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X-CSE-ConnectionGUID: nONqFaeWRhuH9lTUyRuWcg== X-CSE-MsgGUID: 5ZDrLpg2S5iyxSzyRvR64w== X-IronPort-AV: E=McAfee;i="6700,10204,11144"; a="42268779" X-IronPort-AV: E=Sophos;i="6.09,237,1716274800"; d="scan'208";a="42268779" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2024 19:54:36 -0700 X-CSE-ConnectionGUID: qtjGT05/R6KWaCiqMxyIUw== X-CSE-MsgGUID: 6rUEs2VlQ1uOxS4HNIplvQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,237,1716274800"; d="scan'208";a="58244244" Received: from lkp-server01.sh.intel.com (HELO 68891e0c336b) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 25 Jul 2024 19:54:35 -0700 Received: from kbuild by 68891e0c336b with local (Exim 4.96) (envelope-from ) id 1sXB6G-000olu-30; Fri, 26 Jul 2024 02:54:32 +0000 Date: Fri, 26 Jul 2024 10:53:38 +0800 From: kernel test robot To: Leon Romanovsky Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [leon-rdma:dma-split-v2 7/23] drivers/iommu/dma-iommu.c:1829:6: error: call to undeclared function 'cc_platform_has'; ISO C99 and later do not support implicit function declarations Message-ID: <202407261007.pjOZIhA2-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git dma-split-v2 head: b957d69a55716514597d798fb534c7df6a7619f5 commit: 5d7d3730d83d48c6ae1c71882b9cabd4126edcff [7/23] iommu/dma: Add check if IOVA can be used config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240726/202407261007.pjOZIhA2-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project ccae7b461be339e717d02f99ac857cf0bc7d17fc) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240726/202407261007.pjOZIhA2-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202407261007.pjOZIhA2-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/iommu/dma-iommu.c:11: In file included from include/linux/acpi_iort.h:10: In file included from include/linux/acpi.h:14: In file included from include/linux/device.h:32: In file included from include/linux/device/driver.h:21: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2258: include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 500 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 501 | item]; | ~~~~ include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 507 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 508 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 514 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 519 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 520 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 528 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 529 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/iommu/dma-iommu.c:13: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:20: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/iommu/dma-iommu.c:13: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:20: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/iommu/dma-iommu.c:13: In file included from include/linux/crash_dump.h:5: In file included from include/linux/kexec.h:20: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/iommu/dma-iommu.c:1829:6: error: call to undeclared function 'cc_platform_has'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1829 | if (cc_platform_has(CC_ATTR_MEM_ENCRYPT)) | ^ >> drivers/iommu/dma-iommu.c:1829:22: error: use of undeclared identifier 'CC_ATTR_MEM_ENCRYPT' 1829 | if (cc_platform_has(CC_ATTR_MEM_ENCRYPT)) | ^ 17 warnings and 2 errors generated. vim +/cc_platform_has +1829 drivers/iommu/dma-iommu.c 1819 1820 bool iommu_can_use_iova(struct device *dev, struct page *page, size_t size, 1821 enum dma_data_direction dir) 1822 { 1823 enum pci_p2pdma_map_type map; 1824 1825 if (is_swiotlb_force_bounce(dev) || dev_use_swiotlb(dev, size, dir)) 1826 return false; 1827 1828 /* TODO: Rewrite this check to rely on specific struct page flags */ > 1829 if (cc_platform_has(CC_ATTR_MEM_ENCRYPT)) 1830 return false; 1831 1832 if (page && is_pci_p2pdma_page(page)) { 1833 map = pci_p2pdma_map_type(page->pgmap, dev); 1834 return map == PCI_P2PDMA_MAP_THRU_HOST_BRIDGE; 1835 } 1836 1837 return true; 1838 } 1839 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki