Hi Xiubo, [auto build test WARNING on next-20170424] [also build test WARNING on v4.11-rc8] [cannot apply to v4.9-rc8 v4.9-rc7 v4.9-rc6] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/lixiubo-cmss-chinamobile-com/tcmu-Dynamic-growing-data-area-support/20170426-162910 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:329:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/preempt.h:10, from include/linux/spinlock.h:50, from drivers//target/target_core_user.c:21: drivers//target/target_core_user.c: In function 'is_ring_space_avail': >> include/linux/dynamic_debug.h:74:16: warning: format '%zu' expects argument of type 'size_t', but argument 3 has type 'long unsigned int' [-Wformat=] static struct _ddebug __aligned(8) \ ^ include/linux/dynamic_debug.h:110:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA_KEY' DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, 0, 0) ^ include/linux/dynamic_debug.h:124:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA' DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ ^ include/linux/printk.h:333:2: note: in expansion of macro 'dynamic_pr_debug' dynamic_pr_debug(fmt, ##__VA_ARGS__) ^ drivers//target/target_core_user.c:575:4: note: in expansion of macro 'pr_debug' pr_debug("no data space: only %zu available, but ask for %zu\n", ^ -- In file included from include/linux/printk.h:329:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from include/linux/preempt.h:10, from include/linux/spinlock.h:50, from drivers/target/target_core_user.c:21: drivers/target/target_core_user.c: In function 'is_ring_space_avail': >> include/linux/dynamic_debug.h:74:16: warning: format '%zu' expects argument of type 'size_t', but argument 3 has type 'long unsigned int' [-Wformat=] static struct _ddebug __aligned(8) \ ^ include/linux/dynamic_debug.h:110:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA_KEY' DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, 0, 0) ^ include/linux/dynamic_debug.h:124:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA' DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ ^ include/linux/printk.h:333:2: note: in expansion of macro 'dynamic_pr_debug' dynamic_pr_debug(fmt, ##__VA_ARGS__) ^ drivers/target/target_core_user.c:575:4: note: in expansion of macro 'pr_debug' pr_debug("no data space: only %zu available, but ask for %zu\n", ^ vim +74 include/linux/dynamic_debug.h b48420c1 Jim Cromie 2012-04-27 58 const char *modname); b48420c1 Jim Cromie 2012-04-27 59 cbc46635 Joe Perches 2011-08-11 60 struct device; cbc46635 Joe Perches 2011-08-11 61 b9075fa9 Joe Perches 2011-10-31 62 extern __printf(3, 4) 906d2015 Joe Perches 2014-09-24 63 void __dynamic_dev_dbg(struct _ddebug *descriptor, const struct device *dev, b9075fa9 Joe Perches 2011-10-31 64 const char *fmt, ...); cbc46635 Joe Perches 2011-08-11 65 ffa10cb4 Jason Baron 2011-08-11 66 struct net_device; ffa10cb4 Jason Baron 2011-08-11 67 b9075fa9 Joe Perches 2011-10-31 68 extern __printf(3, 4) 906d2015 Joe Perches 2014-09-24 69 void __dynamic_netdev_dbg(struct _ddebug *descriptor, ffa10cb4 Jason Baron 2011-08-11 70 const struct net_device *dev, b9075fa9 Joe Perches 2011-10-31 71 const char *fmt, ...); ffa10cb4 Jason Baron 2011-08-11 72 9049fc74 Jason Baron 2016-08-03 73 #define DEFINE_DYNAMIC_DEBUG_METADATA_KEY(name, fmt, key, init) \ c0d2af63 Joe Perches 2012-10-18 @74 static struct _ddebug __aligned(8) \ 07613b0b Jason Baron 2011-10-04 75 __attribute__((section("__verbose"))) name = { \ 07613b0b Jason Baron 2011-10-04 76 .modname = KBUILD_MODNAME, \ 07613b0b Jason Baron 2011-10-04 77 .function = __func__, \ 07613b0b Jason Baron 2011-10-04 78 .filename = __FILE__, \ 07613b0b Jason Baron 2011-10-04 79 .format = (fmt), \ 07613b0b Jason Baron 2011-10-04 80 .lineno = __LINE__, \ 07613b0b Jason Baron 2011-10-04 81 .flags = _DPRINTK_FLAGS_DEFAULT, \ 9049fc74 Jason Baron 2016-08-03 82 dd_key_init(key, init) \ :::::: The code at line 74 was first introduced by commit :::::: c0d2af637863940b1a4fb208224ca7acb905c39f dynamic_debug: Remove unnecessary __used :::::: TO: Joe Perches <joe@xxxxxxxxxxx> :::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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