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 9A4A9C61D9D for ; Sat, 25 Nov 2023 09:50:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231733AbjKYJuP (ORCPT ); Sat, 25 Nov 2023 04:50:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229483AbjKYJuL (ORCPT ); Sat, 25 Nov 2023 04:50:11 -0500 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43D3210D8 for ; Sat, 25 Nov 2023 01:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700905817; x=1732441817; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=Aqc2go/1I5Lhzy1CTRLHUJ9I76KJLrgIOLwaPYI5Esw=; b=DMgneKbMZGmDv8tPzAjWYoUOiHjbNyhtYp49mWD3tnChMxstfG6YhEJ4 16Zl7N4uaYBR54EgbbFHfvp+Uepa1d5V6Oj2T+OiPz1yqlSniCPWcCKOB Yaj0tU74kGhSn99utlpLmnkj2RWFZd6pK/o57jqxpIVdykQY9biC+5oPI KT+5Hjh7wftKchoIldT5WTedhhOaJXJPXHHsrwiN2Br/MBhJpOZPeucLF Mz3lXyyjMI3OyIL1WDsu8tbJ9Y1KexbfZcjMZQfsc62M/FXmwV5Zub8Tq MzJFdTeVNJnFZsvuPHegsKh2kNyvLcJOD5j+I21jdOG51tE9jw/NR0+3g w==; X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="382908200" X-IronPort-AV: E=Sophos;i="6.04,226,1695711600"; d="scan'208";a="382908200" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2023 01:50:16 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="891256779" X-IronPort-AV: E=Sophos;i="6.04,226,1695711600"; d="scan'208";a="891256779" Received: from lkp-server01.sh.intel.com (HELO d584ee6ebdcc) ([10.239.97.150]) by orsmga004.jf.intel.com with ESMTP; 25 Nov 2023 01:50:13 -0800 Received: from kbuild by d584ee6ebdcc with local (Exim 4.96) (envelope-from ) id 1r6pIg-0003r8-2R; Sat, 25 Nov 2023 09:50:10 +0000 Date: Sat, 25 Nov 2023 17:49:25 +0800 From: kernel test robot To: guoren@kernel.org, mark.rutland@arm.com, peterz@infradead.org, keescook@chromium.org, paulmck@kernel.org, ubizjak@gmail.com, tglx@linutronix.de Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Guo Ren Subject: Re: [PATCH V2] locking/atomic: scripts: Increase template priority in order variants Message-ID: <202311251751.UOK2L2UW-lkp@intel.com> References: <20231125013025.3620560-1-guoren@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231125013025.3620560-1-guoren@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, kernel test robot noticed the following build warnings: [auto build test WARNING on kees/for-next/pstore] [also build test WARNING on kees/for-next/kspp] [cannot apply to linus/master v6.7-rc2 next-20231124] [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/guoren-kernel-org/locking-atomic-scripts-Increase-template-priority-in-order-variants/20231125-093207 base: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/pstore patch link: https://lore.kernel.org/r/20231125013025.3620560-1-guoren%40kernel.org patch subject: [PATCH V2] locking/atomic: scripts: Increase template priority in order variants config: i386-buildonly-randconfig-002-20231125 (https://download.01.org/0day-ci/archive/20231125/202311251751.UOK2L2UW-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231125/202311251751.UOK2L2UW-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/202311251751.UOK2L2UW-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/atomic.h:8, from include/linux/atomic.h:7, from include/linux/jump_label.h:255, from include/linux/static_key.h:1, from arch/x86/include/asm/nospec-branch.h:6, from arch/x86/include/asm/paravirt_types.h:27, from arch/x86/include/asm/ptrace.h:97, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from arch/x86/include/asm/timex.h:5, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from include/linux/compat.h:10, from kernel/futex/core.c:34: arch/x86/include/asm/cmpxchg.h: In function 'raw_atomic64_cmpxchg_relaxed': >> arch/x86/include/asm/cmpxchg.h:130:9: warning: '__ret' is used uninitialized [-Wuninitialized] 130 | __ret; \ | ^~~~~ arch/x86/include/asm/cmpxchg.h:87:28: note: '__ret' was declared here 87 | __typeof__(*(ptr)) __ret; \ | ^~~~~ arch/x86/include/asm/cmpxchg.h:134:9: note: in expansion of macro '__raw_cmpxchg' 134 | __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) | ^~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:149:9: note: in expansion of macro '__cmpxchg' 149 | __cmpxchg(ptr, old, new, sizeof(*(ptr))) | ^~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:91:29: note: in expansion of macro 'arch_cmpxchg' 91 | #define raw_cmpxchg_relaxed arch_cmpxchg | ^~~~~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:4107:16: note: in expansion of macro 'raw_cmpxchg_relaxed' 4107 | return raw_cmpxchg_relaxed(&v->counter, old, new); | ^~~~~~~~~~~~~~~~~~~ In function 'raw_atomic64_cmpxchg_relaxed', inlined from 'atomic64_cmpxchg_relaxed' at include/linux/atomic/atomic-instrumented.h:2817:9, inlined from 'get_inode_sequence_number' at kernel/futex/core.c:186:9, inlined from 'get_futex_key' at kernel/futex/core.c:387:23: arch/x86/include/asm/cmpxchg.h:128:17: error: call to '__cmpxchg_wrong_size' declared with attribute error: Bad argument size for cmpxchg 128 | __cmpxchg_wrong_size(); \ | ^~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:134:9: note: in expansion of macro '__raw_cmpxchg' 134 | __raw_cmpxchg((ptr), (old), (new), (size), LOCK_PREFIX) | ^~~~~~~~~~~~~ arch/x86/include/asm/cmpxchg.h:149:9: note: in expansion of macro '__cmpxchg' 149 | __cmpxchg(ptr, old, new, sizeof(*(ptr))) | ^~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:91:29: note: in expansion of macro 'arch_cmpxchg' 91 | #define raw_cmpxchg_relaxed arch_cmpxchg | ^~~~~~~~~~~~ include/linux/atomic/atomic-arch-fallback.h:4107:16: note: in expansion of macro 'raw_cmpxchg_relaxed' 4107 | return raw_cmpxchg_relaxed(&v->counter, old, new); | ^~~~~~~~~~~~~~~~~~~ vim +/__ret +130 arch/x86/include/asm/cmpxchg.h e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 79 e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 80 /* e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 81 * Atomic compare and exchange. Compare OLD with MEM, if identical, e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 82 * store NEW in MEM. Return the initial value in MEM. Success is e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 83 * indicated by comparing RETURN with OLD. e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 84 */ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 85 #define __raw_cmpxchg(ptr, old, new, size, lock) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 86 ({ \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 87 __typeof__(*(ptr)) __ret; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 88 __typeof__(*(ptr)) __old = (old); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 89 __typeof__(*(ptr)) __new = (new); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 90 switch (size) { \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 91 case __X86_CASE_B: \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 92 { \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 93 volatile u8 *__ptr = (volatile u8 *)(ptr); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 94 asm volatile(lock "cmpxchgb %2,%1" \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 95 : "=a" (__ret), "+m" (*__ptr) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 96 : "q" (__new), "0" (__old) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 97 : "memory"); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 98 break; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 99 } \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 100 case __X86_CASE_W: \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 101 { \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 102 volatile u16 *__ptr = (volatile u16 *)(ptr); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 103 asm volatile(lock "cmpxchgw %2,%1" \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 104 : "=a" (__ret), "+m" (*__ptr) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 105 : "r" (__new), "0" (__old) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 106 : "memory"); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 107 break; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 108 } \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 109 case __X86_CASE_L: \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 110 { \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 111 volatile u32 *__ptr = (volatile u32 *)(ptr); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 112 asm volatile(lock "cmpxchgl %2,%1" \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 113 : "=a" (__ret), "+m" (*__ptr) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 114 : "r" (__new), "0" (__old) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 115 : "memory"); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 116 break; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 117 } \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 118 case __X86_CASE_Q: \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 119 { \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 120 volatile u64 *__ptr = (volatile u64 *)(ptr); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 121 asm volatile(lock "cmpxchgq %2,%1" \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 122 : "=a" (__ret), "+m" (*__ptr) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 123 : "r" (__new), "0" (__old) \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 124 : "memory"); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 125 break; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 126 } \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 127 default: \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 128 __cmpxchg_wrong_size(); \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 129 } \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 @130 __ret; \ e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 131 }) e9826380d83d1b Jeremy Fitzhardinge 2011-08-18 132 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki