Messages in this thread | | | Date | Thu, 11 Apr 2024 03:57:30 +0800 | From | kernel test robot <> | Subject | Re: [PATCH 1/3] riscv: Support for early console. |
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Hi Jinglin,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tty/tty-testing] [also build test WARNING on tty/tty-next tty/tty-linus linus/master v6.9-rc3 next-20240410] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Jinglin-Wen/riscv-Support-for-early-console/20240410-143840 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing patch link: https://lore.kernel.org/r/20240410063432.23058-2-jinglin.wen%40shingroup.cn patch subject: [PATCH 1/3] riscv: Support for early console. config: riscv-allnoconfig (https://download.01.org/0day-ci/archive/20240411/202404110326.Qa9YV4bV-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240411/202404110326.Qa9YV4bV-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202404110326.Qa9YV4bV-lkp@intel.com/
All warnings (new ones prefixed by >>):
arch/riscv/kernel/early_console.c: In function 'early_console_printf': >> arch/riscv/kernel/early_console.c:51:17: warning: function 'early_console_printf' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 51 | vsnprintf(buf, EARLY_CONSOLE_BUFSIZE, fmt, args); | ^~~~~~~~~
vim +51 arch/riscv/kernel/early_console.c
42 43 #define EARLY_CONSOLE_BUFSIZE 256 44 void early_console_printf(const char *fmt, ...) 45 { 46 if (riscv_early_console_putc) { 47 char buf[EARLY_CONSOLE_BUFSIZE]; 48 va_list args; 49 50 va_start(args, fmt); > 51 vsnprintf(buf, EARLY_CONSOLE_BUFSIZE, fmt, args); 52 early_console_puts(buf); 53 va_end(args); 54 } 55 } 56
-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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