tree: https://github.com/AsahiLinux/linux dart/dev head: 1bc74c306de810171ce90d15c42ac846bbf183dc commit: df7d638f551bba7275f5deedee488db2b7fbcc51 [1/4] iommu/dma: Fix IOVA reserve dma ranges 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/AsahiLinux/linux/commit/df7d638f551bba7275f5deedee488db2b7fbcc51 git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux dart/dev git checkout df7d638f551bba7275f5deedee488db2b7fbcc51 # 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 <l...@intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/acpi.h:15,
from include/linux/acpi_iort.h:10,
from drivers/iommu/dma-iommu.c:11:
drivers/iommu/dma-iommu.c: In function 'iova_reserve_pci_windows':
>> drivers/iommu/dma-iommu.c:249:5: warning: format '%llx' expects argument of
>> type 'long long unsigned int', but argument 3 has type 'phys_addr_t' {aka
>> 'unsigned int'} [-Wformat=]
249 | "Failed to reserve IOVA [%#010llx-%#010llx]\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/iommu/dma-iommu.c:248:4: note: in expansion of macro 'dev_err'
248 | dev_err(&dev->dev,
| ^~~~~~~
drivers/iommu/dma-iommu.c:249:37: note: format string is defined here
249 | "Failed to reserve IOVA [%#010llx-%#010llx]\n",
| ~~~~~~~^
| |
| long long unsigned int
| %#010x
In file included from include/linux/device.h:15,
from include/linux/acpi.h:15,
from include/linux/acpi_iort.h:10,
from drivers/iommu/dma-iommu.c:11:
drivers/iommu/dma-iommu.c:249:5: warning: format '%llx' expects argument of
type 'long long unsigned int', but argument 4 has type 'phys_addr_t' {aka
'unsigned int'} [-Wformat=]
249 | "Failed to reserve IOVA [%#010llx-%#010llx]\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
19 | #define dev_fmt(fmt) fmt
| ^~~
drivers/iommu/dma-iommu.c:248:4: note: in expansion of macro 'dev_err'
248 | dev_err(&dev->dev,
| ^~~~~~~
drivers/iommu/dma-iommu.c:249:46: note: format string is defined here
249 | "Failed to reserve IOVA [%#010llx-%#010llx]\n",
| ~~~~~~~^
| |
| long long unsigned int
| %#010x
vim +249 drivers/iommu/dma-iommu.c
220
221 static int iova_reserve_pci_windows(struct pci_dev *dev,
222 struct iova_domain *iovad)
223 {
224 struct pci_host_bridge *bridge = pci_find_host_bridge(dev->bus);
225 struct resource_entry *window;
226 unsigned long lo, hi;
227 phys_addr_t start = 0, end;
228
229 resource_list_for_each_entry(window, &bridge->windows) {
230 if (resource_type(window->res) != IORESOURCE_MEM)
231 continue;
232
233 lo = iova_pfn(iovad, window->res->start -
window->offset);
234 hi = iova_pfn(iovad, window->res->end - window->offset);
235 reserve_iova(iovad, lo, hi);
236 }
237
238 /* Get reserved DMA windows from host bridge */
239 resource_list_for_each_entry(window, &bridge->dma_ranges) {
240 end = window->res->start - window->offset;
241 resv_iova:
242 if (end > start) {
243 lo = iova_pfn(iovad, start);
244 hi = iova_pfn(iovad, end);
245 reserve_iova(iovad, lo, hi);
246 } else if (end < start) {
247 /* dma_ranges list should be sorted */
248 dev_err(&dev->dev,
> 249 "Failed to reserve IOVA
> [%#010llx-%#010llx]\n",
250 start, end);
251 return -EINVAL;
252 }
253
254 start = window->res->end - window->offset + 1;
255 /* If window is last entry */
256 if (window->node.next == &bridge->dma_ranges &&
257 end != ~(phys_addr_t)0) {
258 end = ~(phys_addr_t)0;
259 goto resv_iova;
260 }
261 }
262
263 return 0;
264 }
265
---
0-DAY CI Kernel Test Service, Intel Corporation
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