* [rppt:memblock/iterators-cleanup/v3 12/17] arch/s390/mm/vmem.c:561:3: error: implicit declaration of function 'vmem_add_mem'
@ 2020-08-09 19:04 kernel test robot
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From: kernel test robot @ 2020-08-09 19:04 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git memblock/iterators-cleanup/v3
head: f0d593460d044672ca2ea065efc283e30dd23ef1
commit: 01b2e0673f21479222dd0f387b5b73ec037d8096 [12/17] arch, drivers: replace for_each_membock() with for_each_mem_range()
config: s390-randconfig-r003-20200810 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 0b90a08f7722980f6074c6eada8022242408cdb4)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
git checkout 01b2e0673f21479222dd0f387b5b73ec037d8096
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
^
In file included from arch/s390/mm/vmem.c:7:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:20:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
^
In file included from arch/s390/mm/vmem.c:7:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:21:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
^
In file included from arch/s390/mm/vmem.c:7:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:119:21: note: expanded from macro '__swab32'
___constant_swab32(x) : \
^
include/uapi/linux/swab.h:22:12: note: expanded from macro '___constant_swab32'
(((__u32)(x) & (__u32)0xff000000UL) >> 24)))
^
In file included from arch/s390/mm/vmem.c:7:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:490:45: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu(__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
^
include/uapi/linux/swab.h:120:12: note: expanded from macro '__swab32'
__fswab32(x))
^
In file included from arch/s390/mm/vmem.c:7:
In file included from include/linux/memblock.h:14:
In file included from arch/s390/include/asm/dma.h:5:
In file included from arch/s390/include/asm/io.h:72:
include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:511:46: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew(cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:521:46: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel(cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:609:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:617:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:625:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
readsl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:634:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesb(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:643:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesw(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
include/asm-generic/io.h:652:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
writesl(PCI_IOBASE + addr, buffer, count);
~~~~~~~~~~ ^
arch/s390/mm/vmem.c:519:6: warning: no previous prototype for function 'vmemmap_free' [-Wmissing-prototypes]
void vmemmap_free(unsigned long start, unsigned long end,
^
arch/s390/mm/vmem.c:519:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void vmemmap_free(unsigned long start, unsigned long end,
^
static
>> arch/s390/mm/vmem.c:561:3: error: implicit declaration of function 'vmem_add_mem' [-Werror,-Wimplicit-function-declaration]
vmem_add_mem(start, end - start);
^
21 warnings and 1 error generated.
vim +/vmem_add_mem +561 arch/s390/mm/vmem.c
549
550 /*
551 * map whole physical memory to virtual memory (identity mapping)
552 * we reserve enough space in the vmalloc area for vmemmap to hotplug
553 * additional memory segments.
554 */
555 void __init vmem_map_init(void)
556 {
557 phys_addr_t start, end;
558 u64 i;
559
560 for_each_mem_range(i, &start, &end)
> 561 vmem_add_mem(start, end - start);
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2020-08-09 19:04 [rppt:memblock/iterators-cleanup/v3 12/17] arch/s390/mm/vmem.c:561:3: error: implicit declaration of function 'vmem_add_mem' kernel test robot
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