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Date:   Wed, 24 Aug 2022 06:31:31 +0800
From:   kernel test robot <lkp@intel.com>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        linux-kernel@vger.kernel.org
Subject: [peterz-queue:perf/wip.rewrite 1/6]
 arch/s390/kernel/perf_pai_crypto.c:438:18: error: incompatible function
 pointer types initializing 'void (*)(struct perf_event_pmu_context *, bool)'
 (aka 'void (*)(struct perf_event_pmu_context *, _Bool)') with an expression
 of type 'void (struct perf_eve...
Message-ID: <202208240632.w30XSBZs-lkp@intel.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Precedence: bulk

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git perf/wip.rewrite
head:   9fdadc761cf0e02e39e42d39c6d0f4a64c05ce8b
commit: d3f415f72634827910cebbcc645c828c78725fa0 [1/6] perf: Rewrite core context handling
config: s390-randconfig-r014-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240632.w30XSBZs-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project b04d01c009d7f66bcca9138d2ce40999eedf104d)
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=d3f415f72634827910cebbcc645c828c78725fa0
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue perf/wip.rewrite
        git checkout d3f415f72634827910cebbcc645c828c78725fa0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash arch/s390/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/s390/kernel/perf_pai_crypto.c:17:
   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]
           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]
           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'
   #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
                                                             ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
   #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
                                                        ^
   In file included from arch/s390/kernel/perf_pai_crypto.c:17:
   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]
           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'
   #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
                                                             ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
   #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
                                                        ^
   In file included from arch/s390/kernel/perf_pai_crypto.c:17:
   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]
           __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]
           __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]
           __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]
           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]
           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]
           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]
           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]
           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]
           writesl(PCI_IOBASE + addr, buffer, count);
                   ~~~~~~~~~~ ^
>> arch/s390/kernel/perf_pai_crypto.c:438:18: error: incompatible function pointer types initializing 'void (*)(struct perf_event_pmu_context *, bool)' (aka 'void (*)(struct perf_event_pmu_context *, _Bool)') with an expression of type 'void (struct perf_event_context *, bool)' (aka 'void (struct perf_event_context *, _Bool)') [-Wincompatible-function-pointer-types]
           .sched_task   = paicrypt_sched_task,
                           ^~~~~~~~~~~~~~~~~~~
   12 warnings and 1 error generated.


vim +438 arch/s390/kernel/perf_pai_crypto.c

39d62336f5c126 Thomas Richter 2022-05-04  428  
39d62336f5c126 Thomas Richter 2022-05-04  429  /* Performance monitoring unit for mapped counters */
39d62336f5c126 Thomas Richter 2022-05-04  430  static struct pmu paicrypt = {
39d62336f5c126 Thomas Richter 2022-05-04  431  	.task_ctx_nr  = perf_invalid_context,
39d62336f5c126 Thomas Richter 2022-05-04  432  	.event_init   = paicrypt_event_init,
39d62336f5c126 Thomas Richter 2022-05-04  433  	.add	      = paicrypt_add,
39d62336f5c126 Thomas Richter 2022-05-04  434  	.del	      = paicrypt_del,
39d62336f5c126 Thomas Richter 2022-05-04  435  	.start	      = paicrypt_start,
39d62336f5c126 Thomas Richter 2022-05-04  436  	.stop	      = paicrypt_stop,
39d62336f5c126 Thomas Richter 2022-05-04  437  	.read	      = paicrypt_read,
39d62336f5c126 Thomas Richter 2022-05-04 @438  	.sched_task   = paicrypt_sched_task,
39d62336f5c126 Thomas Richter 2022-05-04  439  	.attr_groups  = paicrypt_attr_groups
39d62336f5c126 Thomas Richter 2022-05-04  440  };
39d62336f5c126 Thomas Richter 2022-05-04  441  

:::::: The code at line 438 was first introduced by commit
:::::: 39d62336f5c126ad6dccdf66cd249f2d0e86d3c9 s390/pai: add support for cryptography counters

:::::: TO: Thomas Richter <tmricht@linux.ibm.com>
:::::: CC: Heiko Carstens <hca@linux.ibm.com>

-- 
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https://01.org/lkp