From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 74B96299922 for ; Sun, 8 Mar 2026 05:05:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772946358; cv=none; b=CkUj52AZ57RnucsvMuXmU0ng7kAZ7nyHga5QK6GwUXJ4tHukuXSRCWrKZuy3D6N9v/CPDLJP6QMPsQc46BTQPPGnTbEhvieK+o0wvkbK4ODRbuz2IAm5dFhBmdKurwaw0MUILdzKANvvO163eJPmdGd0mF3IBl96UhBUwsgoynM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772946358; c=relaxed/simple; bh=KU2EbtNpUmTOC9y4uli7NcQUzLIsbeTzo3qRJWgiD7Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Hd/S9v+JWgO6AM+9d0a3W4NRB/rFhkP2Aisrxz4/GE0VFqyOkYxAzOYFUE6I0LCEqEObrrsgGH30bvmobP8Q0Ibg50ATgzMZmHxHYnKTljBIhruSYll/j/QfURUUx9OcXQEzC4yPecWW3Z/RM7mNpQPqMzkc2lFXhBTj4t7/FCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=OK9HpiMF; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="OK9HpiMF" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772946356; x=1804482356; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KU2EbtNpUmTOC9y4uli7NcQUzLIsbeTzo3qRJWgiD7Q=; b=OK9HpiMFwUJXkxsQJVO/GkpaDArD0j7LkErMWLx2ZWL5ZtAGVRquJ/gv ydBmeL6iarrCyI7T/ZZ95L+kHvms1bHj51Lx/8b9caXwmszUFy7/fY8y6 mvLcSBxsymFyngKhxNfL5cBiHJeLKaJV1YaXK0+lKSVYnx5R3Z/rthJd3 su1WtXQSlhtzvFWk85RoI2LvMhyGklv7IMVMIey3K1r0kGot7Q0y4kvxK TdQygmE100/Nty+G6SVjtlpJJbm7ytOLYcMraZFrcwnbPb2L9E/zk2WWf G5lsWCQbW4sdRhphrE8FRqGaGOJ4xTrQC/84kV2eqc3kwebNGsyyx1uja g==; X-CSE-ConnectionGUID: GD9b+efsRrObJWQ6CKJNDw== X-CSE-MsgGUID: 1W7Q4CjVTFOiHKYZADHhTA== X-IronPort-AV: E=McAfee;i="6800,10657,11722"; a="96621396" X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="96621396" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Mar 2026 21:05:56 -0800 X-CSE-ConnectionGUID: iK19d4IsQwGj+KS96MdSfg== X-CSE-MsgGUID: yPyYIg/KRdmpYWmtDoUIEw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,108,1770624000"; d="scan'208";a="216003698" Received: from lkp-server01.sh.intel.com (HELO 058beb05654c) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 07 Mar 2026 21:05:53 -0800 Received: from kbuild by 058beb05654c with local (Exim 4.98.2) (envelope-from ) id 1vz6Kr-000000002ur-3fyI; Sun, 08 Mar 2026 05:05:49 +0000 Date: Sun, 8 Mar 2026 13:05:12 +0800 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: <202603081213.mN3LtMM5-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: loongarch-randconfig-001-20260308 (https://download.01.org/0day-ci/archive/20260308/202603081213.mN3LtMM5-lkp@intel.com/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260308/202603081213.mN3LtMM5-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/202603081213.mN3LtMM5-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