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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: [mark-rutland:atomics/arch-atomic 33/33] include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'if' as identifier
Date: Wed, 12 May 2021 01:29:07 +0800	[thread overview]
Message-ID: <202105120101.2SdeNoLq-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
TO: Mark Rutland <mark.rutland@arm.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git atomics/arch-atomic
head:   606c4c0bfb61fbd35a6fc6da0be373b3f6ae89f6
commit: 606c4c0bfb61fbd35a6fc6da0be373b3f6ae89f6 [33/33] locking/atomics: atomic-instrumented: simplify ifdeffery
:::::: branch date: 8 hours ago
:::::: commit date: 8 hours ago
config: sparc-randconfig-s032-20210511 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=606c4c0bfb61fbd35a6fc6da0be373b3f6ae89f6
        git remote add mark-rutland https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark-rutland atomics/arch-atomic
        git checkout 606c4c0bfb61fbd35a6fc6da0be373b3f6ae89f6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=sparc 

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


sparse warnings: (new ones prefixed by >>)
   arch/sparc/vdso/vdso32/vclock_gettime.c: note: in included file (through arch/sparc/include/asm/atomic.h, include/linux/atomic.h, include/asm-generic/bitops/lock.h, ...):
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:37:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:38:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:43:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:43:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:43:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:43:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:44:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:44:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:44:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:44:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:45:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:45:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:45:1: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:45:1: sparse: sparse: got *
   arch/sparc/include/asm/atomic_64.h:63:46: sparse: sparse: Expected ) in function declarator
   arch/sparc/include/asm/atomic_64.h:63:46: sparse: sparse: got *
   arch/sparc/vdso/vdso32/vclock_gettime.c: note: in included file (through include/linux/atomic.h, include/asm-generic/bitops/lock.h, arch/sparc/include/asm/bitops_64.h, ...):
   include/linux/atomic-arch-fallback.h:1259:45: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1259:45: sparse: sparse: got *
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got !
>> include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'if' as identifier
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ) in nested declarator
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got volatile
>> include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'const' as identifier
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got }
>> include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'do' as identifier
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ; at end of declaration
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got {
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got !
>> include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'if' as identifier
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got *
>> include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Trying to use reserved word 'typeof' as identifier
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1261:16: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1262:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1262:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got !
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Trying to use reserved word 'if' as identifier
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Trying to use reserved word 'do' as identifier
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at end of declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got {
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ) in function declarator
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got !
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Trying to use reserved word 'if' as identifier
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Trying to use reserved word 'do' as identifier
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at end of declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got {
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1270:9: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1271:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1271:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1448:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1448:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1464:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1464:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1473:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1473:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1482:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1482:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1491:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1491:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1545:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1545:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1554:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1554:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1563:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1563:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1572:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1572:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1619:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1619:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1635:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1635:1: sparse: sparse: got }
   include/linux/atomic-arch-fallback.h:1644:1: sparse: sparse: Expected ; at the end of type declaration
   include/linux/atomic-arch-fallback.h:1644:1: sparse: sparse: got }
>> include/linux/atomic-arch-fallback.h:1653:1: sparse: sparse: too many errors

vim +/if +1261 include/linux/atomic-arch-fallback.h

37f8173dd84936 Peter Zijlstra 2020-01-24  1256  
37f8173dd84936 Peter Zijlstra 2020-01-24  1257  #ifndef arch_atomic64_read_acquire
37f8173dd84936 Peter Zijlstra 2020-01-24  1258  static __always_inline s64
37f8173dd84936 Peter Zijlstra 2020-01-24  1259  arch_atomic64_read_acquire(const atomic64_t *v)
37f8173dd84936 Peter Zijlstra 2020-01-24  1260  {
37f8173dd84936 Peter Zijlstra 2020-01-24 @1261  	return smp_load_acquire(&(v)->counter);
37f8173dd84936 Peter Zijlstra 2020-01-24  1262  }
37f8173dd84936 Peter Zijlstra 2020-01-24  1263  #define arch_atomic64_read_acquire arch_atomic64_read_acquire
37f8173dd84936 Peter Zijlstra 2020-01-24  1264  #endif
37f8173dd84936 Peter Zijlstra 2020-01-24  1265  

:::::: The code at line 1261 was first introduced by commit
:::::: 37f8173dd84936ea78000ed1cad24f8b18d48ebb locking/atomics: Flip fallbacks and instrumentation

:::::: TO: Peter Zijlstra <peterz@infradead.org>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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                 reply	other threads:[~2021-05-11 17:29 UTC|newest]

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