From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9932FC19F32 for ; Wed, 5 Mar 2025 16:04:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2JyH2l8AJyXXGwC7HNKWIPV6u4cJc7+mq6nZIX3qxvQ=; b=2Heagc/CGH3iwf0xpcYT02xiF5 /bF5s44mth7mHSr18tfL0ndEy5UxY4vNDVqZKLTJx0Yx59OnT5JuCqReBSgMmfadD/n/4+XIEO0j+ HgST+6pv2nSYatDj/4YGwfymqyOyAfN1DdggovTE23bS/9vDFuRJbgHb0cFzZ7XX96NgFMZnoluLJ sYGFPm/bfgpZUZoI8Hk3A1umPjMZZEtu4HDw5A9hgNfCnXEswje1aZrJQjq027boAIxO0bhbzXeoN m6YAkjB+4Jd8BQK0PHsQRcSlxY1zMca+nXWH5pM1swoJMrNrVixP41bUtOkCv/q/hg4mWyoQrfeQo 2baqNSiQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tprDz-00000008bYI-2BwI; Wed, 05 Mar 2025 16:03:59 +0000 Received: from mgamail.intel.com ([192.198.163.8]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tprAZ-00000008alm-4Bxb for linux-arm-kernel@lists.infradead.org; Wed, 05 Mar 2025 16:00:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741190428; x=1772726428; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=+ejXxKQV90DW4dp+iOv5aIiKOpBAg3qGk/MHrDfxAI8=; b=iG1YfyR0ZkG04jTh7X3Apb8k/RTwcpNr1za+tnDKUGhotkRdUjt3kg/K T4If8os8Af1sSoSIdkZ+KLm3h+0qR/ANorMSII+CI2x45tCIHlYp4oZxJ /l4gU3oQyhDMMm+YCq2CwV6JRf2LbG2BKw9YYxkpqRJehEmNRi6DgXviM p9isYMGKsD/PRg52/Tt6PTzJ0kheA1sm5UvKBPx38Fio0AM/bWvMyHw0N hglGHHfir70S5zhWDds95FZWjPGfQAoK6Co9fp4irteJQwvb9CE1yQv0Y LjkxqmL8++C5WjOO596jKoZjgZ4i7FZn09IoJz6rDw2CsfbmaYq4erobZ A==; X-CSE-ConnectionGUID: /3hD47LwTIK1f+RXmAFGCA== X-CSE-MsgGUID: wnhFFZSWT+aVDn3iQEmCfw== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="59707252" X-IronPort-AV: E=Sophos;i="6.14,223,1736841600"; d="scan'208";a="59707252" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 08:00:27 -0800 X-CSE-ConnectionGUID: hjYKjvcmR5utfjW6V3Dwbg== X-CSE-MsgGUID: kLV+FyYORG66FQT1ByJXBA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="118650255" Received: from lkp-server02.sh.intel.com (HELO 76cde6cc1f07) ([10.239.97.151]) by orviesa010.jf.intel.com with ESMTP; 05 Mar 2025 08:00:22 -0800 Received: from kbuild by 76cde6cc1f07 with local (Exim 4.96) (envelope-from ) id 1tprAS-000LBm-0Y; Wed, 05 Mar 2025 16:00:20 +0000 Date: Thu, 6 Mar 2025 00:00:01 +0800 From: kernel test robot To: Ryan Roberts , Catalin Marinas , Will Deacon , Pasha Tatashin , Andrew Morton , Uladzislau Rezki , Christoph Hellwig , David Hildenbrand , "Matthew Wilcox (Oracle)" , Mark Rutland , Anshuman Khandual , Alexandre Ghiti , Kevin Brodsky Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Ryan Roberts , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 05/11] arm64: hugetlb: Use set_ptes_anysz() and ptep_get_and_clear_anysz() Message-ID: <202503052315.vk7m958M-lkp@intel.com> References: <20250304150444.3788920-6-ryan.roberts@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250304150444.3788920-6-ryan.roberts@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250305_080028_050707_03CA4B10 X-CRM114-Status: GOOD ( 15.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Ryan, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.14-rc5 next-20250305] [cannot apply to arm64/for-next/core akpm-mm/mm-everything arm-perf/for-next/perf] [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/Ryan-Roberts/arm64-hugetlb-Cleanup-huge_pte-size-discovery-mechanisms/20250304-230647 base: linus/master patch link: https://lore.kernel.org/r/20250304150444.3788920-6-ryan.roberts%40arm.com patch subject: [PATCH v3 05/11] arm64: hugetlb: Use set_ptes_anysz() and ptep_get_and_clear_anysz() config: arm64-randconfig-003-20250305 (https://download.01.org/0day-ci/archive/20250305/202503052315.vk7m958M-lkp@intel.com/config) compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 14170b16028c087ca154878f5ed93d3089a965c6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250305/202503052315.vk7m958M-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/202503052315.vk7m958M-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/arm64/mm/hugetlbpage.c:12: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> arch/arm64/mm/hugetlbpage.c:154:23: warning: parameter 'addr' set but not used [-Wunused-but-set-parameter] 154 | unsigned long addr, | ^ 3 warnings generated. vim +/addr +154 arch/arm64/mm/hugetlbpage.c bc5dfb4fd7bd471 Baolin Wang 2022-05-16 144 d8bdcff2876424d Steve Capper 2017-08-22 145 /* d8bdcff2876424d Steve Capper 2017-08-22 146 * Changing some bits of contiguous entries requires us to follow a d8bdcff2876424d Steve Capper 2017-08-22 147 * Break-Before-Make approach, breaking the whole contiguous set d8bdcff2876424d Steve Capper 2017-08-22 148 * before we can change any entries. See ARM DDI 0487A.k_iss10775, d8bdcff2876424d Steve Capper 2017-08-22 149 * "Misprogramming of the Contiguous bit", page D4-1762. d8bdcff2876424d Steve Capper 2017-08-22 150 * d8bdcff2876424d Steve Capper 2017-08-22 151 * This helper performs the break step. d8bdcff2876424d Steve Capper 2017-08-22 152 */ fb396bb459c1fa3 Anshuman Khandual 2022-05-10 153 static pte_t get_clear_contig(struct mm_struct *mm, d8bdcff2876424d Steve Capper 2017-08-22 @154 unsigned long addr, d8bdcff2876424d Steve Capper 2017-08-22 155 pte_t *ptep, d8bdcff2876424d Steve Capper 2017-08-22 156 unsigned long pgsize, d8bdcff2876424d Steve Capper 2017-08-22 157 unsigned long ncontig) d8bdcff2876424d Steve Capper 2017-08-22 158 { 49c87f7677746f3 Ryan Roberts 2025-02-26 159 pte_t pte, tmp_pte; 49c87f7677746f3 Ryan Roberts 2025-02-26 160 bool present; 49c87f7677746f3 Ryan Roberts 2025-02-26 161 66251d3eadf78e2 Ryan Roberts 2025-03-04 162 pte = ptep_get_and_clear_anysz(mm, ptep, pgsize); 49c87f7677746f3 Ryan Roberts 2025-02-26 163 present = pte_present(pte); 49c87f7677746f3 Ryan Roberts 2025-02-26 164 while (--ncontig) { 49c87f7677746f3 Ryan Roberts 2025-02-26 165 ptep++; 49c87f7677746f3 Ryan Roberts 2025-02-26 166 addr += pgsize; 66251d3eadf78e2 Ryan Roberts 2025-03-04 167 tmp_pte = ptep_get_and_clear_anysz(mm, ptep, pgsize); 49c87f7677746f3 Ryan Roberts 2025-02-26 168 if (present) { 49c87f7677746f3 Ryan Roberts 2025-02-26 169 if (pte_dirty(tmp_pte)) 49c87f7677746f3 Ryan Roberts 2025-02-26 170 pte = pte_mkdirty(pte); 49c87f7677746f3 Ryan Roberts 2025-02-26 171 if (pte_young(tmp_pte)) 49c87f7677746f3 Ryan Roberts 2025-02-26 172 pte = pte_mkyoung(pte); d8bdcff2876424d Steve Capper 2017-08-22 173 } 49c87f7677746f3 Ryan Roberts 2025-02-26 174 } 49c87f7677746f3 Ryan Roberts 2025-02-26 175 return pte; d8bdcff2876424d Steve Capper 2017-08-22 176 } d8bdcff2876424d Steve Capper 2017-08-22 177 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki