tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/mips/linux.git mips-next head: 5699ad0aaf1091824f22492a708478912c38c7d2 commit: 5699ad0aaf1091824f22492a708478912c38c7d2 [63/63] firmware: bcm47xx_nvram: Allow COMPILE_TEST config: x86_64-allyesconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-10) 7.4.0 reproduce: git checkout 5699ad0aaf1091824f22492a708478912c38c7d2 # save the attached .config to linux build tree make ARCH=x86_64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:7:0, from include/linux/kernel.h:15, from include/asm-generic/bug.h:18, from arch/x86/include/asm/bug.h:83, from include/linux/bug.h:5, from include/linux/io.h:11, from drivers/firmware/broadcom/bcm47xx_nvram.c:10: drivers/firmware/broadcom/bcm47xx_nvram.c: In function 'nvram_init': >> include/linux/kern_levels.h:5:18: warning: format '%zu' expects argument of type 'size_t', but argument 2 has type 'u32 {aka unsigned int}' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:11:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" /* error conditions */ ^~~~~~~~ include/linux/printk.h:304:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~ >> drivers/firmware/broadcom/bcm47xx_nvram.c:151:4: note: in expansion of macro 'pr_err' pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", ^~~~~~ drivers/firmware/broadcom/bcm47xx_nvram.c:151:30: note: format string is defined here pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the first %i bytes\n", ~~^ %u vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 :::::: The code at line 5 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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