-CSE-ConnectionGUID: 3ln4uwltREuFYEhNkPQShg== X-CSE-MsgGUID: 5X6D37QNSJKfNzsTZPxZYw== X-IronPort-AV: E=McAfee;i="6800,10657,11578"; a="66220392" X-IronPort-AV: E=Sophos;i="6.19,220,1754982000"; d="scan'208";a="66220392" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Oct 2025 18:12:53 -0700 X-CSE-ConnectionGUID: Q4dkzTb3TSyEga/NA6ryLw== X-CSE-MsgGUID: nAR+8PPyQLGUmxA+UFQIdA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,220,1754982000"; d="scan'208";a="204783188" Received: from lkp-server01.sh.intel.com (HELO 6a630e8620ab) ([10.239.97.150]) by fmviesa002.fm.intel.com with ESMTP; 10 Oct 2025 18:12:50 -0700 Received: from kbuild by 6a630e8620ab with local (Exim 4.96) (envelope-from ) id 1v7OAC-0003Mt-0x; Sat, 11 Oct 2025 01:12:48 +0000 Date: Sat, 11 Oct 2025 09:12:24 +0800 From: kernel test robot To: Stanislav Kinsburskii , kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 5/5] Drivers: hv: Add support for movable memory regions Message-ID: <202510110819.km2ehSaB-lkp@intel.com> References: <175976319844.16834.4747024333732752980.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> Precedence: bulk X-Mailing-List: linux-hyperv@vger.kernel.org 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: <175976319844.16834.4747024333732752980.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net> Hi Stanislav, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on next-20251010] [cannot apply to v6.17] [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/Stanislav-Kinsburskii/Drivers-hv-Refactor-and-rename-memory-region-handling-functions/20251010-111917 base: linus/master patch link: https://lore.kernel.org/r/175976319844.16834.4747024333732752980.stgit%40skinsburskii-cloud-desktop.internal.cloudapp.net patch subject: [PATCH v4 5/5] Drivers: hv: Add support for movable memory regions config: x86_64-buildonly-randconfig-001-20251011 (https://download.01.org/0day-ci/archive/20251011/202510110819.km2ehSaB-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/20251011/202510110819.km2ehSaB-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/202510110819.km2ehSaB-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/hmm.c:667:7: error: call to undeclared function 'mmu_interval_check_retry'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 667 | if (mmu_interval_check_retry(range->notifier, | ^ 1 error generated. vim +/mmu_interval_check_retry +667 mm/hmm.c 7b86ac3371b70c3 Christoph Hellwig 2019-08-28 634 9a4903e49e495bf Christoph Hellwig 2019-07-25 635 /** 9a4903e49e495bf Christoph Hellwig 2019-07-25 636 * hmm_range_fault - try to fault some address in a virtual address range f970b977e068aa5 Jason Gunthorpe 2020-03-27 637 * @range: argument structure 9a4903e49e495bf Christoph Hellwig 2019-07-25 638 * be957c886d92aa9 Jason Gunthorpe 2020-05-01 639 * Returns 0 on success or one of the following error codes: 73231612dc7c907 Jérôme Glisse 2019-05-13 640 * 9a4903e49e495bf Christoph Hellwig 2019-07-25 641 * -EINVAL: Invalid arguments or mm or virtual address is in an invalid vma 9a4903e49e495bf Christoph Hellwig 2019-07-25 642 * (e.g., device file vma). 73231612dc7c907 Jérôme Glisse 2019-05-13 643 * -ENOMEM: Out of memory. 9a4903e49e495bf Christoph Hellwig 2019-07-25 644 * -EPERM: Invalid permission (e.g., asking for write and range is read 9a4903e49e495bf Christoph Hellwig 2019-07-25 645 * only). 9a4903e49e495bf Christoph Hellwig 2019-07-25 646 * -EBUSY: The range has been invalidated and the caller needs to wait for 9a4903e49e495bf Christoph Hellwig 2019-07-25 647 * the invalidation to finish. f970b977e068aa5 Jason Gunthorpe 2020-03-27 648 * -EFAULT: A page was requested to be valid and could not be made valid f970b977e068aa5 Jason Gunthorpe 2020-03-27 649 * ie it has no backing VMA or it is illegal to access 74eee180b935fcb Jérôme Glisse 2017-09-08 650 * f970b977e068aa5 Jason Gunthorpe 2020-03-27 651 * This is similar to get_user_pages(), except that it can read the page tables f970b977e068aa5 Jason Gunthorpe 2020-03-27 652 * without mutating them (ie causing faults). 74eee180b935fcb Jérôme Glisse 2017-09-08 653 */ be957c886d92aa9 Jason Gunthorpe 2020-05-01 654 int hmm_range_fault(struct hmm_range *range) 74eee180b935fcb Jérôme Glisse 2017-09-08 655 { d28c2c9a487708b Ralph Campbell 2019-11-04 656 struct hmm_vma_walk hmm_vma_walk = { d28c2c9a487708b Ralph Campbell 2019-11-04 657 .range = range, d28c2c9a487708b Ralph Campbell 2019-11-04 658 .last = range->start, d28c2c9a487708b Ralph Campbell 2019-11-04 659 }; a22dd506400d0f4 Jason Gunthorpe 2019-11-12 660 struct mm_struct *mm = range->notifier->mm; 74eee180b935fcb Jérôme Glisse 2017-09-08 661 int ret; 74eee180b935fcb Jérôme Glisse 2017-09-08 662 42fc541404f2497 Michel Lespinasse 2020-06-08 663 mmap_assert_locked(mm); 74eee180b935fcb Jérôme Glisse 2017-09-08 664 a3e0d41c2b1f86b Jérôme Glisse 2019-05-13 665 do { a3e0d41c2b1f86b Jérôme Glisse 2019-05-13 666 /* If range is no longer valid force retry. */ a22dd506400d0f4 Jason Gunthorpe 2019-11-12 @667 if (mmu_interval_check_retry(range->notifier, a22dd506400d0f4 Jason Gunthorpe 2019-11-12 668 range->notifier_seq)) 2bcbeaefde2f038 Christoph Hellwig 2019-07-24 669 return -EBUSY; d28c2c9a487708b Ralph Campbell 2019-11-04 670 ret = walk_page_range(mm, hmm_vma_walk.last, range->end, 7b86ac3371b70c3 Christoph Hellwig 2019-08-28 671 &hmm_walk_ops, &hmm_vma_walk); be957c886d92aa9 Jason Gunthorpe 2020-05-01 672 /* be957c886d92aa9 Jason Gunthorpe 2020-05-01 673 * When -EBUSY is returned the loop restarts with be957c886d92aa9 Jason Gunthorpe 2020-05-01 674 * hmm_vma_walk.last set to an address that has not been stored be957c886d92aa9 Jason Gunthorpe 2020-05-01 675 * in pfns. All entries < last in the pfn array are set to their be957c886d92aa9 Jason Gunthorpe 2020-05-01 676 * output, and all >= are still at their input values. be957c886d92aa9 Jason Gunthorpe 2020-05-01 677 */ d28c2c9a487708b Ralph Campbell 2019-11-04 678 } while (ret == -EBUSY); 73231612dc7c907 Jérôme Glisse 2019-05-13 679 return ret; 74eee180b935fcb Jérôme Glisse 2017-09-08 680 } 73231612dc7c907 Jérôme Glisse 2019-05-13 681 EXPORT_SYMBOL(hmm_range_fault); 8cad47130566123 Leon Romanovsky 2025-04-28 682 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki