Hi Alastair, Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [cannot apply to v5.3 next-20190916] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Alastair-D-Silva/ocxl-Allow-external-drivers-to-access-LPC-memory/20190917-094857 config: powerpc-allmodconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 7.4.0 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=7.4.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All errors (new ones prefixed by >>): arch/powerpc/platforms/powernv/ocxl.c: In function 'pnv_ocxl_platform_lpc_setup': >> arch/powerpc/platforms/powernv/ocxl.c:492:7: error: implicit declaration of >> function 'check_hotplug_memory_addressable' >> [-Werror=implicit-function-declaration] rc = check_hotplug_memory_addressable(base_addr, base_addr + size); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/check_hotplug_memory_addressable +492 arch/powerpc/platforms/powernv/ocxl.c 477 478 u64 pnv_ocxl_platform_lpc_setup(struct pci_dev *pdev, u64 size) 479 { 480 struct pci_controller *hose = pci_bus_to_host(pdev->bus); 481 struct pnv_phb *phb = hose->private_data; 482 struct pci_dn *pdn = pci_get_pdn(pdev); 483 u32 bdfn = (pdn->busno << 8) | pdn->devfn; 484 u64 base_addr = 0; 485 486 int rc = opal_npu_mem_alloc(phb->opal_id, bdfn, size, &base_addr); 487 488 WARN_ON(rc); 489 490 base_addr = be64_to_cpu(base_addr); 491 > 492 rc = check_hotplug_memory_addressable(base_addr, base_addr + > size); 493 if (rc) { 494 dev_warn(&pdev->dev, 495 "LPC memory range 0x%llx-0x%llx is not fully addressable", 496 base_addr, base_addr + size - 1); 497 return 0; 498 } 499 500 501 return base_addr; 502 } 503 EXPORT_SYMBOL_GPL(pnv_ocxl_platform_lpc_setup); 504 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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