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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EC9BC4332F for ; Sun, 30 Jan 2022 08:54:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354452AbiA3Iyl (ORCPT ); Sun, 30 Jan 2022 03:54:41 -0500 Received: from mga07.intel.com ([134.134.136.100]:10225 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354402AbiA3Iya (ORCPT ); Sun, 30 Jan 2022 03:54:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643532869; x=1675068869; h=date:from:to:cc:subject:message-id:mime-version; bh=Q0NDDtBiEM8z5ti1owuk2Dmv4VzlaMxUi93mnwNgEs4=; b=jUG8svwCgAeKKPzgUmyRLJqT9NQ3lwvyM4MRLTXhxnGepdHNlhN9sxga 17c/5MQSV1zXzs1W3T+8kNhgnjkSklcb+bDXkYgj9nEjqFQXVu6IUKziX ggYJk+uaWtkSovXllnafQ9Nfb/jYNhmYOQeafAf9b6lyCiRJgdKIaUH+y CefLas1DatKfCnUoKXl9ihVtW1ZzV57TFg0LuVhMWqEdKGYd2ZurwRkSF emXQqTzRnpgivBKq3m2ku+rMaBGhXCMzqn1ayA3tMjXEXtNFbz+fIHOQv HOY6/SbCUTXZqT5BBA4SsLyULbE+Os9Kig0yJjrGPJ9EakTkGQocX6Jto A==; X-IronPort-AV: E=McAfee;i="6200,9189,10242"; a="310640866" X-IronPort-AV: E=Sophos;i="5.88,328,1635231600"; d="scan'208";a="310640866" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2022 00:54:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,328,1635231600"; d="scan'208";a="675472668" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 30 Jan 2022 00:54:26 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nE5yc-000QHW-6Z; Sun, 30 Jan 2022 08:54:26 +0000 Date: Sun, 30 Jan 2022 16:53:25 +0800 From: kernel test robot To: Kees Cook Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Marco Elver , Andrew Morton , Linux Memory Management List Subject: arch/s390/lib/spinlock.c:78:3: error: expected absolute expression Message-ID: <202201301448.qXX8mRNr-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f8c7e4ede46fe63ff10000669652648aab09d112 commit: 69d0db01e210e07fe915e5da91b54a867cda040f ubsan: remove CONFIG_UBSAN_OBJECT_SIZE date: 10 days ago config: s390-randconfig-c005-20220130 (https://download.01.org/0day-ci/archive/20220130/202201301448.qXX8mRNr-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 33b45ee44b1f32ffdbc995e6fec806271b4b3ba4) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=69d0db01e210e07fe915e5da91b54a867cda040f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 69d0db01e210e07fe915e5da91b54a867cda040f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): In file included from arch/s390/lib/spinlock.c:17: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from arch/s390/lib/spinlock.c:17: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from arch/s390/lib/spinlock.c:17: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:521:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); ~~~~~~~~~~ ^ include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] readsl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesb(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesw(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] writesl(PCI_IOBASE + addr, buffer, count); ~~~~~~~~~~ ^ >> arch/s390/lib/spinlock.c:78:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if " len " > 254\n" \ ^ :5:5: note: instantiated into assembly here .if 6651b-6641b > 254 ^ >> arch/s390/lib/spinlock.c:78:3: error: cpu alternatives does not support instructions blocks > 254 bytes ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:63:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives does not support instructions " \ ^ :6:2: note: instantiated into assembly here .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ >> arch/s390/lib/spinlock.c:78:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:66:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if (" len ") %% 2\n" \ ^ :8:5: note: instantiated into assembly here .if (6651b-6641b) % 2 ^ >> arch/s390/lib/spinlock.c:78:3: error: cpu alternatives instructions length is odd ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:67:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives instructions length is odd\"\n" \ ^ :9:2: note: instantiated into assembly here .error "cpu alternatives instructions length is odd" ^ >> arch/s390/lib/spinlock.c:78:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:83:2: note: expanded from macro 'OLDINSTR' OLDINSTR_PADDING(oldinstr, num) \ ^ arch/s390/include/asm/alternative.h:71:3: note: expanded from macro 'OLDINSTR_PADDING' ".if " oldinstr_pad_len(num) " > 6\n" \ ^ :15:5: note: instantiated into assembly here .if -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) > 6 ^ >> arch/s390/lib/spinlock.c:78:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:85:2: note: expanded from macro 'OLDINSTR' INSTR_LEN_SANITY_CHECK(oldinstr_len) ^ arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if " len " > 254\n" \ ^ :25:5: note: instantiated into assembly here .if 662b-661b > 254 ^ >> arch/s390/lib/spinlock.c:78:3: error: cpu alternatives does not support instructions blocks > 254 bytes ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:85:2: note: expanded from macro 'OLDINSTR' INSTR_LEN_SANITY_CHECK(oldinstr_len) ^ arch/s390/include/asm/alternative.h:63:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives does not support instructions " \ ^ :26:2: note: instantiated into assembly here .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ >> arch/s390/lib/spinlock.c:78:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:85:2: note: expanded from macro 'OLDINSTR' INSTR_LEN_SANITY_CHECK(oldinstr_len) ^ arch/s390/include/asm/alternative.h:66:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if (" len ") %% 2\n" \ ^ :28:5: note: instantiated into assembly here .if (662b-661b) % 2 ^ >> arch/s390/lib/spinlock.c:78:3: error: cpu alternatives instructions length is odd ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:85:2: note: expanded from macro 'OLDINSTR' INSTR_LEN_SANITY_CHECK(oldinstr_len) ^ arch/s390/include/asm/alternative.h:67:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives instructions length is odd\"\n" \ ^ :29:2: note: instantiated into assembly here .error "cpu alternatives instructions length is odd" ^ arch/s390/lib/spinlock.c:89:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if " len " > 254\n" \ ^ :5:5: note: instantiated into assembly here .if 6651b-6641b > 254 ^ arch/s390/lib/spinlock.c:89:3: error: cpu alternatives does not support instructions blocks > 254 bytes ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:63:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives does not support instructions " \ ^ :6:2: note: instantiated into assembly here .error "cpu alternatives does not support instructions blocks > 254 bytes" ^ arch/s390/lib/spinlock.c:89:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:66:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if (" len ") %% 2\n" \ ^ :8:5: note: instantiated into assembly here .if (6651b-6641b) % 2 ^ arch/s390/lib/spinlock.c:89:3: error: cpu alternatives instructions length is odd ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:111:2: note: expanded from macro 'ALTERNATIVE' ALTINSTR_REPLACEMENT(altinstr, 1) \ ^ arch/s390/include/asm/alternative.h:106:2: note: expanded from macro 'ALTINSTR_REPLACEMENT' INSTR_LEN_SANITY_CHECK(altinstr_len(num)) ^ arch/s390/include/asm/alternative.h:67:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' "\t.error \"cpu alternatives instructions length is odd\"\n" \ ^ :9:2: note: instantiated into assembly here .error "cpu alternatives instructions length is odd" ^ arch/s390/lib/spinlock.c:89:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:83:2: note: expanded from macro 'OLDINSTR' OLDINSTR_PADDING(oldinstr, num) \ ^ arch/s390/include/asm/alternative.h:71:3: note: expanded from macro 'OLDINSTR_PADDING' ".if " oldinstr_pad_len(num) " > 6\n" \ ^ :15:5: note: instantiated into assembly here .if -(((6651b-6641b)-(662b-661b)) > 0) * ((6651b-6641b)-(662b-661b)) > 6 ^ arch/s390/lib/spinlock.c:89:3: error: expected absolute expression ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */ ^ arch/s390/include/asm/alternative.h:113:2: note: expanded from macro 'ALTERNATIVE' OLDINSTR(oldinstr, 1) \ ^ arch/s390/include/asm/alternative.h:85:2: note: expanded from macro 'OLDINSTR' INSTR_LEN_SANITY_CHECK(oldinstr_len) ^ arch/s390/include/asm/alternative.h:62:3: note: expanded from macro 'INSTR_LEN_SANITY_CHECK' ".if " len " > 254\n" \ vim +78 arch/s390/lib/spinlock.c b96f7d881ad942 Martin Schwidefsky 2017-03-24 72 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 73 static inline int arch_load_niai4(int *lock) 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 74 { 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 75 int owner; 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 76 cceb018377a123 Heiko Carstens 2019-10-18 77 asm_inline volatile( f554be42fd0fd8 Vasily Gorbik 2017-10-12 @78 ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */ 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 79 " l %0,%1\n" 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 80 : "=d" (owner) : "Q" (*lock) : "memory"); 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 81 return owner; 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 82 } 7f7e6e28cd3285 Martin Schwidefsky 2017-04-19 83 :::::: The code at line 78 was first introduced by commit :::::: f554be42fd0fd8dd14680c67f2db26b3e7de9670 s390/spinlock: use cpu alternatives to enable niai instruction :::::: TO: Vasily Gorbik :::::: CC: Martin Schwidefsky --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org