Hi Christian, [auto build test WARNING on pci/next] [also build test WARNING on v4.11-rc2 next-20170310] [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/Christian-K-nig/PCI-add-resizeable-BAR-infrastructure-v3/20170314-163334 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: i386-randconfig-s0-201711 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): arch/x86/pci/fixup.c: In function 'pci_amd_enable_64bit_bar': >> arch/x86/pci/fixup.c:608:52: warning: large integer implicitly truncated to >> unsigned type [-Woverflow] r = allocate_resource(&iomem_resource, res, size, 0x100000000, ^~~~~~~~~~~ arch/x86/pci/fixup.c:609:10: warning: large integer implicitly truncated to unsigned type [-Woverflow] 0xfd00000000, size, NULL, NULL); ^~~~~~~~~~~~ >> arch/x86/pci/fixup.c:617:22: warning: right shift count >= width of type >> [-Wshift-count-overflow] high = ((res->start >> 40) & 0xff) | ^~ arch/x86/pci/fixup.c:618:21: warning: right shift count >= width of type [-Wshift-count-overflow] ((((res->end + 1) >> 40) & 0xff) << 16); ^~ vim +608 arch/x86/pci/fixup.c 602 return; 603 604 res = kzalloc(sizeof(*res), GFP_KERNEL); 605 res->flags = IORESOURCE_MEM | IORESOURCE_PREFETCH | IORESOURCE_MEM_64 | 606 IORESOURCE_WINDOW; 607 res->name = dev->bus->name; > 608 r = allocate_resource(&iomem_resource, res, size, 0x100000000, 609 0xfd00000000, size, NULL, NULL); 610 if (r) { 611 kfree(res); 612 return; 613 } 614 615 base = ((res->start >> 8) & 0xffffff00) | 0x3; 616 limit = ((res->end + 1) >> 8) & 0xffffff00; > 617 high = ((res->start >> 40) & 0xff) | 618 ((((res->end + 1) >> 40) & 0xff) << 16); 619 620 pci_write_config_dword(dev, 0x180 + i * 0x4, high); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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