From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F5361C6AE for ; Wed, 27 Sep 2023 15:23:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1695828202; x=1727364202; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=hBe+IEstx9SfHN4s1OjFFd+rrbGIHiUqxQypUqRPgOM=; b=PFf+hOnx1Sj4PMIZo4WVHh2DiFHsCZeE9Gjc0TZs93mtV8T2U53hsRb0 PjQmjrWspT8Tr3+kpngqNOX+ybav0N0PUca1tURMLf6huntgDf+G+Kdnu GgWQz6ONh4F+gAoGJgEoBNY4jtxULmuI4/D4tz26zfos8sxD37nIwZbKF ts3XLyDFSKFsaEADRPvXtdJbkJKWEpAhyIoegSNskQDyFAAMmFVsZwcD4 DBZS4purSg7aH+npi44A4J09hoZTFfzCKmhO+WiuJdrdVGR24P7Xi27Zx /HFwTdaWk3QH12BzNZ6Nbz+qpqgWbOr3flg3Djlvz9udctQUFDO8iKrZh w==; X-IronPort-AV: E=McAfee;i="6600,9927,10846"; a="412761467" X-IronPort-AV: E=Sophos;i="6.03,181,1694761200"; d="scan'208";a="412761467" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2023 08:23:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10846"; a="996182294" X-IronPort-AV: E=Sophos;i="6.03,181,1694761200"; d="scan'208";a="996182294" Received: from lkp-server02.sh.intel.com (HELO c3b01524d57c) ([10.239.97.151]) by fmsmga006.fm.intel.com with ESMTP; 27 Sep 2023 08:23:20 -0700 Received: from kbuild by c3b01524d57c with local (Exim 4.96) (envelope-from ) id 1qlWNi-0000ML-0f; Wed, 27 Sep 2023 15:23:18 +0000 Date: Wed, 27 Sep 2023 23:22:53 +0800 From: kernel test robot To: Nicholas Piggin Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH 7/7] net: openvswitch: Reduce stack usage in ovs_dp_process_packet Message-ID: <202309272345.yNWcLYj9-lkp@intel.com> References: <20230927001308.749910-8-npiggin@gmail.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230927001308.749910-8-npiggin@gmail.com> Hi Nicholas, [This is a private test report for your RFC patch.] kernel test robot noticed the following build warnings: [auto build test WARNING on net/main] [also build test WARNING on linus/master v6.6-rc3] [cannot apply to net-next/main horms-ipvs/master next-20230927] [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/Nicholas-Piggin/net-openvswitch-Move-NSH-buffer-out-of-do_execute_actions/20230927-082125 base: net/main patch link: https://lore.kernel.org/r/20230927001308.749910-8-npiggin%40gmail.com patch subject: [RFC PATCH 7/7] net: openvswitch: Reduce stack usage in ovs_dp_process_packet config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20230927/202309272345.yNWcLYj9-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230927/202309272345.yNWcLYj9-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/202309272345.yNWcLYj9-lkp@intel.com/ All warnings (new ones prefixed by >>): >> net/openvswitch/datapath.c:246:6: warning: 'do_packet_upcall' defined but not used [-Wunused-function] 246 | void do_packet_upcall(struct sk_buff *skb, struct sw_flow_key *key, | ^~~~~~~~~~~~~~~~ vim +/do_packet_upcall +246 net/openvswitch/datapath.c 244 245 static noinline_for_stack > 246 void do_packet_upcall(struct sk_buff *skb, struct sw_flow_key *key, 247 const struct vport *p, struct datapath *dp) 248 { 249 struct dp_upcall_info upcall; 250 int error; 251 252 memset(&upcall, 0, sizeof(upcall)); 253 upcall.cmd = OVS_PACKET_CMD_MISS; 254 255 if (dp->user_features & OVS_DP_F_DISPATCH_UPCALL_PER_CPU) 256 upcall.portid = 257 ovs_dp_get_upcall_portid(dp, smp_processor_id()); 258 else 259 upcall.portid = ovs_vport_find_upcall_portid(p, skb); 260 261 upcall.mru = OVS_CB(skb)->mru; 262 error = ovs_dp_upcall(dp, skb, key, &upcall, 0); 263 switch (error) { 264 case 0: 265 case -EAGAIN: 266 case -ERESTARTSYS: 267 case -EINTR: 268 consume_skb(skb); 269 break; 270 default: 271 kfree_skb(skb); 272 break; 273 } 274 } 275 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki