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* [linux-next:master 9057/9385] arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
@ 2023-06-13 19:31 kernel test robot
  2023-06-13 19:51 ` Catalin Marinas
  0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2023-06-13 19:31 UTC (permalink / raw)
  To: Catalin Marinas
  Cc: oe-kbuild-all, Linux Memory Management List, Andrew Morton

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   1f6ce8392d6ff486af5ca96df9ded5882c4b6977
commit: cc7335787e73348bb173dda3c17ecc7adc78d8d5 [9057/9385] mm/slab: decouple ARCH_KMALLOC_MINALIGN from ARCH_DMA_MINALIGN
config: microblaze-buildonly-randconfig-r002-20230612 (https://download.01.org/0day-ci/archive/20230614/202306140347.S9nJS3Al-lkp@intel.com/config)
compiler: microblaze-linux-gcc (GCC) 12.3.0
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=cc7335787e73348bb173dda3c17ecc7adc78d8d5
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout cc7335787e73348bb173dda3c17ecc7adc78d8d5
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=microblaze olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.3.0 ~/bin/make.cross W=1 O=build_dir ARCH=microblaze prepare

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/202306140347.S9nJS3Al-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from include/linux/shm.h:6,
                    from include/linux/sched.h:16,
                    from arch/microblaze/kernel/asm-offsets.c:13:
>> arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
      34 | #define ARCH_DMA_MINALIGN       L1_CACHE_BYTES
         | 
   In file included from include/linux/debug_locks.h:6,
                    from include/linux/mutex.h:21,
                    from include/linux/rhashtable-types.h:14,
                    from include/linux/ipc.h:7,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/sched.h:15:
   include/linux/cache.h:104: note: this is the location of the previous definition
     104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
         | 
--
   In file included from include/linux/shm.h:6,
                    from include/linux/sched.h:16,
                    from include/linux/ptrace.h:6,
                    from include/uapi/asm-generic/bpf_perf_event.h:4,
                    from ./arch/microblaze/include/generated/uapi/asm/bpf_perf_event.h:1,
                    from include/uapi/linux/bpf_perf_event.h:11,
                    from kernel/bpf/btf.c:6:
>> arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
      34 | #define ARCH_DMA_MINALIGN       L1_CACHE_BYTES
         | 
   In file included from include/linux/debug_locks.h:6,
                    from include/linux/mutex.h:21,
                    from include/linux/rhashtable-types.h:14,
                    from include/linux/ipc.h:7,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/sched.h:15:
   include/linux/cache.h:104: note: this is the location of the previous definition
     104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
         | 
   kernel/bpf/btf.c: In function 'btf_seq_show':
   kernel/bpf/btf.c:7071:29: warning: function 'btf_seq_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    7071 |         seq_vprintf((struct seq_file *)show->target, fmt, args);
         |                             ^~~~~~~~
   kernel/bpf/btf.c: In function 'btf_snprintf_show':
   kernel/bpf/btf.c:7108:9: warning: function 'btf_snprintf_show' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
    7108 |         len = vsnprintf(show->target, ssnprintf->len_left, fmt, args);
         |         ^~~
--
   In file included from include/linux/mm_types_task.h:16,
                    from include/linux/mm_types.h:5,
                    from include/linux/bpf.h:16,
                    from include/linux/filter.h:9,
                    from kernel/bpf/core.c:21:
>> arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
      34 | #define ARCH_DMA_MINALIGN       L1_CACHE_BYTES
         | 
   In file included from include/linux/time.h:5,
                    from include/linux/ktime.h:24,
                    from include/linux/timer.h:6,
                    from include/linux/workqueue.h:9,
                    from include/linux/bpf.h:10:
   include/linux/cache.h:104: note: this is the location of the previous definition
     104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
         | 
   kernel/bpf/core.c:1638:12: warning: no previous prototype for 'bpf_probe_read_kernel' [-Wmissing-prototypes]
    1638 | u64 __weak bpf_probe_read_kernel(void *dst, u32 size, const void *unsafe_ptr)
         |            ^~~~~~~~~~~~~~~~~~~~~
--
   In file included from include/linux/shm.h:6,
                    from include/linux/sched.h:16,
                    from arch/microblaze/kernel/asm-offsets.c:13:
>> arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
      34 | #define ARCH_DMA_MINALIGN       L1_CACHE_BYTES
         | 
   In file included from include/linux/debug_locks.h:6,
                    from include/linux/mutex.h:21,
                    from include/linux/rhashtable-types.h:14,
                    from include/linux/ipc.h:7,
                    from include/uapi/linux/sem.h:5,
                    from include/linux/sem.h:5,
                    from include/linux/sched.h:15:
   include/linux/cache.h:104: note: this is the location of the previous definition
     104 | #define ARCH_DMA_MINALIGN __alignof__(unsigned long long)
         | 


vim +/ARCH_DMA_MINALIGN +34 arch/microblaze/include/asm/page.h

4b87d7a4f91d31 Michal Simek    2009-03-27  32  
de925d9d3b6439 Michal Simek    2010-04-26  33  /* MS be sure that SLAB allocates aligned objects */
a6eb9fe105d5de FUJITA Tomonori 2010-08-10 @34  #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
de925d9d3b6439 Michal Simek    2010-04-26  35  

:::::: The code at line 34 was first introduced by commit
:::::: a6eb9fe105d5de0053b261148cee56c94b4720ca dma-mapping: rename ARCH_KMALLOC_MINALIGN to ARCH_DMA_MINALIGN

:::::: TO: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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

^ permalink raw reply	[flat|nested] 2+ messages in thread
* Re: [linux-next:master 9057/9385] arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined
  2023-06-13 19:31 [linux-next:master 9057/9385] arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined kernel test robot
@ 2023-06-13 19:51 ` Catalin Marinas
  0 siblings, 0 replies; 2+ messages in thread
From: Catalin Marinas @ 2023-06-13 19:51 UTC (permalink / raw)
  To: kernel test robot
  Cc: oe-kbuild-all, Linux Memory Management List, Andrew Morton

On Wed, Jun 14, 2023 at 03:31:16AM +0800, kernel test robot wrote:
> All warnings (new ones prefixed by >>):
> 
>    In file included from include/linux/shm.h:6,
>                     from include/linux/sched.h:16,
>                     from arch/microblaze/kernel/asm-offsets.c:13:
> >> arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined

It should be fixed by this series (picked up by Andrew a few minutes
ago):

https://lore.kernel.org/r/20230613155245.1228274-1-catalin.marinas@arm.com

Thanks for the report.

-- 
Catalin

^ permalink raw reply	[flat|nested] 2+ messages in thread
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2023-06-13 19:31 [linux-next:master 9057/9385] arch/microblaze/include/asm/page.h:34: warning: "ARCH_DMA_MINALIGN" redefined kernel test robot
2023-06-13 19:51 ` Catalin Marinas

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