linux-kernel - Re: [PATCH 3/3] PCI: dwc: Enable MSI affinity support

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Message-ID: <202510041550.xoRbz92p-lkp@intel.com>
Date: Sat, 4 Oct 2025 15:27:46 +0800
From: kernel test robot <lkp@...el.com>
To: Radu Rendec <rrendec@...hat.com>, Thomas Gleixner <tglx@...utronix.de>,
	Manivannan Sadhasivam <mani@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, Bjorn Helgaas <helgaas@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Jingoo Han <jingoohan1@...il.com>,
	Brian Masney <bmasney@...hat.com>,
	Eric Chanudet <echanude@...hat.com>,
	Alessandro Carminati <acarmina@...hat.com>,
	Jared Kangas <jkangas@...hat.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] PCI: dwc: Enable MSI affinity support

Hi Radu,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/irq/core]
[also build test ERROR on pci/next pci/for-linus mani-mhi/mhi-next linus/master v6.17 next-20251003]
[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/Radu-Rendec/genirq-Add-interrupt-redirection-infrastructure/20251004-000948
base:   tip/irq/core
patch link:    https://lore.kernel.org/r/20251003160421.951448-4-rrendec%40redhat.com
patch subject: [PATCH 3/3] PCI: dwc: Enable MSI affinity support
config: x86_64-randconfig-002-20251004 (https://download.01.org/0day-ci/archive/20251004/202510041550.xoRbz92p-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251004/202510041550.xoRbz92p-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510041550.xoRbz92p-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: vmlinux.o: in function `dw_pcie_init_dev_msi_info':
>> drivers/pci/controller/dwc/pcie-designware-host.c:36:(.text+0x21dd630): undefined reference to `irq_chip_pre_redirect_parent'


vim +36 drivers/pci/controller/dwc/pcie-designware-host.c

    28	
    29	static bool dw_pcie_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
    30					      struct irq_domain *real_parent, struct msi_domain_info *info)
    31	{
    32		if (!msi_lib_init_dev_msi_info(dev, domain, real_parent, info))
    33			return false;
    34	
    35		info->chip->irq_ack = dw_pcie_msi_ack;
  > 36		info->chip->irq_pre_redirect = irq_chip_pre_redirect_parent;
    37		return true;
    38	}
    39	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki