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X-CSE-ConnectionGUID: aTFdVeG0SH61UvTu3uBWEA== X-CSE-MsgGUID: /lw0rqTzQeujh5gNlzVtQg== X-IronPort-AV: E=McAfee;i="6700,10204,11231"; a="28833713" X-IronPort-AV: E=Sophos;i="6.11,220,1725346800"; d="scan'208";a="28833713" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Oct 2024 22:21:43 -0700 X-CSE-ConnectionGUID: LM+t/DnkRw+QPEOlzqu04w== X-CSE-MsgGUID: HhkjWgApRV6yHI6Wv060dA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,220,1725346800"; d="scan'208";a="110256112" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa002.jf.intel.com with ESMTP; 20 Oct 2024 22:21:42 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t2krL-000RDg-1m; Mon, 21 Oct 2024 05:21:39 +0000 Date: Mon, 21 Oct 2024 13:21:25 +0800 From: kernel test robot To: Josh Poimboeuf Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [jpoimboe:sframe-2.2 3/9] mm/init-mm.c:45:26: error: expected expression Message-ID: <202410211309.narb075Z-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git sframe-2.2 head: 757574ba1822accfdae6ec405421f5e2df48fe52 commit: c689ba830937835b9098f0cd4d6cfeece2e8f71d [3/9] unwind: Introduce sframe userspace unwinding config: s390-allnoconfig (https://download.01.org/0day-ci/archive/20241021/202410211309.narb075Z-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project bfe84f7085d82d06d61c632a7bad1e692fd159e4) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241021/202410211309.narb075Z-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/202410211309.narb075Z-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from mm/init-mm.c:8: In file included from include/linux/mman.h:5: In file included from include/linux/mm.h:2232: include/linux/vmstat.h:517:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 517 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from mm/init-mm.c:13: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | 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' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from mm/init-mm.c:13: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | 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' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from mm/init-mm.c:13: In file included from include/linux/iommu.h:10: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> mm/init-mm.c:45:26: error: expected expression 45 | INIT_MM_CONTEXT(init_mm), | ^ 13 warnings and 1 error generated. vim +45 mm/init-mm.c 18 19 /* 20 * For dynamically allocated mm_structs, there is a dynamically sized cpumask 21 * at the end of the structure, the size of which depends on the maximum CPU 22 * number the system can see. That way we allocate only as much memory for 23 * mm_cpumask() as needed for the hundreds, or thousands of processes that 24 * a system typically runs. 25 * 26 * Since there is only one init_mm in the entire system, keep it simple 27 * and size this cpu_bitmask to NR_CPUS. 28 */ 29 struct mm_struct init_mm = { 30 .mm_mt = MTREE_INIT_EXT(mm_mt, MM_MT_FLAGS, init_mm.mmap_lock), 31 .pgd = swapper_pg_dir, 32 .mm_users = ATOMIC_INIT(2), 33 .mm_count = ATOMIC_INIT(1), 34 .write_protect_seq = SEQCNT_ZERO(init_mm.write_protect_seq), 35 MMAP_LOCK_INITIALIZER(init_mm) 36 .page_table_lock = __SPIN_LOCK_UNLOCKED(init_mm.page_table_lock), 37 .arg_lock = __SPIN_LOCK_UNLOCKED(init_mm.arg_lock), 38 .mmlist = LIST_HEAD_INIT(init_mm.mmlist), 39 #ifdef CONFIG_PER_VMA_LOCK 40 .mm_lock_seq = 0, 41 #endif 42 .user_ns = &init_user_ns, 43 .cpu_bitmap = CPU_BITS_NONE, 44 #ifdef INIT_MM_CONTEXT > 45 INIT_MM_CONTEXT(init_mm), 46 #endif 47 #ifdef INIT_MM_SFRAME 48 INIT_MM_SFRAME, 49 #endif 50 }; 51 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki