From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 104EB31AF2E for ; Fri, 17 Oct 2025 10:07:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760695644; cv=none; b=KaFaVICt9eozhuszHih114OgZgLgUM/83SsN048s6gxora5561mOPZYNg9cEBgSl4PpuFWaQOGsMphHbu5aWr6j6fhHeHF9qV9NZM/Y/8DaCH2eg8KgpymO8mOaD874B6ZQ87oQPyE5626ep7amKG/JqvOso5tByTVFjRIR/gEk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760695644; c=relaxed/simple; bh=kojQMXknS4fWVlJmzyerdgKYf2aOP/WaOJN/eiI6YoA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=S4EeMNOMdhZCZ/lV2vxc4AeNWjBwJZa9zpMwECvMaO5kKx2pJd+n3JA5NEwyCNrigkZB2EaTIrvAwdAIjXA2OT+9XZ5J37SO9rzG1s/tKhqSiCj9oCOC95N5bwhvB+3abnmvSo5qbXQwKSUwm1wEvj46umfbWTL2+RADFT5n0Po= 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=Q3n95l9O; arc=none smtp.client-ip=192.198.163.19 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="Q3n95l9O" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760695643; x=1792231643; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=kojQMXknS4fWVlJmzyerdgKYf2aOP/WaOJN/eiI6YoA=; b=Q3n95l9OI422657rmeyxIPLVr+Mt8Jn787TSNqHw0uZs/UJ/21+IL4Y5 HPawF32X4DR2iiCpEZEJGXQIpwtZfrbR5BNL1wWfvD5Vz9Ufhm7bPCM3V 0WJzdhOSv8Hyxw2YBY55sXuthOjguEnwJBlbPKSoAn/lX8u2fgmYs2zur DR5kszV1TS5K7pTk9xyHn80kXcYLLuk6XJLc2i9G3SuKRC278E2JRt3Fb wu8pvk8hqyh9P/fQsVBlfb09oA0GLmZw+8121fAT2cMYD6HrG5ZhunUvd z3sTMbYUc02i30w7mQRPWqiyzwV3q5Opv3yk4VU+SiU7dIhGMbJZMhs+R A==; X-CSE-ConnectionGUID: zY/UgWZ3QiibFQCPoUcoUw== X-CSE-MsgGUID: LZILZBWUQFuMsxB3SsMZKQ== X-IronPort-AV: E=McAfee;i="6800,10657,11584"; a="61934766" X-IronPort-AV: E=Sophos;i="6.19,236,1754982000"; d="scan'208";a="61934766" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2025 03:07:22 -0700 X-CSE-ConnectionGUID: SBGf7iXUTO6Rnb2b/Ug6Jg== X-CSE-MsgGUID: VqgQEwF9SlS28aAYKiDhBg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,236,1754982000"; d="scan'208";a="186727728" Received: from lkp-server02.sh.intel.com (HELO 66d7546c76b2) ([10.239.97.151]) by orviesa003.jf.intel.com with ESMTP; 17 Oct 2025 03:07:20 -0700 Received: from kbuild by 66d7546c76b2 with local (Exim 4.96) (envelope-from ) id 1v9hMk-0005pb-0o; Fri, 17 Oct 2025 10:07:18 +0000 Date: Fri, 17 Oct 2025 18:06:31 +0800 From: kernel test robot To: Keith Busch , linux-pci@vger.kernel.org, lukas@wunner.de, helgaas@kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Keith Busch Subject: Re: [PATCH RESEND 1/1] PCI: pciehp: fix concurrent sub-tree removal deadlock Message-ID: <202510171720.AKF8sDMd-lkp@intel.com> References: <20251016193049.881212-2-kbusch@meta.com> Precedence: bulk X-Mailing-List: linux-pci@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: <20251016193049.881212-2-kbusch@meta.com> Hi Keith, kernel test robot noticed the following build errors: [auto build test ERROR on pci/next] [also build test ERROR on pci/for-linus linus/master v6.18-rc1 next-20251016] [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/Keith-Busch/PCI-pciehp-fix-concurrent-sub-tree-removal-deadlock/20251017-033133 base: https://git.kernel.org/pub/scm/linux/kernel/git/pci/pci.git next patch link: https://lore.kernel.org/r/20251016193049.881212-2-kbusch%40meta.com patch subject: [PATCH RESEND 1/1] PCI: pciehp: fix concurrent sub-tree removal deadlock config: arm-allnoconfig (https://download.01.org/0day-ci/archive/20251017/202510171720.AKF8sDMd-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 754ebc6ebb9fb9fbee7aef33478c74ea74949853) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251017/202510171720.AKF8sDMd-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/202510171720.AKF8sDMd-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/pci/of.c:18: >> drivers/pci/pci.h:653:2: error: call to undeclared function 'pci_notify_disconnected'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 653 | pci_notify_disconnected(); | ^ drivers/pci/pci.h:653:2: note: did you mean 'pci_doe_disconnected'? drivers/pci/pci.h:597:20: note: 'pci_doe_disconnected' declared here 597 | static inline void pci_doe_disconnected(struct pci_dev *pdev) { } | ^ 1 error generated. vim +/pci_notify_disconnected +653 drivers/pci/pci.h 648 649 static inline int pci_dev_set_disconnected(struct pci_dev *dev, void *unused) 650 { 651 pci_dev_set_io_state(dev, pci_channel_io_perm_failure); 652 pci_doe_disconnected(dev); > 653 pci_notify_disconnected(); 654 655 return 0; 656 } 657 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki