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X-CSE-ConnectionGUID: 9bvpDVfUSrWh3YIxR128cQ== X-CSE-MsgGUID: HkkLzIBtRdWMzhJTFWtyvA== X-IronPort-AV: E=McAfee;i="6600,9927,11088"; a="31107727" X-IronPort-AV: E=Sophos;i="6.08,202,1712646000"; d="scan'208";a="31107727" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 May 2024 12:49:36 -0700 X-CSE-ConnectionGUID: Jh/LxzXKTK+r0DCwXZWcWQ== X-CSE-MsgGUID: FP8yERaSS/2g2CbiwJf7JA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,202,1712646000"; d="scan'208";a="35850528" Received: from unknown (HELO 0610945e7d16) ([10.239.97.151]) by fmviesa007.fm.intel.com with ESMTP; 30 May 2024 12:49:33 -0700 Received: from kbuild by 0610945e7d16 with local (Exim 4.96) (envelope-from ) id 1sClmE-000FuR-2y; Thu, 30 May 2024 19:49:30 +0000 Date: Fri, 31 May 2024 03:48:51 +0800 From: kernel test robot To: Subbaraya Sundeep , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Subbaraya Sundeep , Sunil Goutham , Linu Cherian , Geetha sowjanya , Jerin Jacob , hariprasad , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: Re: [net-next PATCH] octeontx2: Improve mailbox tracepoints for debugging Message-ID: <202405310351.9HtVnVJ5-lkp@intel.com> References: <1717070038-18381-1-git-send-email-sbhatta@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1717070038-18381-1-git-send-email-sbhatta@marvell.com> Hi Subbaraya, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Subbaraya-Sundeep/octeontx2-Improve-mailbox-tracepoints-for-debugging/20240530-195537 base: net-next/main patch link: https://lore.kernel.org/r/1717070038-18381-1-git-send-email-sbhatta%40marvell.com patch subject: [net-next PATCH] octeontx2: Improve mailbox tracepoints for debugging config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240531/202405310351.9HtVnVJ5-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240531/202405310351.9HtVnVJ5-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202405310351.9HtVnVJ5-lkp@intel.com/ All error/warnings (new ones prefixed by >>): drivers/net/ethernet/marvell/octeontx2/af/mbox.c: In function '__otx2_mbox_reset': >> drivers/net/ethernet/marvell/octeontx2/af/mbox.c:23:29: warning: unused variable 'msg' [-Wunused-variable] 23 | struct mbox_msghdr *msg; | ^~~ drivers/net/ethernet/marvell/octeontx2/af/mbox.c: In function 'otx2_mbox_msg_send_data': >> drivers/net/ethernet/marvell/octeontx2/af/mbox.c:254:9: error: 'msg' undeclared (first use in this function); did you mean 'ndmsg'? 254 | msg = (struct mbox_msghdr *)(hw_mbase + mbox->tx_start + msgs_offset); | ^~~ | ndmsg drivers/net/ethernet/marvell/octeontx2/af/mbox.c:254:9: note: each undeclared identifier is reported only once for each function it appears in vim +254 drivers/net/ethernet/marvell/octeontx2/af/mbox.c 216 217 static void otx2_mbox_msg_send_data(struct otx2_mbox *mbox, int devid, u64 data) 218 { 219 struct otx2_mbox_dev *mdev = &mbox->dev[devid]; 220 struct mbox_hdr *tx_hdr, *rx_hdr; 221 void *hw_mbase = mdev->hwbase; 222 u64 intr_val; 223 224 tx_hdr = hw_mbase + mbox->tx_start; 225 rx_hdr = hw_mbase + mbox->rx_start; 226 227 /* If bounce buffer is implemented copy mbox messages from 228 * bounce buffer to hw mbox memory. 229 */ 230 if (mdev->mbase != hw_mbase) 231 memcpy(hw_mbase + mbox->tx_start + msgs_offset, 232 mdev->mbase + mbox->tx_start + msgs_offset, 233 mdev->msg_size); 234 235 spin_lock(&mdev->mbox_lock); 236 237 tx_hdr->msg_size = mdev->msg_size; 238 239 /* Reset header for next messages */ 240 mdev->msg_size = 0; 241 mdev->rsp_size = 0; 242 mdev->msgs_acked = 0; 243 244 /* Sync mbox data into memory */ 245 smp_wmb(); 246 247 /* num_msgs != 0 signals to the peer that the buffer has a number of 248 * messages. So this should be written after writing all the messages 249 * to the shared memory. 250 */ 251 tx_hdr->num_msgs = mdev->num_msgs; 252 rx_hdr->num_msgs = 0; 253 > 254 msg = (struct mbox_msghdr *)(hw_mbase + mbox->tx_start + msgs_offset); 255 256 trace_otx2_msg_send(mbox->pdev, tx_hdr->num_msgs, tx_hdr->msg_size, 257 msg->id, msg->pcifunc); 258 259 spin_unlock(&mdev->mbox_lock); 260 261 /* Check if interrupt pending */ 262 intr_val = readq((void __iomem *)mbox->reg_base + 263 (mbox->trigger | (devid << mbox->tr_shift))); 264 265 intr_val |= data; 266 /* The interrupt should be fired after num_msgs is written 267 * to the shared memory 268 */ 269 writeq(intr_val, (void __iomem *)mbox->reg_base + 270 (mbox->trigger | (devid << mbox->tr_shift))); 271 } 272 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki