From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 2E482192B90; Thu, 12 Feb 2026 00:18:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770855539; cv=none; b=NrLdXsVkmqALGwjnAz2reoa/1X3P9Y4yFxDcnV+zVjj1iCNrBqxytksDjrr4l2VW5rD8A4HeUvLfM1Q3Ro7GPx9gYXPu8oR7PElnd3pjPKRQsMEm6zm+cEDDPe2dRZPSDMhV83yKRFDRaVSshMm/B8VqzW/pOz0m30BVa+aU2Gg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770855539; c=relaxed/simple; bh=KOQr7YIKBJ6FuGotcC4x2nQQzv30wTjYWd8kIIXENYE=; h=Date:From:To:Cc:Subject:Message-ID; b=X7H7vBsKasWlRoIsieCldNq8FIc+W2r7TNBoWHiJWeI+vOwVBS3JoGFXg0YJj2Dpv+GBmcxOBifFWvcwPRNGYfNgzR9MktYi7RtxyjdQvjvhT+3pPrPXWL/OhoCg2uqOhd3zjNIKi6zPMSLCL3SAyhWdpAx1JF6/9A+XC0Ftlgo= 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=XkAJvpW+; arc=none smtp.client-ip=192.198.163.7 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="XkAJvpW+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770855538; x=1802391538; h=date:from:to:cc:subject:message-id; bh=KOQr7YIKBJ6FuGotcC4x2nQQzv30wTjYWd8kIIXENYE=; b=XkAJvpW+6Qe+MVLsV/07aYNioZCyZH+zzFYJnEN+1pa0ER+j6NEOyABT eqONr4EEV6ZULcSP34qFGABZdm5BtfEJDmFvUM6V6p/6U5uYjjfTmY2gr KwAku0v+UH793ynAisRYLgf+pGPYGSlLCxNNiogfzbVtiTu3NQOgjfLCv 4Do+V6glMCSgS/AM0Sl3Ec+dWrdBx0aqe8EbAA3ckePivWbOLaVW73cF3 5wB/+VxoI/81S1Jl5TsN4u0/yX/cJW1JFTSocTdUBivvmQL7Vzi1s4A9t R74/A9QSUYbClCIRQ9OWWLhidxex4rJV0D021LcrWjTf0BLuTyOBQS9C7 A==; X-CSE-ConnectionGUID: 5f+PZFU5QtehykdXzEmaFQ== X-CSE-MsgGUID: OqFD0tMST86O6OVE7wwTvA== X-IronPort-AV: E=McAfee;i="6800,10657,11698"; a="97476269" X-IronPort-AV: E=Sophos;i="6.21,285,1763452800"; d="scan'208";a="97476269" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Feb 2026 16:18:58 -0800 X-CSE-ConnectionGUID: 5KfOwVCqTwmvizTrHSr1pw== X-CSE-MsgGUID: hfw+QFipT0KopWPlN19u5A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,285,1763452800"; d="scan'208";a="216561789" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 11 Feb 2026 16:18:57 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vqKQ1-00000000qV8-44Vp; Thu, 12 Feb 2026 00:18:53 +0000 Date: Thu, 12 Feb 2026 08:18:35 +0800 From: kernel test robot To: Jiri Olsa Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [jolsa-perf:bpf/tracing_multi_4 7/13] kernel/bpf/trampoline.c:527:14: error: call to undeclared function 'is_tracing_multi'; ISO C99 and later do not support implicit function declarations Message-ID: <202602120809.ddpbx5h9-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tracing_multi_4 head: a3f496c783e26237e1a9a5b1f5e6661d4e3c5f25 commit: cbb350ed40eb90b612d359931c72378a8dcc718b [7/13] bpf: Add bpf_trampoline_multi_attach/detach functions config: i386-randconfig-002-20260212 (https://download.01.org/0day-ci/archive/20260212/202602120809.ddpbx5h9-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/20260212/202602120809.ddpbx5h9-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/202602120809.ddpbx5h9-lkp@intel.com/ All errors (new ones prefixed by >>): >> kernel/bpf/trampoline.c:527:14: error: call to undeclared function 'is_tracing_multi'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 527 | *multi |= is_tracing_multi(node->link->prog->expected_attach_type); | ^ 1 error generated. vim +/is_tracing_multi +527 kernel/bpf/trampoline.c 507 508 static struct bpf_tramp_nodes * 509 bpf_trampoline_get_progs(const struct bpf_trampoline *tr, int *total, bool *ip_arg, bool *multi) 510 { 511 struct bpf_tramp_node *node, **nodes; 512 struct bpf_tramp_nodes *tnodes; 513 int kind; 514 515 *total = 0; 516 tnodes = kcalloc(BPF_TRAMP_MAX, sizeof(*tnodes), GFP_KERNEL); 517 if (!tnodes) 518 return ERR_PTR(-ENOMEM); 519 520 for (kind = 0; kind < BPF_TRAMP_MAX; kind++) { 521 tnodes[kind].nr_nodes = tr->progs_cnt[kind]; 522 *total += tr->progs_cnt[kind]; 523 nodes = tnodes[kind].nodes; 524 525 hlist_for_each_entry(node, &tr->progs_hlist[kind], tramp_hlist) { 526 *ip_arg |= node->link->prog->call_get_func_ip; > 527 *multi |= is_tracing_multi(node->link->prog->expected_attach_type); 528 *nodes++ = node; 529 } 530 } 531 return tnodes; 532 } 533 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki