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X-CSE-ConnectionGUID: XLku1OjkTZyI75LT5dZndQ== X-CSE-MsgGUID: Mv1HRiYyRsiKcv6xxHrjfQ== X-IronPort-AV: E=McAfee;i="6800,10657,11722"; a="84329233" X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="84329233" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2026 21:07:19 -0800 X-CSE-ConnectionGUID: yvAT1GjpSTauFybyja8tCw== X-CSE-MsgGUID: HiLVP5tFQKqisV/SxtTzcg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="223527466" Received: from igk-lkp-server01.igk.intel.com (HELO 9958d990ccf2) ([10.211.93.152]) by orviesa003.jf.intel.com with ESMTP; 07 Mar 2026 21:07:17 -0800 Received: from kbuild by 9958d990ccf2 with local (Exim 4.98.2) (envelope-from ) id 1vz6ME-000000002dB-2Tlg; Sun, 08 Mar 2026 05:07:14 +0000 Date: Sun, 8 Mar 2026 06:06:35 +0100 From: kernel test robot To: Jakub Kicinski , davem@davemloft.net Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org, Jakub Kicinski , hawk@kernel.org, ilias.apalodimas@linaro.org Subject: Re: [PATCH net] page_pool: store detach_time as ktime_t to avoid false-negatives Message-ID: <202603080650.SZhWEYVL-lkp@intel.com> References: <20260307204022.1897614-1-kuba@kernel.org> Precedence: bulk X-Mailing-List: netdev@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: <20260307204022.1897614-1-kuba@kernel.org> Hi Jakub, kernel test robot noticed the following build errors: [auto build test ERROR on net/main] url: https://github.com/intel-lab-lkp/linux/commits/Jakub-Kicinski/page_pool-store-detach_time-as-ktime_t-to-avoid-false-negatives/20260308-044057 base: net/main patch link: https://lore.kernel.org/r/20260307204022.1897614-1-kuba%40kernel.org patch subject: [PATCH net] page_pool: store detach_time as ktime_t to avoid false-negatives config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260308/202603080650.SZhWEYVL-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260308/202603080650.SZhWEYVL-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/202603080650.SZhWEYVL-lkp@intel.com/ All errors (new ones prefixed by >>): >> net/core/page_pool_user.c:248:5: error: call to undeclared function 'ktime_to_seconds'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 248 | ktime_to_seconds(pool->user.detach_time))) | ^ net/core/page_pool_user.c:248:5: note: did you mean 'ktime_get_seconds'? include/linux/timekeeping.h:59:17: note: 'ktime_get_seconds' declared here 59 | extern time64_t ktime_get_seconds(void); | ^ 1 error generated. vim +/ktime_to_seconds +248 net/core/page_pool_user.c 214 215 static int 216 page_pool_nl_fill(struct sk_buff *rsp, const struct page_pool *pool, 217 const struct genl_info *info) 218 { 219 size_t inflight, refsz; 220 unsigned int napi_id; 221 void *hdr; 222 223 hdr = genlmsg_iput(rsp, info); 224 if (!hdr) 225 return -EMSGSIZE; 226 227 if (nla_put_uint(rsp, NETDEV_A_PAGE_POOL_ID, pool->user.id)) 228 goto err_cancel; 229 230 if (pool->slow.netdev->ifindex != LOOPBACK_IFINDEX && 231 nla_put_u32(rsp, NETDEV_A_PAGE_POOL_IFINDEX, 232 pool->slow.netdev->ifindex)) 233 goto err_cancel; 234 235 napi_id = pool->p.napi ? READ_ONCE(pool->p.napi->napi_id) : 0; 236 if (napi_id_valid(napi_id) && 237 nla_put_uint(rsp, NETDEV_A_PAGE_POOL_NAPI_ID, napi_id)) 238 goto err_cancel; 239 240 inflight = page_pool_inflight(pool, false); 241 refsz = PAGE_SIZE << pool->p.order; 242 if (nla_put_uint(rsp, NETDEV_A_PAGE_POOL_INFLIGHT, inflight) || 243 nla_put_uint(rsp, NETDEV_A_PAGE_POOL_INFLIGHT_MEM, 244 inflight * refsz)) 245 goto err_cancel; 246 if (pool->user.detach_time && 247 nla_put_uint(rsp, NETDEV_A_PAGE_POOL_DETACH_TIME, > 248 ktime_to_seconds(pool->user.detach_time))) 249 goto err_cancel; 250 251 if (pool->mp_ops && pool->mp_ops->nl_fill(pool->mp_priv, rsp, NULL)) 252 goto err_cancel; 253 254 genlmsg_end(rsp, hdr); 255 256 return 0; 257 err_cancel: 258 genlmsg_cancel(rsp, hdr); 259 return -EMSGSIZE; 260 } 261 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki