From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f175.google.com (mail-pd0-f175.google.com [209.85.192.175]) by kanga.kvack.org (Postfix) with ESMTP id 93AE29003C7 for ; Fri, 24 Jul 2015 04:18:58 -0400 (EDT) Received: by pdjr16 with SMTP id r16so10319291pdj.3 for ; Fri, 24 Jul 2015 01:18:58 -0700 (PDT) Received: from mga09.intel.com (mga09.intel.com. [134.134.136.24]) by mx.google.com with ESMTP id fi7si18765297pac.187.2015.07.24.01.18.57 for ; Fri, 24 Jul 2015 01:18:57 -0700 (PDT) Date: Fri, 24 Jul 2015 16:18:30 +0800 From: kbuild test robot Subject: [mmotm:master 371/385] arch/x86/mm/mpx.c:71:54: sparse: implicit cast to nocast type Message-ID: <201507241628.EnDEXbaF%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: Oleg Nesterov Cc: kbuild-all@01.org, Johannes Weiner , "Kirill A. Shutemov" , Andrew Morton , Linux Memory Management List tree: git://git.cmpxchg.org/linux-mmotm.git master head: 61f5f835b6f06fbc233481b5d3c0afd71ecf54e8 commit: b9e95c5dd1134d35b6c9aeaa3967ab5b3945ba73 [371/385] mm, mpx: add "vm_flags_t vm_flags" arg to do_mmap_pgoff() reproduce: # apt-get install sparse git checkout b9e95c5dd1134d35b6c9aeaa3967ab5b3945ba73 make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) >> arch/x86/mm/mpx.c:71:54: sparse: implicit cast to nocast type arch/x86/mm/mpx.c:312:27: sparse: incompatible types in comparison expression (different address spaces) -- >> include/linux/mm.h:1812:54: sparse: implicit cast to nocast type -- mm/mmap.c:1343:47: sparse: implicit cast to nocast type mm/mmap.c:1345:45: sparse: implicit cast to nocast type mm/mmap.c:1354:45: sparse: implicit cast to nocast type mm/mmap.c:1375:47: sparse: implicit cast to nocast type mm/mmap.c:1395:37: sparse: implicit cast to nocast type mm/mmap.c:1399:37: sparse: implicit cast to nocast type mm/mmap.c:1443:33: sparse: implicit cast to nocast type mm/mmap.c:1578:29: sparse: implicit cast to nocast type mm/internal.h:253:43: sparse: implicit cast to nocast type mm/mmap.c:2650:37: sparse: implicit cast to nocast type mm/mmap.c:2690:34: sparse: implicit cast to nocast type mm/mmap.c:2693:34: sparse: implicit cast to nocast type >> include/linux/mm.h:1812:54: sparse: implicit cast to nocast type mm/internal.h:253:43: sparse: implicit cast to nocast type vim +71 arch/x86/mm/mpx.c 55 * bounds tables (the bounds directory is user-allocated). 56 * 57 * Later on, we use the vma->vm_ops to uniquely identify these 58 * VMAs. 59 */ 60 static unsigned long mpx_mmap(unsigned long len) 61 { 62 struct mm_struct *mm = current->mm; 63 unsigned long addr, populate; 64 65 /* Only bounds table can be allocated here */ 66 if (len != mpx_bt_size_bytes(mm)) 67 return -EINVAL; 68 69 down_write(&mm->mmap_sem); 70 addr = do_mmap(NULL, 0, len, PROT_READ | PROT_WRITE, > 71 MAP_ANONYMOUS | MAP_PRIVATE, VM_MPX, 0, &populate); 72 up_write(&mm->mmap_sem); 73 if (populate) 74 mm_populate(addr, populate); 75 76 return addr; 77 } 78 79 enum reg_type { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org