tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing head: f5a9a15f8fd4168e415e94f5dce367f3cef08e03 commit: d806f30e639b0ff5abeb012b08932691be795342 [168/347] staging: lustre: osc: revise unstable pages accounting config: frv-allmodconfig (attached as .config) compiler: frv-linux-gcc (GCC) 4.9.0 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 git checkout d806f30e639b0ff5abeb012b08932691be795342 # save the attached .config to linux build tree make.cross ARCH=frv
All warnings (new ones prefixed by >>):
In file included from arch/frv/include/asm/bitops.h:28:0,
from include/linux/bitops.h:36,
from
drivers/staging/lustre/lustre/osc/../../include/linux/libcfs/linux/libcfs.h:40,
from
drivers/staging/lustre/lustre/osc/../../include/linux/libcfs/libcfs.h:36,
from drivers/staging/lustre/lustre/osc/osc_cl_internal.h:45,
from drivers/staging/lustre/lustre/osc/osc_page.c:40:
drivers/staging/lustre/lustre/osc/osc_page.c: In function
'osc_dec_unstable_pages':
arch/frv/include/asm/atomic.h:171:2: warning: array subscript is above array
bounds [-Warray-bounds]
(void)__atomic32_fetch_##op(i, &v->counter); \
^
>> arch/frv/include/asm/atomic.h:186:1: note: in expansion of macro 'ATOMIC_OP'
ATOMIC_OP(add)
^
arch/frv/include/asm/atomic.h:171:2: warning: array subscript is above array
bounds [-Warray-bounds]
(void)__atomic32_fetch_##op(i, &v->counter); \
^
>> arch/frv/include/asm/atomic.h:186:1: note: in expansion of macro 'ATOMIC_OP'
ATOMIC_OP(add)
^
drivers/staging/lustre/lustre/osc/osc_page.c: In function
'osc_inc_unstable_pages':
arch/frv/include/asm/atomic.h:171:2: warning: array subscript is above array
bounds [-Warray-bounds]
(void)__atomic32_fetch_##op(i, &v->counter); \
^
>> arch/frv/include/asm/atomic.h:186:1: note: in expansion of macro 'ATOMIC_OP'
ATOMIC_OP(add)
^
arch/frv/include/asm/atomic.h:171:2: warning: array subscript is above array
bounds [-Warray-bounds]
(void)__atomic32_fetch_##op(i, &v->counter); \
^
>> arch/frv/include/asm/atomic.h:186:1: note: in expansion of macro 'ATOMIC_OP'
ATOMIC_OP(add)
^
/tmp/ccddFWC4.s: Assembler messages:
/tmp/ccddFWC4.s:28583: Error: symbol `.LSLT0' is already defined
/tmp/ccddFWC4.s:28586: Error: symbol `.LASLTP0' is already defined
/tmp/ccddFWC4.s:28985: Error: symbol `.LELTP0' is already defined
/tmp/ccddFWC4.s:28986: Error: symbol `.LELT0' is already defined
vim +/ATOMIC_OP +186 arch/frv/include/asm/atomic.h
d9c73028 Peter Zijlstra 2016-04-18 165 static inline int
atomic_fetch_##op(int i, atomic_t *v) \
d9c73028 Peter Zijlstra 2016-04-18 166 {
\
d9c73028 Peter Zijlstra 2016-04-18 167 return __atomic32_fetch_##op(i,
&v->counter); \
d9c73028 Peter Zijlstra 2016-04-18 168 }
\
b0d8003e Peter Zijlstra 2015-04-24 169 static inline void atomic_##op(int i,
atomic_t *v) \
b0d8003e Peter Zijlstra 2015-04-24 170 {
\
b0d8003e Peter Zijlstra 2015-04-24 @171 (void)__atomic32_fetch_##op(i,
&v->counter); \
b0d8003e Peter Zijlstra 2015-04-24 172 }
\
b0d8003e Peter Zijlstra 2015-04-24 173
\
d9c73028 Peter Zijlstra 2016-04-18 174 static inline long long
atomic64_fetch_##op(long long i, atomic64_t *v) \
d9c73028 Peter Zijlstra 2016-04-18 175 {
\
d9c73028 Peter Zijlstra 2016-04-18 176 return __atomic64_fetch_##op(i,
&v->counter); \
d9c73028 Peter Zijlstra 2016-04-18 177 }
\
b0d8003e Peter Zijlstra 2015-04-24 178 static inline void atomic64_##op(long
long i, atomic64_t *v) \
b0d8003e Peter Zijlstra 2015-04-24 179 {
\
b0d8003e Peter Zijlstra 2015-04-24 180 (void)__atomic64_fetch_##op(i,
&v->counter); \
b0d8003e Peter Zijlstra 2015-04-24 181 }
b0d8003e Peter Zijlstra 2015-04-24 182
b0d8003e Peter Zijlstra 2015-04-24 183 ATOMIC_OP(or)
b0d8003e Peter Zijlstra 2015-04-24 184 ATOMIC_OP(and)
b0d8003e Peter Zijlstra 2015-04-24 185 ATOMIC_OP(xor)
d9c73028 Peter Zijlstra 2016-04-18 @186 ATOMIC_OP(add)
d9c73028 Peter Zijlstra 2016-04-18 187 ATOMIC_OP(sub)
b0d8003e Peter Zijlstra 2015-04-24 188
b0d8003e Peter Zijlstra 2015-04-24 189 #undef ATOMIC_OP
:::::: The code at line 186 was first introduced by commit
:::::: d9c730281617e55ca470e66f8e9d7d3f5f420fec locking/atomic, arch/frv:
Implement atomic{,64}_fetch_{add,sub,and,or,xor}()
:::::: TO: Peter Zijlstra <pet...@infradead.org>
:::::: CC: Ingo Molnar <mi...@kernel.org>
---
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