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* Re: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
       [not found] <20241008075023.3052370-2-jvetter@kalrayinc.com>
@ 2024-10-09  2:54 ` kernel test robot
  2024-10-09  3:25 ` kernel test robot
  2024-10-09  7:13 ` kernel test robot
  2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2024-10-09  2:54 UTC (permalink / raw)
  To: Julian Vetter, Arnd Bergmann, Russell King, Catalin Marinas,
	Will Deacon, Guo Ren, Huacai Chen, WANG Xuerui, Andrew Morton,
	Geert Uytterhoeven, Richard Henderson, Ivan Kokshaysky,
	Matt Turner, James E . J . Bottomley, Helge Deller,
	Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz,
	Richard Weinberger, Anton Ivanov, Johannes Berg,
	Michael Ellerman, Nicholas Piggin, Christophe Leroy,
	Naveen N Rao, Madhavan Srinivasan, Heiko Carstens, Vasily Gorbik,
	Alexander Gordeev, Christian Borntraeger
  Cc: oe-kbuild-all, Linux Memory Management List

Hi Julian,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes arm64/for-next/core deller-parisc/for-next s390/features mtd/mtd/next mtd/mtd/fixes linus/master arm/for-next arm/fixes v6.12-rc2 next-20241008]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-IO-memcpy-memset-into-iomap_copy-c/20241008-163134
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20241008075023.3052370-2-jvetter%40kalrayinc.com
patch subject: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
config: sparc-allnoconfig (https://download.01.org/0day-ci/archive/20241009/202410091032.Q4NgrjoB-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410091032.Q4NgrjoB-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/202410091032.Q4NgrjoB-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from arch/sparc/include/asm/io.h:7,
                    from include/linux/io.h:14,
                    from include/linux/irq.h:20,
                    from include/asm-generic/hardirq.h:17,
                    from arch/sparc/include/asm/hardirq_32.h:11,
                    from arch/sparc/include/asm/hardirq.h:7,
                    from include/linux/hardirq.h:11,
                    from include/linux/highmem.h:12,
                    from include/linux/pagemap.h:11,
                    from lib/buildid.c:7:
>> arch/sparc/include/asm/io_32.h:23:20: error: static declaration of '_memset_io' follows non-static declaration
      23 | static inline void _memset_io(volatile void __iomem *dst,
         |                    ^~~~~~~~~~
   arch/sparc/include/asm/io_32.h:10:31: note: previous declaration of '_memset_io' with type 'void(volatile void *, int,  size_t)' {aka 'void(volatile void *, int,  unsigned int)'}
      10 | #define memset_io(d,c,sz)     _memset_io(d,c,sz)
         |                               ^~~~~~~~~~
   include/asm-generic/io.h:109:13: note: in expansion of macro 'memset_io'
     109 | extern void memset_io(volatile void __iomem *dst, int c, size_t count);
         |             ^~~~~~~~~
>> arch/sparc/include/asm/io_32.h:34:20: error: static declaration of '_memcpy_fromio' follows non-static declaration
      34 | static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
         |                    ^~~~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:11:31: note: previous declaration of '_memcpy_fromio' with type 'void(void *, const volatile void *, size_t)' {aka 'void(void *, const volatile void *, unsigned int)'}
      11 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
         |                               ^~~~~~~~~~~~~~
   include/asm-generic/io.h:105:13: note: in expansion of macro 'memcpy_fromio'
     105 | extern void memcpy_fromio(void *to, const volatile void __iomem *from,
         |             ^~~~~~~~~~~~~
>> arch/sparc/include/asm/io_32.h:46:20: error: static declaration of '_memcpy_toio' follows non-static declaration
      46 | static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
         |                    ^~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:12:31: note: previous declaration of '_memcpy_toio' with type 'void(volatile void *, const void *, size_t)' {aka 'void(volatile void *, const void *, unsigned int)'}
      12 | #define memcpy_toio(d,s,sz)   _memcpy_toio(d,s,sz)
         |                               ^~~~~~~~~~~~
   include/asm-generic/io.h:107:13: note: in expansion of macro 'memcpy_toio'
     107 | extern void memcpy_toio(volatile void __iomem *to, const void *from,
         |             ^~~~~~~~~~~
--
   In file included from arch/sparc/include/asm/io.h:7,
                    from include/linux/io.h:14,
                    from include/linux/irq.h:20,
                    from include/asm-generic/hardirq.h:17,
                    from arch/sparc/include/asm/hardirq_32.h:11,
                    from arch/sparc/include/asm/hardirq.h:7,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from include/linux/rtc.h:17,
                    from lib/vsprintf.c:36:
>> arch/sparc/include/asm/io_32.h:23:20: error: static declaration of '_memset_io' follows non-static declaration
      23 | static inline void _memset_io(volatile void __iomem *dst,
         |                    ^~~~~~~~~~
   arch/sparc/include/asm/io_32.h:10:31: note: previous declaration of '_memset_io' with type 'void(volatile void *, int,  size_t)' {aka 'void(volatile void *, int,  unsigned int)'}
      10 | #define memset_io(d,c,sz)     _memset_io(d,c,sz)
         |                               ^~~~~~~~~~
   include/asm-generic/io.h:109:13: note: in expansion of macro 'memset_io'
     109 | extern void memset_io(volatile void __iomem *dst, int c, size_t count);
         |             ^~~~~~~~~
>> arch/sparc/include/asm/io_32.h:34:20: error: static declaration of '_memcpy_fromio' follows non-static declaration
      34 | static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
         |                    ^~~~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:11:31: note: previous declaration of '_memcpy_fromio' with type 'void(void *, const volatile void *, size_t)' {aka 'void(void *, const volatile void *, unsigned int)'}
      11 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
         |                               ^~~~~~~~~~~~~~
   include/asm-generic/io.h:105:13: note: in expansion of macro 'memcpy_fromio'
     105 | extern void memcpy_fromio(void *to, const volatile void __iomem *from,
         |             ^~~~~~~~~~~~~
>> arch/sparc/include/asm/io_32.h:46:20: error: static declaration of '_memcpy_toio' follows non-static declaration
      46 | static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
         |                    ^~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:12:31: note: previous declaration of '_memcpy_toio' with type 'void(volatile void *, const void *, size_t)' {aka 'void(volatile void *, const void *, unsigned int)'}
      12 | #define memcpy_toio(d,s,sz)   _memcpy_toio(d,s,sz)
         |                               ^~~~~~~~~~~~
   include/asm-generic/io.h:107:13: note: in expansion of macro 'memcpy_toio'
     107 | extern void memcpy_toio(volatile void __iomem *to, const void *from,
         |             ^~~~~~~~~~~
   lib/vsprintf.c: In function 'va_format':
   lib/vsprintf.c:1683:9: warning: function 'va_format' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    1683 |         buf += vsnprintf(buf, end > buf ? end - buf : 0, va_fmt->fmt, va);
         |         ^~~
--
   In file included from arch/sparc/include/asm/io.h:7,
                    from include/linux/io.h:14,
                    from lib/iomap_copy.c:8:
>> arch/sparc/include/asm/io_32.h:23:20: error: static declaration of '_memset_io' follows non-static declaration
      23 | static inline void _memset_io(volatile void __iomem *dst,
         |                    ^~~~~~~~~~
   arch/sparc/include/asm/io_32.h:10:31: note: previous declaration of '_memset_io' with type 'void(volatile void *, int,  size_t)' {aka 'void(volatile void *, int,  unsigned int)'}
      10 | #define memset_io(d,c,sz)     _memset_io(d,c,sz)
         |                               ^~~~~~~~~~
   include/asm-generic/io.h:109:13: note: in expansion of macro 'memset_io'
     109 | extern void memset_io(volatile void __iomem *dst, int c, size_t count);
         |             ^~~~~~~~~
>> arch/sparc/include/asm/io_32.h:34:20: error: static declaration of '_memcpy_fromio' follows non-static declaration
      34 | static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
         |                    ^~~~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:11:31: note: previous declaration of '_memcpy_fromio' with type 'void(void *, const volatile void *, size_t)' {aka 'void(void *, const volatile void *, unsigned int)'}
      11 | #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz)
         |                               ^~~~~~~~~~~~~~
   include/asm-generic/io.h:105:13: note: in expansion of macro 'memcpy_fromio'
     105 | extern void memcpy_fromio(void *to, const volatile void __iomem *from,
         |             ^~~~~~~~~~~~~
>> arch/sparc/include/asm/io_32.h:46:20: error: static declaration of '_memcpy_toio' follows non-static declaration
      46 | static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
         |                    ^~~~~~~~~~~~
   arch/sparc/include/asm/io_32.h:12:31: note: previous declaration of '_memcpy_toio' with type 'void(volatile void *, const void *, size_t)' {aka 'void(volatile void *, const void *, unsigned int)'}
      12 | #define memcpy_toio(d,s,sz)   _memcpy_toio(d,s,sz)
         |                               ^~~~~~~~~~~~
   include/asm-generic/io.h:107:13: note: in expansion of macro 'memcpy_toio'
     107 | extern void memcpy_toio(volatile void __iomem *to, const void *from,
         |             ^~~~~~~~~~~
   lib/iomap_copy.c:10:10: fatal error: linux/unaligned.h: No such file or directory
      10 | #include <linux/unaligned.h>
         |          ^~~~~~~~~~~~~~~~~~~
   compilation terminated.


vim +/_memset_io +23 arch/sparc/include/asm/io_32.h

f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  22  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26 @23  static inline void _memset_io(volatile void __iomem *dst,
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  24                                int c, __kernel_size_t n)
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  25  {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  26  	volatile void __iomem *d = dst;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  27  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  28  	while (n--) {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  29  		writeb(c, d);
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  30  		d++;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  31  	}
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  32  }
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  33  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26 @34  static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src,
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  35                                    __kernel_size_t n)
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  36  {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  37  	char *d = dst;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  38  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  39  	while (n--) {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  40  		char tmp = readb(src);
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  41  		*d++ = tmp;
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  42  		src++;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  43  	}
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  44  }
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  45  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26 @46  static inline void _memcpy_toio(volatile void __iomem *dst, const void *src,
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  47                                  __kernel_size_t n)
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  48  {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  49  	const char *s = src;
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  50  	volatile void __iomem *d = dst;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  51  
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  52  	while (n--) {
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  53  		char tmp = *s++;
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  54  		writeb(tmp, d);
e1039fb426094d arch/sparc/include/asm/io_32.h Sam Ravnborg 2014-04-26  55  		d++;
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  56  	}
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  57  }
f5e706ad886b6a include/asm-sparc/io_32.h      Sam Ravnborg 2008-07-17  58  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
       [not found] <20241008075023.3052370-2-jvetter@kalrayinc.com>
  2024-10-09  2:54 ` [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c kernel test robot
@ 2024-10-09  3:25 ` kernel test robot
  2024-10-09  7:13 ` kernel test robot
  2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2024-10-09  3:25 UTC (permalink / raw)
  To: Julian Vetter, Arnd Bergmann, Russell King, Catalin Marinas,
	Will Deacon, Guo Ren, Huacai Chen, WANG Xuerui, Andrew Morton,
	Geert Uytterhoeven, Richard Henderson, Ivan Kokshaysky,
	Matt Turner, James E . J . Bottomley, Helge Deller,
	Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz,
	Richard Weinberger, Anton Ivanov, Johannes Berg,
	Michael Ellerman, Nicholas Piggin, Christophe Leroy,
	Naveen N Rao, Madhavan Srinivasan, Heiko Carstens, Vasily Gorbik,
	Alexander Gordeev, Christian Borntraeger
  Cc: llvm, oe-kbuild-all, Linux Memory Management List

Hi Julian,

kernel test robot noticed the following build errors:

[auto build test ERROR on powerpc/next]
[also build test ERROR on powerpc/fixes arm64/for-next/core deller-parisc/for-next s390/features mtd/mtd/next mtd/mtd/fixes linus/master arm/for-next arm/fixes v6.12-rc2 next-20241008]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-IO-memcpy-memset-into-iomap_copy-c/20241008-163134
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20241008075023.3052370-2-jvetter%40kalrayinc.com
patch subject: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20241009/202410091134.mtrlor1I-lkp@intel.com/config)
compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 70e0a7e7e6a8541bcc46908c592eed561850e416)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410091134.mtrlor1I-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/202410091134.mtrlor1I-lkp@intel.com/

All errors (new ones prefixed by >>):

   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]
   In file included from arch/hexagon/kernel/asm-offsets.c:15:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
>> include/asm-generic/io.h:105:13: error: conflicting types for 'memcpy_fromio'
   105 | extern void memcpy_fromio(void *to, const volatile void __iomem *from,
   |             ^
   arch/hexagon/include/asm/io.h:314:23: note: expanded from macro 'memcpy_fromio'
   314 | #define memcpy_fromio memcpy_fromio
   |                       ^
   arch/hexagon/include/asm/io.h:173:20: note: previous definition is here
   173 | static inline void memcpy_fromio(void *dst, const volatile void __iomem *src,
   |                    ^
   In file included from arch/hexagon/kernel/asm-offsets.c:15:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
>> include/asm-generic/io.h:107:13: error: conflicting types for 'memcpy_toio'
   107 | extern void memcpy_toio(volatile void __iomem *to, const void *from,
   |             ^
   arch/hexagon/include/asm/io.h:315:21: note: expanded from macro 'memcpy_toio'
   315 | #define memcpy_toio memcpy_toio
   |                     ^
   arch/hexagon/include/asm/io.h:179:20: note: previous definition is here
   179 | static inline void memcpy_toio(volatile void __iomem *dst, const void *src,
   |                    ^
   In file included from arch/hexagon/kernel/asm-offsets.c:15:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:554:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   554 |         val = __raw_readb(PCI_IOBASE + addr);
   |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:567:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   567 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
   |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
   37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
   |                                                   ^
   In file included from arch/hexagon/kernel/asm-offsets.c:15:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:580:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   580 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
   |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
   35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
   |                                                   ^
   In file included from arch/hexagon/kernel/asm-offsets.c:15:
   In file included from include/linux/interrupt.h:11:
   In file included from include/linux/hardirq.h:11:
   In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
   In file included from include/asm-generic/hardirq.h:17:
   In file included from include/linux/irq.h:20:
   In file included from include/linux/io.h:14:
   In file included from arch/hexagon/include/asm/io.h:328:
   include/asm-generic/io.h:591:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   591 |         __raw_writeb(value, PCI_IOBASE + addr);
   |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:601:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   601 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
   |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:611:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
   611 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
   |                                                       ~~~~~~~~~~ ^
   6 warnings and 2 errors generated.
   make[3]: *** [scripts/Makefile.build:102: arch/hexagon/kernel/asm-offsets.s] Error 1
   make[3]: Target 'prepare' not remade because of errors.
   make[2]: *** [Makefile:1203: prepare0] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:224: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:224: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MODVERSIONS
   Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y]
   Selected by [y]:
   - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y]
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]


vim +/memcpy_fromio +105 include/asm-generic/io.h

   104	
 > 105	extern void memcpy_fromio(void *to, const volatile void __iomem *from,
   106				  size_t count);
 > 107	extern void memcpy_toio(volatile void __iomem *to, const void *from,
   108				size_t count);
   109	extern void memset_io(volatile void __iomem *dst, int c, size_t count);
   110	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
       [not found] <20241008075023.3052370-2-jvetter@kalrayinc.com>
  2024-10-09  2:54 ` [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c kernel test robot
  2024-10-09  3:25 ` kernel test robot
@ 2024-10-09  7:13 ` kernel test robot
  2 siblings, 0 replies; 3+ messages in thread
From: kernel test robot @ 2024-10-09  7:13 UTC (permalink / raw)
  To: Julian Vetter, Arnd Bergmann, Russell King, Catalin Marinas,
	Will Deacon, Guo Ren, Huacai Chen, WANG Xuerui, Andrew Morton,
	Geert Uytterhoeven, Richard Henderson, Ivan Kokshaysky,
	Matt Turner, James E . J . Bottomley, Helge Deller,
	Yoshinori Sato, Rich Felker, John Paul Adrian Glaubitz,
	Richard Weinberger, Anton Ivanov, Johannes Berg,
	Michael Ellerman, Nicholas Piggin, Christophe Leroy,
	Naveen N Rao, Madhavan Srinivasan, Heiko Carstens, Vasily Gorbik,
	Alexander Gordeev, Christian Borntraeger
  Cc: oe-kbuild-all, Linux Memory Management List

Hi Julian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on powerpc/next]
[also build test WARNING on powerpc/fixes arm64/for-next/core deller-parisc/for-next s390/features mtd/mtd/next mtd/mtd/fixes linus/master arm/for-next arm/fixes v6.12-rc2 next-20241008]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Julian-Vetter/Consolidate-IO-memcpy-memset-into-iomap_copy-c/20241008-163134
base:   https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
patch link:    https://lore.kernel.org/r/20241008075023.3052370-2-jvetter%40kalrayinc.com
patch subject: [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c
config: x86_64-randconfig-121-20241009 (https://download.01.org/0day-ci/archive/20241009/202410091406.PM7WcKcj-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241009/202410091406.PM7WcKcj-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/202410091406.PM7WcKcj-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/misc/ibmasm/lowlevel.c:35:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *to @@     got struct i2o_header * @@
   drivers/misc/ibmasm/lowlevel.c:35:22: sparse:     expected void volatile [noderef] __iomem *to
   drivers/misc/ibmasm/lowlevel.c:35:22: sparse:     got struct i2o_header *
>> drivers/misc/ibmasm/lowlevel.c:36:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void volatile [noderef] __iomem *to @@     got void ** @@
   drivers/misc/ibmasm/lowlevel.c:36:22: sparse:     expected void volatile [noderef] __iomem *to
   drivers/misc/ibmasm/lowlevel.c:36:22: sparse:     got void **
   drivers/misc/ibmasm/lowlevel.c: note: in included file:
   drivers/misc/ibmasm/lowlevel.h:120:17: sparse: sparse: cast removes address space '__iomem' of expression
   drivers/misc/ibmasm/lowlevel.h:120:17: sparse: sparse: cast removes address space '__iomem' of expression
--
>> drivers/misc/ibmasm/heartbeat.c:85:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const volatile [noderef] __iomem *from @@     got void *message @@
   drivers/misc/ibmasm/heartbeat.c:85:36: sparse:     expected void const volatile [noderef] __iomem *from
   drivers/misc/ibmasm/heartbeat.c:85:36: sparse:     got void *message
--
>> drivers/misc/ibmasm/event.c:54:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const volatile [noderef] __iomem *from @@     got void *data @@
   drivers/misc/ibmasm/event.c:54:36: sparse:     expected void const volatile [noderef] __iomem *from
   drivers/misc/ibmasm/event.c:54:36: sparse:     got void *data
--
   drivers/misc/ibmasm/remote.c:180:39: sparse: sparse: cast removes address space '__iomem' of expression
>> drivers/misc/ibmasm/remote.c:180:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const volatile [noderef] __iomem *from @@     got void * @@
   drivers/misc/ibmasm/remote.c:180:39: sparse:     expected void const volatile [noderef] __iomem *from
   drivers/misc/ibmasm/remote.c:180:39: sparse:     got void *
--
>> drivers/misc/ibmasm/command.c:168:36: sparse: sparse: incorrect type in argument 2 (different address spaces) @@     expected void const volatile [noderef] __iomem *from @@     got void *response @@
   drivers/misc/ibmasm/command.c:168:36: sparse:     expected void const volatile [noderef] __iomem *from
   drivers/misc/ibmasm/command.c:168:36: sparse:     got void *response

vim +35 drivers/misc/ibmasm/lowlevel.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  17  
^1da177e4c3f41 Linus Torvalds 2005-04-16  18  
^1da177e4c3f41 Linus Torvalds 2005-04-16  19  int ibmasm_send_i2o_message(struct service_processor *sp)
^1da177e4c3f41 Linus Torvalds 2005-04-16  20  {
^1da177e4c3f41 Linus Torvalds 2005-04-16  21  	u32 mfa;
^1da177e4c3f41 Linus Torvalds 2005-04-16  22  	unsigned int command_size;
^1da177e4c3f41 Linus Torvalds 2005-04-16  23  	struct i2o_message *message;
^1da177e4c3f41 Linus Torvalds 2005-04-16  24  	struct command *command = sp->current_command;
^1da177e4c3f41 Linus Torvalds 2005-04-16  25  
^1da177e4c3f41 Linus Torvalds 2005-04-16  26  	mfa = get_mfa_inbound(sp->base_address);
^1da177e4c3f41 Linus Torvalds 2005-04-16  27  	if (!mfa)
^1da177e4c3f41 Linus Torvalds 2005-04-16  28  		return 1;
^1da177e4c3f41 Linus Torvalds 2005-04-16  29  
^1da177e4c3f41 Linus Torvalds 2005-04-16  30  	command_size = get_dot_command_size(command->buffer);
^1da177e4c3f41 Linus Torvalds 2005-04-16  31  	header.message_size = outgoing_message_size(command_size);
^1da177e4c3f41 Linus Torvalds 2005-04-16  32  
^1da177e4c3f41 Linus Torvalds 2005-04-16  33  	message = get_i2o_message(sp->base_address, mfa);
^1da177e4c3f41 Linus Torvalds 2005-04-16  34  
278d72ae8803ff Max Asbock     2005-06-21 @35  	memcpy_toio(&message->header, &header, sizeof(struct i2o_header));
278d72ae8803ff Max Asbock     2005-06-21 @36  	memcpy_toio(&message->data, command->buffer, command_size);
^1da177e4c3f41 Linus Torvalds 2005-04-16  37  
^1da177e4c3f41 Linus Torvalds 2005-04-16  38  	set_mfa_inbound(sp->base_address, mfa);
^1da177e4c3f41 Linus Torvalds 2005-04-16  39  
^1da177e4c3f41 Linus Torvalds 2005-04-16  40  	return 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16  41  }
^1da177e4c3f41 Linus Torvalds 2005-04-16  42  

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


^ permalink raw reply	[flat|nested] 3+ messages in thread

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     [not found] <20241008075023.3052370-2-jvetter@kalrayinc.com>
2024-10-09  2:54 ` [PATCH v8 01/14] Consolidate IO memcpy/memset into iomap_copy.c kernel test robot
2024-10-09  3:25 ` kernel test robot
2024-10-09  7:13 ` kernel test robot

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