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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 20:30:14 +0800	[thread overview]
Message-ID: <201702202032.y4RtL1WA%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 WARNING 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-TCM-BF537_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 warnings (new ones prefixed by >>):

   In file included from include/asm-generic/bug.h:4:0,
                    from arch/blackfin/include/asm/bug.h:71,
                    from include/linux/bug.h:4,
                    from include/linux/mmdebug.h:4,
                    from include/linux/mm.h:8,
                    from fs/proc/task_nommu.c:2:
   fs/proc/task_nommu.c: In function 'task_mem':
   include/asm-generic/atomic.h:177:37: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) READ_ONCE((v)->counter)
                                        ^
   include/linux/compiler.h:316:17: note: in definition of macro '__READ_ONCE'
     union { typeof(x) __val; char __c[1]; } __u;   \
                    ^
   include/asm-generic/atomic.h:177:24: note: in expansion of macro 'READ_ONCE'
    #define atomic_read(v) READ_ONCE((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)
                             ^~~~~~~~~~~
   include/asm-generic/atomic.h:177:37: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) READ_ONCE((v)->counter)
                                        ^
   include/linux/compiler.h:318:22: note: in definition of macro '__READ_ONCE'
      __read_once_size(&(x), __u.__c, sizeof(x));  \
                         ^
   include/asm-generic/atomic.h:177:24: note: in expansion of macro 'READ_ONCE'
    #define atomic_read(v) READ_ONCE((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)
                             ^~~~~~~~~~~
   include/asm-generic/atomic.h:177:37: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) READ_ONCE((v)->counter)
                                        ^
   include/linux/compiler.h:318:42: note: in definition of macro '__READ_ONCE'
      __read_once_size(&(x), __u.__c, sizeof(x));  \
                                             ^
   include/asm-generic/atomic.h:177:24: note: in expansion of macro 'READ_ONCE'
    #define atomic_read(v) READ_ONCE((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)
                             ^~~~~~~~~~~
   include/asm-generic/atomic.h:177:37: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) READ_ONCE((v)->counter)
                                        ^
   include/linux/compiler.h:320:30: note: in definition of macro '__READ_ONCE'
      __read_once_size_nocheck(&(x), __u.__c, sizeof(x)); \
                                 ^
   include/asm-generic/atomic.h:177:24: note: in expansion of macro 'READ_ONCE'
    #define atomic_read(v) READ_ONCE((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)
                             ^~~~~~~~~~~
   include/asm-generic/atomic.h:177:37: error: 'refcount_t {aka struct refcount_struct}' has no member named 'counter'
    #define atomic_read(v) READ_ONCE((v)->counter)
                                        ^
   include/linux/compiler.h:320:50: note: in definition of macro '__READ_ONCE'
      __read_once_size_nocheck(&(x), __u.__c, sizeof(x)); \
                                                     ^
   include/asm-generic/atomic.h:177:24: note: in expansion of macro 'READ_ONCE'
    #define atomic_read(v) READ_ONCE((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 +/atomic_read +64 fs/proc/task_nommu.c

^1da177e Linus Torvalds    2005-04-16  48  
^1da177e Linus Torvalds    2005-04-16  49  	if (atomic_read(&mm->mm_count) > 1)
^1da177e Linus Torvalds    2005-04-16  50  		sbytes += kobjsize(mm);
^1da177e Linus Torvalds    2005-04-16  51  	else
^1da177e Linus Torvalds    2005-04-16  52  		bytes += kobjsize(mm);
^1da177e Linus Torvalds    2005-04-16  53  	
498052bb Al Viro           2009-03-30  54  	if (current->fs && current->fs->users > 1)
^1da177e Linus Torvalds    2005-04-16  55  		sbytes += kobjsize(current->fs);
^1da177e Linus Torvalds    2005-04-16  56  	else
^1da177e Linus Torvalds    2005-04-16  57  		bytes += kobjsize(current->fs);
^1da177e Linus Torvalds    2005-04-16  58  
^1da177e Linus Torvalds    2005-04-16  59  	if (current->files && atomic_read(&current->files->count) > 1)
^1da177e Linus Torvalds    2005-04-16  60  		sbytes += kobjsize(current->files);
^1da177e Linus Torvalds    2005-04-16  61  	else
^1da177e Linus Torvalds    2005-04-16  62  		bytes += kobjsize(current->files);
^1da177e Linus Torvalds    2005-04-16  63  
^1da177e Linus Torvalds    2005-04-16 @64  	if (current->sighand && atomic_read(&current->sighand->count) > 1)
^1da177e Linus Torvalds    2005-04-16  65  		sbytes += kobjsize(current->sighand);
^1da177e Linus Torvalds    2005-04-16  66  	else
^1da177e Linus Torvalds    2005-04-16  67  		bytes += kobjsize(current->sighand);
^1da177e Linus Torvalds    2005-04-16  68  
^1da177e Linus Torvalds    2005-04-16  69  	bytes += kobjsize(current); /* includes kernel stack */
^1da177e Linus Torvalds    2005-04-16  70  
df5f8314 Eric W. Biederman 2008-02-08  71  	seq_printf(m,
^1da177e Linus Torvalds    2005-04-16  72  		"Mem:\t%8lu bytes\n"

:::::: The code at line 64 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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  reply	other threads:[~2017-02-20 12:31 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-20 10:18 [PATCH 00/19] Kernel subsystem refcounter conversions Elena Reshetova
2017-02-20 10:18 ` [PATCH 01/19] kernel: convert sighand_struct.count from atomic_t to refcount_t Elena Reshetova
2017-02-20 12:30   ` kbuild test robot [this message]
2017-02-20 12:42   ` kbuild test robot
2017-02-20 10:18 ` [PATCH 02/19] kernel: convert signal_struct.sigcnt " Elena Reshetova
2017-02-20 10:18 ` [PATCH 03/19] kernel: convert user_struct.__count " Elena Reshetova
2017-02-20 10:18 ` [PATCH 04/19] kernel: convert task_struct.usage " Elena Reshetova
2017-02-20 10:18 ` [PATCH 05/19] kernel: convert task_struct.stack_refcount " Elena Reshetova
2017-02-20 10:18 ` [PATCH 06/19] kernel: convert perf_event_context.refcount " Elena Reshetova
2017-02-20 10:28   ` Peter Zijlstra
2017-02-20 12:14     ` Reshetova, Elena
2017-02-20 10:18 ` [PATCH 07/19] kernel: convert ring_buffer.refcount " Elena Reshetova
2017-02-20 10:18 ` [PATCH 08/19] kernel: convert ring_buffer.aux_refcount " Elena Reshetova
2017-02-20 10:18 ` [PATCH 09/19] kernel: convert uprobe.ref " Elena Reshetova
2017-02-20 10:18 ` [PATCH 10/19] kernel: convert nsproxy.count " Elena Reshetova
2017-02-20 10:19 ` [PATCH 11/19] kernel: convert cgroup_namespace.count " Elena Reshetova
2017-03-06 19:55   ` Tejun Heo
2017-02-20 10:19 ` [PATCH 12/19] kernel: convert css_set.refcount " Elena Reshetova
2017-03-06 19:54   ` Tejun Heo
2017-03-07 19:12     ` Reshetova, Elena
2017-03-07 19:21       ` Tejun Heo
2017-02-20 10:19 ` [PATCH 13/19] kernel: convert group_info.usage " Elena Reshetova
2017-02-20 10:19 ` [PATCH 14/19] kernel: convert cred.usage " Elena Reshetova
2017-02-20 10:19 ` [PATCH 15/19] kernel: convert audit_tree.count " Elena Reshetova
2017-02-20 22:07   ` Paul Moore
2017-02-21  7:15     ` Reshetova, Elena
2017-02-28 22:11       ` Paul Moore
2017-03-01  0:16         ` Kees Cook
2017-03-01 19:35           ` Paul Moore
2017-03-01 23:04             ` Kees Cook
2017-04-11 19:01         ` Paul Moore
2017-04-18  6:33           ` Reshetova, Elena
2017-02-20 10:19 ` [PATCH 16/19] kernel: convert audit_watch.count " Elena Reshetova
2017-02-20 10:19 ` [PATCH 17/19] kernel: convert numa_group.refcount " Elena Reshetova
2017-02-20 10:19 ` [PATCH 18/19] kernel: convert futex_pi_state.refcount " Elena Reshetova
2017-02-20 10:19 ` [PATCH 19/19] kernel: convert kcov.refcount " Elena Reshetova

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