Re: [PATCH 01/19] kernel: convert sighand_struct.count from atomic_t to refcount_t

From: kbuild test robot <lkp@intel.com>
To: Elena Reshetova <elena.reshetova@intel.com>
Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org,
	cgroups@vger.kernel.org, linux-audit@redhat.com,
	linux-fsdevel@vger.kernel.org, peterz@infradead.org,
	gregkh@linuxfoundation.org, viro@zeniv.linux.org.uk,
	tj@kernel.org, mingo@redhat.com, hannes@cmpxchg.org,
	lizefan@huawei.com, acme@kernel.org,
	alexander.shishkin@linux.intel.com, paul@paul-moore.com,
	eparis@redhat.com, akpm@linux-foundation.org, arnd@arndb.de,
	luto@kernel.org, Elena Reshetova <elena.reshetova@intel.com>,
	Hans Liljestrand <ishkamiel@gmail.com>,
	Kees Cook <keescook@chromium.org>,
	David Windsor <dwindsor@gmail.com>
Subject: Re: [PATCH 01/19] kernel: convert sighand_struct.count from atomic_t to refcount_t
Date: Mon, 20 Feb 2017 20:42:45 +0800	[thread overview]
Message-ID: <201702202048.0D1beSTu%fengguang.wu@intel.com> (raw)
In-Reply-To: <1487585948-6401-2-git-send-email-elena.reshetova@intel.com>

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Hi Elena,

[auto build test ERROR on next-20170220]
[cannot apply to linus/master linux/master tip/perf/core v4.9-rc8 v4.9-rc7 v4.9-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Elena-Reshetova/kernel-convert-sighand_struct-count-from-atomic_t-to-refcount_t/20170220-183434
config: blackfin-BF561-EZKIT-SMP_defconfig (attached as .config)
compiler: bfin-uclinux-gcc (GCC) 6.2.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=blackfin 

All errors (new ones prefixed by >>):

   In file included from include/linux/atomic.h:4:0,
                    from arch/blackfin/include/asm/spinlock.h:14,
                    from include/linux/spinlock.h:87,
                    from include/linux/mmzone.h:7,
                    from include/linux/gfp.h:5,
                    from include/linux/mm.h:9,
                    from fs/proc/task_nommu.c:2:
   fs/proc/task_nommu.c: In function 'task_mem':
>> arch/blackfin/include/asm/atomic.h:27:53: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
                                                        ^
   fs/proc/task_nommu.c:64:26: note: in expansion of macro 'atomic_read'
     if (current->sighand && atomic_read(&current->sighand->count) > 1)
                             ^~~~~~~~~~~

vim +27 arch/blackfin/include/asm/atomic.h

d835b6c4 arch/blackfin/include/asm/atomic.h Peter Zijlstra 2015-04-23  21  
d835b6c4 arch/blackfin/include/asm/atomic.h Peter Zijlstra 2015-04-23  22  asmlinkage int __raw_atomic_and_asm(volatile int *ptr, int value);
d835b6c4 arch/blackfin/include/asm/atomic.h Peter Zijlstra 2015-04-23  23  asmlinkage int __raw_atomic_or_asm(volatile int *ptr, int value);
6b3087c6 arch/blackfin/include/asm/atomic.h Graf Yang      2009-01-07  24  asmlinkage int __raw_atomic_xor_asm(volatile int *ptr, int value);
6b3087c6 arch/blackfin/include/asm/atomic.h Graf Yang      2009-01-07  25  asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
6b3087c6 arch/blackfin/include/asm/atomic.h Graf Yang      2009-01-07  26  
ae41f32e arch/blackfin/include/asm/atomic.h Mike Frysinger 2011-06-17 @27  #define atomic_read(v) __raw_uncached_fetch_asm(&(v)->counter)
1394f032 include/asm-blackfin/atomic.h      Bryan Wu       2007-05-06  28  
d835b6c4 arch/blackfin/include/asm/atomic.h Peter Zijlstra 2015-04-23  29  #define atomic_add_return(i, v) __raw_atomic_add_asm(&(v)->counter, i)
d835b6c4 arch/blackfin/include/asm/atomic.h Peter Zijlstra 2015-04-23  30  #define atomic_sub_return(i, v) __raw_atomic_add_asm(&(v)->counter, -(i))

:::::: The code at line 27 was first introduced by commit
:::::: ae41f32e16d8e87c84cb910a6a6aefb50318894d Blackfin: SMP: convert to common asm-generic/atomic.h

:::::: TO: Mike Frysinger <vapier@gentoo.org>
:::::: CC: Mike Frysinger <vapier@gentoo.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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