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SubjectRe: [PATCH 01/19] kernel: convert sighand_struct.count from atomic_t to refcount_t
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
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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