Hi Dan, Thank you for the patch! Yet something to improve: [auto build test ERROR on 01830e6c042e8eb6eb202e05d7df8057135b4c26] url: https://github.com/0day-ci/linux/commits/Dan-Williams/device-dax-Support-sub-dividing-soft-reserved-ranges/20200801-114823 base: 01830e6c042e8eb6eb202e05d7df8057135b4c26 config: m68k-randconfig-r034-20200731 (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/percpu-refcount.h:53, from include/linux/memremap.h:6, from drivers/dax/bus.c:3: drivers/dax/bus.c: In function 'dev_dax_shrink': include/linux/kernel.h:850:29: warning: comparison of distinct pointer types lacks a cast 850 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) | ^~ include/linux/kernel.h:864:4: note: in expansion of macro '__typecheck' 864 | (__typecheck(x, y) && __no_side_effects(x, y)) | ^~~~~~~~~~~ include/linux/kernel.h:874:24: note: in expansion of macro '__safe_cmp' 874 | __builtin_choose_expr(__safe_cmp(x, y), \ | ^~~~~~~~~~ include/linux/kernel.h:883:19: note: in expansion of macro '__careful_cmp' 883 | #define min(x, y) __careful_cmp(x, y, <) | ^~~~~~~~~~~~~ drivers/dax/bus.c:881:12: note: in expansion of macro 'min' 881 | shrink = min(to_shrink, range_len(range)); | ^~~ In file included from include/linux/printk.h:405, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/preempt.h:11, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/percpu-refcount.h:53, from include/linux/memremap.h:6, from drivers/dax/bus.c:3: drivers/dax/bus.c: In function 'dev_dax_validate_align': drivers/dax/bus.c:1062:16: warning: format '%llu' expects argument of type 'long long unsigned int', but argument 6 has type 'resource_size_t' {aka 'unsigned int'} [-Wformat=] 1062 | dev_dbg(dev, "%s: align %u invalid for size %llu\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:125:15: note: in definition of macro '__dynamic_func_call' 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' 157 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:115:2: note: in expansion of macro 'dynamic_dev_dbg' 115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/dev_printk.h:115:23: note: in expansion of macro 'dev_fmt' 115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/dax/bus.c:1062:3: note: in expansion of macro 'dev_dbg' 1062 | dev_dbg(dev, "%s: align %u invalid for size %llu\n", | ^~~~~~~ drivers/dax/bus.c:1062:50: note: format string is defined here 1062 | dev_dbg(dev, "%s: align %u invalid for size %llu\n", | ~~~^ | | | long long unsigned int | %u In file included from include/linux/printk.h:405, from include/linux/kernel.h:15, from include/linux/list.h:9, from include/linux/preempt.h:11, from arch/m68k/include/asm/irqflags.h:6, from include/linux/irqflags.h:16, from arch/m68k/include/asm/atomic.h:6, from include/linux/atomic.h:7, from include/linux/percpu-refcount.h:53, from include/linux/memremap.h:6, from drivers/dax/bus.c:3: drivers/dax/bus.c:1071:17: warning: format '%ld' expects argument of type 'long int', but argument 6 has type 'ssize_t' {aka 'int'} [-Wformat=] 1071 | dev_dbg(dev, "%s: align %u invalid for range %ld\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dynamic_debug.h:125:15: note: in definition of macro '__dynamic_func_call' 125 | func(&id, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/dynamic_debug.h:157:2: note: in expansion of macro '_dynamic_func_call' 157 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \ | ^~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:115:2: note: in expansion of macro 'dynamic_dev_dbg' 115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~~~~~~ include/linux/dev_printk.h:115:23: note: in expansion of macro 'dev_fmt' 115 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~ drivers/dax/bus.c:1071:4: note: in expansion of macro 'dev_dbg' 1071 | dev_dbg(dev, "%s: align %u invalid for range %ld\n", | ^~~~~~~ drivers/dax/bus.c:1071:51: note: format string is defined here 1071 | dev_dbg(dev, "%s: align %u invalid for range %ld\n", | ~~^ | | | long int | %d In file included from include/asm-generic/pgtable-nopud.h:7, from arch/m68k/include/asm/pgtable_no.h:5, from arch/m68k/include/asm/pgtable.h:3, from include/linux/pgtable.h:6, from include/linux/mm.h:33, from include/linux/dax.h:6, from drivers/dax/bus.c:8: >> include/asm-generic/pgtable-nop4d.h:11:20: error: 'PGDIR_SHIFT' undeclared (first use in this function); did you mean 'PUD_SHIFT'? 11 | #define P4D_SHIFT PGDIR_SHIFT | ^~~~~~~~~~~ include/asm-generic/pgtable-nopud.h:18:19: note: in expansion of macro 'P4D_SHIFT' 18 | #define PUD_SHIFT P4D_SHIFT | ^~~~~~~~~ include/asm-generic/pgtable-nopud.h:20:28: note: in expansion of macro 'PUD_SHIFT' 20 | #define PUD_SIZE (1UL << PUD_SHIFT) | ^~~~~~~~~ drivers/dax/bus.c:1078:7: note: in expansion of macro 'PUD_SIZE' 1078 | case PUD_SIZE: | ^~~~~~~~ include/asm-generic/pgtable-nop4d.h:11:20: note: each undeclared identifier is reported only once for each function it appears in 11 | #define P4D_SHIFT PGDIR_SHIFT | ^~~~~~~~~~~ include/asm-generic/pgtable-nopud.h:18:19: note: in expansion of macro 'P4D_SHIFT' 18 | #define PUD_SHIFT P4D_SHIFT | ^~~~~~~~~ include/asm-generic/pgtable-nopud.h:20:28: note: in expansion of macro 'PUD_SHIFT' 20 | #define PUD_SIZE (1UL << PUD_SHIFT) | ^~~~~~~~~ drivers/dax/bus.c:1078:7: note: in expansion of macro 'PUD_SIZE' 1078 | case PUD_SIZE: | ^~~~~~~~ >> drivers/dax/bus.c:1082:7: error: 'PMD_SIZE' undeclared (first use in this function); did you mean 'P4D_SIZE'? 1082 | case PMD_SIZE: | ^~~~~~~~ | P4D_SIZE vim +1082 drivers/dax/bus.c 1050 1051 static ssize_t dev_dax_validate_align(struct dev_dax *dev_dax) 1052 { 1053 resource_size_t dev_size = dev_dax_size(dev_dax); 1054 struct device *dev = &dev_dax->dev; 1055 ssize_t rc, i; 1056 1057 if (dev->driver) 1058 return -EBUSY; 1059 1060 rc = -EINVAL; 1061 if (dev_size > 0 && !alloc_is_aligned(dev_dax, dev_size)) { 1062 dev_dbg(dev, "%s: align %u invalid for size %llu\n", 1063 __func__, dev_dax->align, dev_size); 1064 return rc; 1065 } 1066 1067 for (i = 0; i < dev_dax->nr_range; i++) { 1068 size_t len = range_len(&dev_dax->ranges[i].range); 1069 1070 if (!alloc_is_aligned(dev_dax, len)) { 1071 dev_dbg(dev, "%s: align %u invalid for range %ld\n", 1072 __func__, dev_dax->align, i); 1073 return rc; 1074 } 1075 } 1076 1077 switch (dev_dax->align) { 1078 case PUD_SIZE: 1079 if (!IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)) 1080 break; 1081 fallthrough; > 1082 case PMD_SIZE: 1083 if (!has_transparent_hugepage()) 1084 break; 1085 fallthrough; 1086 case PAGE_SIZE: 1087 rc = 0; 1088 break; 1089 } 1090 1091 return rc; 1092 } 1093 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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