Messages in this thread | | | Date | Tue, 31 Dec 2019 15:43:39 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH 3/3] iommu: Enable compile testing for some of drivers |
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Hi Krzysztof,
I love your patch! Perhaps something to improve:
[auto build test WARNING on iommu/next] [also build test WARNING on v5.5-rc4] [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/Krzysztof-Kozlowski/iommu-omap-Fix-pointer-cast-Wpointer-to-int-cast-warnings-on-64-bit/20191231-022212 base: https://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git next config: ia64-allmodconfig (attached as .config) compiler: ia64-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=ia64
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/iommu/omap-iommu.c:33:0: drivers/iommu/omap-iommu.c: In function 'omap_iommu_iova_to_phys': >> drivers/iommu/omap-iopgtable.h:44:21: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define IOPTE_MASK (~(IOPTE_SIZE - 1)) ^ >> drivers/iommu/omap-iommu.c:1641:41: note: in expansion of macro 'IOPTE_MASK' ret = omap_iommu_translate(*pte, da, IOPTE_MASK); ^~~~~~~~~~ drivers/iommu/omap-iopgtable.h:51:23: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define IOLARGE_MASK (~(IOLARGE_SIZE - 1)) ^ >> drivers/iommu/omap-iommu.c:1643:41: note: in expansion of macro 'IOLARGE_MASK' ret = omap_iommu_translate(*pte, da, IOLARGE_MASK); ^~~~~~~~~~~~ drivers/iommu/omap-iopgtable.h:27:25: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define IOSECTION_MASK (~(IOSECTION_SIZE - 1)) ^ >> drivers/iommu/omap-iommu.c:1649:41: note: in expansion of macro 'IOSECTION_MASK' ret = omap_iommu_translate(*pgd, da, IOSECTION_MASK); ^~~~~~~~~~~~~~ drivers/iommu/omap-iopgtable.h:34:23: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define IOSUPER_MASK (~(IOSUPER_SIZE - 1)) ^ >> drivers/iommu/omap-iommu.c:1651:41: note: in expansion of macro 'IOSUPER_MASK' ret = omap_iommu_translate(*pgd, da, IOSUPER_MASK); ^~~~~~~~~~~~
vim +44 drivers/iommu/omap-iopgtable.h
97ec7d585b33bb arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2010-02-15 38 97ec7d585b33bb arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2010-02-15 39 /* 97ec7d585b33bb arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2010-02-15 40 * "small page" address mask and size definitions. 97ec7d585b33bb arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2010-02-15 41 */ a9dcad5e375800 arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2009-01-26 42 #define IOPTE_SHIFT 12 5ff98fa68c88d7 drivers/iommu/omap-iopgtable.h Suman Anna 2015-07-20 43 #define IOPTE_SIZE BIT(IOPTE_SHIFT) a9dcad5e375800 arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2009-01-26 @44 #define IOPTE_MASK (~(IOPTE_SIZE - 1)) a9dcad5e375800 arch/arm/plat-omap/iopgtable.h Hiroshi DOYU 2009-01-26 45
:::::: The code at line 44 was first introduced by commit :::::: a9dcad5e375800fcb07f7617dba23b3aade8f09d omap iommu: tlb and pagetable primitives
:::::: TO: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> :::::: CC: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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