* [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 *'
@ 2023-08-09 16:03 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-08-09 16:03 UTC (permalink / raw)
To: Linus Walleij; +Cc: llvm, oe-kbuild-all
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 <lkp@intel.com>
| 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 <svens@linux.ibm.com>
:::::: CC: Heiko Carstens <hca@linux.ibm.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2023-08-09 16:03 [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 *' kernel test robot
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