tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git block-dm-4.21-inflight head: 43ffa903230b8656a88fdc38882153a765076972 commit: 335b41c7513110b1519d8a93d412c138bf671263 [6/9] dm: remove the pending IO accounting config: i386-randconfig-x001-201847 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 335b41c7513110b1519d8a93d412c138bf671263 # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/linux/genhd.h:20:0, from include/linux/blkdev.h:11, from include/linux/blk-mq.h:5, from drivers//md/dm-core.h:14, from drivers//md/dm.c:8: drivers//md/dm.c: In function 'md_in_flight': include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int') const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \ ~~~~~ ^ arch/x86/include/asm/local.h:16:42: note: in definition of macro 'local_read' #define local_read(l) atomic_long_read(&(l)->a) ^ include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr' __verify_pcpu_ptr(__p); \ ^~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR' #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^~~~~~~~~~~~~~~~~ >> drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr' if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) || ^~~~~~~~~~~ include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats') (typeof(*(__p)) __kernel __force *)(__p); \ ^~~~~~ arch/x86/include/asm/local.h:16:42: note: in definition of macro 'local_read' #define local_read(l) atomic_long_read(&(l)->a) ^ include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR' #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^~~~~~~~~~~~~~~~~ >> drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr' if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) || ^~~~~~~~~~~ include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int') const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \ ~~~~~ ^ arch/x86/include/asm/local.h:16:42: note: in definition of macro 'local_read' #define local_read(l) atomic_long_read(&(l)->a) ^ include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr' __verify_pcpu_ptr(__p); \ ^~~~~~~~~~~~~~~~~ include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR' #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^~~~~~~~~~~~~~~~~ drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr' local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1])) ^~~~~~~~~~~ include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats') (typeof(*(__p)) __kernel __force *)(__p); \ ^~~~~~ arch/x86/include/asm/local.h:16:42: note: in definition of macro 'local_read' #define local_read(l) atomic_long_read(&(l)->a) ^ include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR' #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); }) ^~~~~~~~~~~~~~~~~ drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr' local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1])) ^~~~~~~~~~~ vim +/per_cpu_ptr +655 drivers//md/dm.c 648 649 static bool md_in_flight(struct mapped_device *md) 650 { 651 int cpu; 652 struct hd_struct *part = &dm_disk(md)->part0; 653 654 for_each_possible_cpu(cpu) { > 655 if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) || 656 local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1])) 657 return true; 658 } 659 660 return false; 661 } 662 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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