Hi Vidya, Thank you for the patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on v5.5-rc4 next-20191220] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Vidya-Sagar/PCI-Add-MCFG-quirks-for-Tegra194-host-controllers/20200104-233723 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm64-defconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot All errors (new ones prefixed by >>): aarch64-linux-ld: arch/arm64/kernel/head.o: relocation R_AARCH64_ABS32 against `_kernel_offset_le_lo32' can not be used when making a shared object aarch64-linux-ld: arch/arm64/kernel/efi-entry.stub.o: relocation R_AARCH64_ABS32 against `__efistub_stext_offset' can not be used when making a shared object arch/arm64/kernel/head.o: In function `kimage_vaddr': (.idmap.text+0x0): dangerous relocation: unsupported relocation arch/arm64/kernel/head.o: In function `__primary_switch': (.idmap.text+0x378): dangerous relocation: unsupported relocation (.idmap.text+0x380): dangerous relocation: unsupported relocation >> drivers/acpi/pci_mcfg.o:(.data+0x2e08): undefined reference to `tegra194_pcie_ops' drivers/acpi/pci_mcfg.o:(.data+0x2ea8): undefined reference to `tegra194_pcie_ops' drivers/acpi/pci_mcfg.o:(.data+0x2f48): undefined reference to `tegra194_pcie_ops' drivers/acpi/pci_mcfg.o:(.data+0x2fe8): undefined reference to `tegra194_pcie_ops' drivers/acpi/pci_mcfg.o:(.data+0x3088): undefined reference to `tegra194_pcie_ops' drivers/acpi/pci_mcfg.o:(.data+0x3128): more undefined references to `tegra194_pcie_ops' follow --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation