Hi Long, [auto build test WARNING on cifs/for-next] [also build test WARNING on v4.14-rc3 next-20170929] [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/Long-Li/CIFS-Implement-SMBDirect/20171004-165915 base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: i386-randconfig-x005-201740 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): fs/cifs/smbdirect.c: In function 'smbd_recv_page': fs/cifs/smbdirect.c:1983:15: error: implicit declaration of function 'kmap_atomic' [-Werror=implicit-function-declaration] to_address = kmap_atomic(page); ^~~~~~~~~~~ fs/cifs/smbdirect.c:1983:13: warning: assignment makes pointer from integer without a cast [-Wint-conversion] to_address = kmap_atomic(page); ^ fs/cifs/smbdirect.c:1989:2: error: implicit declaration of function 'kunmap_atomic' [-Werror=implicit-function-declaration] kunmap_atomic(to_address); ^~~~~~~~~~~~~ In file included from include/linux/kernel.h:13:0, from include/linux/list.h:8, from include/linux/module.h:9, from fs/cifs/smbdirect.c:16: fs/cifs/smbdirect.c: In function 'smbd_send': >> include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'size_t {aka unsigned int}' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/printk.h:136:11: note: in definition of macro 'no_printk' printk(fmt, ##__VA_ARGS__); \ ^~~ include/linux/kern_levels.h:14:20: note: in expansion of macro 'KERN_SOH' #define KERN_DEBUG KERN_SOH "7" /* debug-level messages */ ^~~~~~~~ include/linux/printk.h:339:12: note: in expansion of macro 'KERN_DEBUG' no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~ >> fs/cifs/cifs_debug.h:72:3: note: in expansion of macro 'pr_debug' pr_debug(fmt, ##__VA_ARGS__); \ ^~~~~~~~ fs/cifs/smbdirect.c:143:3: note: in expansion of macro 'cifs_dbg' cifs_dbg(VFS, "%s:%d " fmt, __func__, __LINE__, ##args);\ ^~~~~~~~ fs/cifs/smbdirect.c:151:40: note: in expansion of macro 'log_rdma' #define log_write(level, fmt, args...) log_rdma(level, LOG_WRITE, fmt, ##args) ^~~~~~~~ fs/cifs/smbdirect.c:2148:6: note: in expansion of macro 'log_write' log_write(INFO, ^~~~~~~~~ cc1: some warnings being treated as errors vim +4 include/linux/kern_levels.h 314ba352 Joe Perches 2012-07-30 3 04d2c8c8 Joe Perches 2012-07-30 @4 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c8 Joe Perches 2012-07-30 5 #define KERN_SOH_ASCII '\001' 04d2c8c8 Joe Perches 2012-07-30 6 :::::: The code at line 4 was first introduced by commit :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern :::::: TO: Joe Perches <joe@xxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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