Hi "Krzysztof, Thank you for the patch! Yet something to improve: [auto build test ERROR on pci/next] [also build test ERROR on driver-core/driver-core-testing linus/master v5.13-rc7 next-20210625] [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] url: https://github.com/0day-ci/linux/commits/Krzysztof-Wilczy-ski/Allow-deferred-execution-of-iomem_get_mapping/20210626-205836 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/e2a3b2d0e981d30bc58d044387dc17e55ab6ee03 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Krzysztof-Wilczy-ski/Allow-deferred-execution-of-iomem_get_mapping/20210626-205836 git checkout e2a3b2d0e981d30bc58d044387dc17e55ab6ee03 # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Note: the linux-review/Krzysztof-Wilczy-ski/Allow-deferred-execution-of-iomem_get_mapping/20210626-205836 HEAD eef095b16d6c52c82c68e26f94558e39dc49f4ae builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/pci/pci-sysfs.c: In function 'pci_create_attr': >> drivers/pci/pci-sysfs.c:1198:21: error: assignment to 'struct address_space * (*)(void)' from incompatible pointer type 'struct address_space *' [-Werror=incompatible-pointer-types] 1198 | res_attr->mapping = iomem_get_mapping(); | ^ cc1: some warnings being treated as errors vim +1198 drivers/pci/pci-sysfs.c 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1165 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1166 static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1167 { 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1168 /* allocate attribute structure, piggyback attribute name */ 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1169 int name_len = write_combine ? 13 : 10; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1170 struct bin_attribute *res_attr; bd5174dfb6f171 Bjorn Helgaas 2016-03-10 1171 char *res_attr_name; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1172 int retval; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1173 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1174 res_attr = kzalloc(sizeof(*res_attr) + name_len, GFP_ATOMIC); bd5174dfb6f171 Bjorn Helgaas 2016-03-10 1175 if (!res_attr) bd5174dfb6f171 Bjorn Helgaas 2016-03-10 1176 return -ENOMEM; bd5174dfb6f171 Bjorn Helgaas 2016-03-10 1177 bd5174dfb6f171 Bjorn Helgaas 2016-03-10 1178 res_attr_name = (char *)(res_attr + 1); 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1179 a07e4156a2ee63 Eric W. Biederman 2010-02-11 1180 sysfs_bin_attr_init(res_attr); 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1181 if (write_combine) { 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1182 pdev->res_attr_wc[num] = res_attr; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1183 sprintf(res_attr_name, "resource%d_wc", num); 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1184 res_attr->mmap = pci_mmap_resource_wc; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1185 } else { 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1186 pdev->res_attr[num] = res_attr; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1187 sprintf(res_attr_name, "resource%d", num); 8633328be24267 Alex Williamson 2010-07-19 1188 if (pci_resource_flags(pdev, num) & IORESOURCE_IO) { 8633328be24267 Alex Williamson 2010-07-19 1189 res_attr->read = pci_read_resource_io; 8633328be24267 Alex Williamson 2010-07-19 1190 res_attr->write = pci_write_resource_io; e854d8b2a82ef7 David Woodhouse 2017-04-12 1191 if (arch_can_pci_mmap_io()) e854d8b2a82ef7 David Woodhouse 2017-04-12 1192 res_attr->mmap = pci_mmap_resource_uc; e854d8b2a82ef7 David Woodhouse 2017-04-12 1193 } else { e854d8b2a82ef7 David Woodhouse 2017-04-12 1194 res_attr->mmap = pci_mmap_resource_uc; e854d8b2a82ef7 David Woodhouse 2017-04-12 1195 } 8633328be24267 Alex Williamson 2010-07-19 1196 } 636b21b50152d4 Daniel Vetter 2021-02-04 1197 if (res_attr->mmap) 636b21b50152d4 Daniel Vetter 2021-02-04 @1198 res_attr->mapping = iomem_get_mapping(); 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1199 res_attr->attr.name = res_attr_name; e2154044dd4168 Kelsey Skunberg 2019-08-13 1200 res_attr->attr.mode = 0600; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1201 res_attr->size = pci_resource_len(pdev, num); dca40b186b757c David Woodhouse 2017-04-12 1202 res_attr->private = (void *)(unsigned long)num; 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1203 retval = sysfs_create_bin_file(&pdev->dev.kobj, res_attr); b562ec8f74e4ed Bjorn Helgaas 2016-03-10 1204 if (retval) b562ec8f74e4ed Bjorn Helgaas 2016-03-10 1205 kfree(res_attr); 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1206 45aec1ae72fc59 venkatesh.pallipadi@xxxxxxxxx 2008-03-18 1207 return retval; b19441af185559 Greg Kroah-Hartman 2006-08-28 1208 } b19441af185559 Greg Kroah-Hartman 2006-08-28 1209 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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