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 47A76E75433 for ; Tue, 3 Oct 2023 07:53:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230495AbjJCHxo (ORCPT ); Tue, 3 Oct 2023 03:53:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45724 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230237AbjJCHxm (ORCPT ); Tue, 3 Oct 2023 03:53:42 -0400 Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE3DE90; Tue, 3 Oct 2023 00:53:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1696319618; x=1727855618; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=cn4FFoJx/oeaBVpP42T/THT0z776pI2L6x7rZsA/yMk=; b=R8qQzYxcoOD/JF6DBhcMuT7s8uQGzY/fmI6ovHem7yXduMaMNBzCOnNo 001C95ziLEMpzaG5J1H8tGJin2KoqHYz1N9zq7zgU1G43gPd/WX5ygZy8 vSg+U2fW6AnAXMNNHI/YF1ZC2yB+DM6HFpRsPMdQJ7lvva+j7OqPyZdn7 +y7wLBTUTNXl6UZSbiG50Ug7z6bQU7Gt1QXYLz9SBj+IKxYqO5KVd6e11 +kuKvYXt6r1s5XWVmnhIm4G8ODwJxjiKf1eE5MPH2Epyp8i86rWuhsxtu rQ+jqLTMr9d38bUSaT1d8sBJNbIfirberv1j8QOt496EeaisuhY0gecEr A==; X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="385639767" X-IronPort-AV: E=Sophos;i="6.03,196,1694761200"; d="scan'208";a="385639767" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Oct 2023 00:53:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10851"; a="754323419" X-IronPort-AV: E=Sophos;i="6.03,196,1694761200"; d="scan'208";a="754323419" Received: from lkp-server02.sh.intel.com (HELO c3b01524d57c) ([10.239.97.151]) by fmsmga007.fm.intel.com with ESMTP; 03 Oct 2023 00:52:57 -0700 Received: from kbuild by c3b01524d57c with local (Exim 4.96) (envelope-from ) id 1qnaD7-0006tx-2G; Tue, 03 Oct 2023 07:52:54 +0000 Date: Tue, 3 Oct 2023 15:52:46 +0800 From: kernel test robot To: Alexandre Ghiti , Ryan Roberts , Alexander Potapenko , Marco Elver , Dmitry Vyukov , Paul Walmsley , Palmer Dabbelt , Albert Ou , Anup Patel , Atish Patra , Ard Biesheuvel , Andrey Ryabinin , Andrey Konovalov , Vincenzo Frascino , kasan-dev@googlegroups.com, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-efi@vger.kernel.org, linux-mm@kvack.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Alexandre Ghiti Subject: Re: [PATCH 2/5] mm: Introduce pudp/p4dp/pgdp_get() functions Message-ID: <202310031548.53wZmUUH-lkp@intel.com> References: <20231002151031.110551-3-alexghiti@rivosinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231002151031.110551-3-alexghiti@rivosinc.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi Alexandre, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.6-rc4 next-20231003] [cannot apply to efi/next] [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/Alexandre-Ghiti/riscv-Use-WRITE_ONCE-when-setting-page-table-entries/20231002-231725 base: linus/master patch link: https://lore.kernel.org/r/20231002151031.110551-3-alexghiti%40rivosinc.com patch subject: [PATCH 2/5] mm: Introduce pudp/p4dp/pgdp_get() functions config: arm-moxart_defconfig (https://download.01.org/0day-ci/archive/20231003/202310031548.53wZmUUH-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231003/202310031548.53wZmUUH-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/202310031548.53wZmUUH-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:29: >> include/linux/pgtable.h:310:29: error: function cannot return array type 'pgd_t' (aka 'unsigned int[2]') 310 | static inline pgd_t pgdp_get(pgd_t *pgdp) | ^ >> include/linux/pgtable.h:312:9: error: incompatible pointer to integer conversion returning 'const volatile pmdval_t *' (aka 'const volatile unsigned int *') from a function with result type 'int' [-Wint-conversion] 312 | return READ_ONCE(*pgdp); | ^~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:47:28: note: expanded from macro 'READ_ONCE' 47 | #define READ_ONCE(x) \ | ^ 48 | ({ \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 49 | compiletime_assert_rwonce_type(x); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 50 | __READ_ONCE(x); \ | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 51 | }) | ~~ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 97 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:97:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[2]') [-Warray-bounds] 97 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:11: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 113 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:113:27: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 113 | return (set1->sig[3] == set2->sig[3]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:5: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | (set1->sig[2] == set2->sig[2]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:114:21: warning: array index 2 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 114 | (set1->sig[2] == set2->sig[2]) && | ^ ~ arch/arm/include/asm/signal.h:17:2: note: array 'sig' declared here 17 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/arm/kernel/asm-offsets.c:12: In file included from include/linux/mm.h:1075: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:156:1: warning: array index 3 is past the end of the array (that has type 'const unsigned long[2]') [-Warray-bounds] 156 | _SIG_SET_BINOP(sigorsets, _sig_or) vim +310 include/linux/pgtable.h 308 309 #ifndef pgdp_get > 310 static inline pgd_t pgdp_get(pgd_t *pgdp) 311 { > 312 return READ_ONCE(*pgdp); 313 } 314 #endif 315 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki