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03 Mar 2022 09:31:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,151,1643702400"; d="scan'208";a="508674099" Received: from lkp-server01.sh.intel.com (HELO ccb16ba0ecc3) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 03 Mar 2022 09:31:10 -0800 Received: from kbuild by ccb16ba0ecc3 with local (Exim 4.92) (envelope-from ) id 1nPpI8-0000mZ-CU; Thu, 03 Mar 2022 17:31:04 +0000 Date: Fri, 4 Mar 2022 01:30:08 +0800 From: kernel test robot To: Philip Yang Cc: kbuild-all@lists.01.org, Linux Memory Management List , Alex Deucher , Felix Kuehling Subject: [linux-next:master 9920/10468] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:192:2: warning: function 'kfd_smi_event_add' might be a candidate for 'gnu_printf' format attribute Message-ID: <202203040158.VxdsrLv2-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: EAB11C0007 X-Stat-Signature: s8d8kgb3zg1fkejm8stpjhs4tfugcr9t Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="kc0/qalW"; spf=none (imf28.hostedemail.com: domain of lkp@intel.com has no SPF policy when checking 134.134.136.24) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com X-HE-Tag: 1646328695-372178 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 91265a6da44d13296bdb5b3fbafa19d06be462f2 commit: d58b8a99cbb84c1eb3b3613d23c1a328695a9455 [9920/10468] drm/amdkfd: Add SMI add event helper config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220304/202203040158.VxdsrLv2-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d58b8a99cbb84c1eb3b3613d23c1a328695a9455 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout d58b8a99cbb84c1eb3b3613d23c1a328695a9455 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c: In function 'kfd_smi_event_add': >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:192:2: warning: function 'kfd_smi_event_add' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 192 | len += vsnprintf(fifo_in + len, sizeof(fifo_in) - len, fmt, args); | ^~~ vim +192 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c 178 179 static void kfd_smi_event_add(struct kfd_dev *dev, unsigned int event, 180 char *fmt, ...) 181 { 182 char fifo_in[KFD_SMI_EVENT_MSG_SIZE]; 183 int len; 184 va_list args; 185 186 if (list_empty(&dev->smi_clients)) 187 return; 188 189 len = snprintf(fifo_in, sizeof(fifo_in), "%x ", event); 190 191 va_start(args, fmt); > 192 len += vsnprintf(fifo_in + len, sizeof(fifo_in) - len, fmt, args); 193 va_end(args); 194 195 add_event_to_kfifo(dev, event, fifo_in, len); 196 } 197 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org