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d="scan'208";a="356128824" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Aug 2023 09:04:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10797"; a="731872894" X-IronPort-AV: E=Sophos;i="6.01,159,1684825200"; d="scan'208";a="731872894" Received: from lkp-server01.sh.intel.com (HELO d1ccc7e87e8f) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 09 Aug 2023 09:04:37 -0700 Received: from kbuild by d1ccc7e87e8f with local (Exim 4.96) (envelope-from ) id 1qTlfp-0006E4-0P; Wed, 09 Aug 2023 16:04:37 +0000 Date: Thu, 10 Aug 2023 00:03:58 +0800 From: kernel test robot To: Linus Walleij Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [arm-integrator:virt-to-pfn-v6.5-rc1 11/12] arch/s390/include/asm/kfence.h:38:34: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' Message-ID: <202308100032.TNd9PEFv-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/linusw/linux-integrator.git virt-to-pfn-v6.5-rc1 head: b6a25d37eca4850c246b94d73bd2e3c75860d265 commit: b8edce3ddc7647f7d66a7d322afe9954fa707ee8 [11/12] s390/mm: Make virt_to_pfn() a static inline config: s390-randconfig-r044-20230809 (https://download.01.org/0day-ci/archive/20230810/202308100032.TNd9PEFv-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230810/202308100032.TNd9PEFv-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/202308100032.TNd9PEFv-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/s390/mm/init.c:25: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | 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 arch/s390/mm/init.c:25: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | 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 arch/s390/mm/init.c:25: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ In file included from arch/s390/mm/init.c:38: >> arch/s390/include/asm/kfence.h:38:34: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 38 | __kernel_map_pages(virt_to_page(addr), 1, !protect); | ^~~~ arch/s390/include/asm/page.h:201:53: note: expanded from macro 'virt_to_page' 201 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:37:40: note: expanded from macro '__pfn_to_page' 37 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ arch/s390/include/asm/page.h:195:53: note: passing argument to parameter 'kaddr' here 195 | static inline unsigned long virt_to_pfn(const void *kaddr) | ^ 12 warnings and 1 error generated. -- In file included from arch/s390/mm/pageattr.c:13: >> arch/s390/include/asm/kfence.h:38:34: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 38 | __kernel_map_pages(virt_to_page(addr), 1, !protect); | ^~~~ arch/s390/include/asm/page.h:201:53: note: expanded from macro 'virt_to_page' 201 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:37:40: note: expanded from macro '__pfn_to_page' 37 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ arch/s390/include/asm/page.h:195:53: note: passing argument to parameter 'kaddr' here 195 | static inline unsigned long virt_to_pfn(const void *kaddr) | ^ 1 error generated. -- In file included from arch/s390/mm/vmem.c:7: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | 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 arch/s390/mm/vmem.c:7: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | 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 arch/s390/mm/vmem.c:7: In file included from include/linux/memblock.h:13: In file included from arch/s390/include/asm/dma.h:5: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> arch/s390/mm/vmem.c:39:45: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 39 | WARN_ON_ONCE(PageReserved(virt_to_page(addr)))) | ^~~~ arch/s390/include/asm/page.h:201:53: note: expanded from macro 'virt_to_page' 201 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:37:40: note: expanded from macro '__pfn_to_page' 37 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ include/asm-generic/bug.h:181:41: note: expanded from macro 'WARN_ON_ONCE' 181 | #define WARN_ON_ONCE(condition) WARN_ON(condition) | ^~~~~~~~~ include/asm-generic/bug.h:168:25: note: expanded from macro 'WARN_ON' 168 | int __ret_warn_on = !!(condition); \ | ^~~~~~~~~ arch/s390/include/asm/page.h:195:53: note: passing argument to parameter 'kaddr' here 195 | static inline unsigned long virt_to_pfn(const void *kaddr) | ^ arch/s390/mm/vmem.c:514:6: warning: no previous prototype for function 'vmemmap_free' [-Wmissing-prototypes] 514 | void vmemmap_free(unsigned long start, unsigned long end, | ^ arch/s390/mm/vmem.c:514:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 514 | void vmemmap_free(unsigned long start, unsigned long end, | ^ | static 13 warnings and 1 error generated. -- >> drivers/s390/char/vmcp.c:92:23: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] 92 | page = virt_to_page((unsigned long)session->response); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/s390/include/asm/page.h:201:53: note: expanded from macro 'virt_to_page' 201 | #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) | ^~~~~ include/asm-generic/memory_model.h:37:40: note: expanded from macro '__pfn_to_page' 37 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ arch/s390/include/asm/page.h:195:53: note: passing argument to parameter 'kaddr' here 195 | static inline unsigned long virt_to_pfn(const void *kaddr) | ^ 1 error generated. vim +38 arch/s390/include/asm/kfence.h e41ba1115a351d Sven Schnelle 2021-07-28 35 e41ba1115a351d Sven Schnelle 2021-07-28 36 static inline bool kfence_protect_page(unsigned long addr, bool protect) e41ba1115a351d Sven Schnelle 2021-07-28 37 { e41ba1115a351d Sven Schnelle 2021-07-28 @38 __kernel_map_pages(virt_to_page(addr), 1, !protect); e41ba1115a351d Sven Schnelle 2021-07-28 39 return true; e41ba1115a351d Sven Schnelle 2021-07-28 40 } e41ba1115a351d Sven Schnelle 2021-07-28 41 :::::: The code at line 38 was first introduced by commit :::::: e41ba1115a351dd037c21ac75660638219d51485 s390: add support for KFENCE :::::: TO: Sven Schnelle :::::: CC: Heiko Carstens -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki