[dm-devel] [dm:for-next 6/11] drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
kbuild test robot
lkp at intel.com
Thu Dec 6 00:31:01 UTC 2018
tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
head: bb4e8f8316b49ff3a716d1d3cacdc3fd8ca8ef19
commit: 729d2b8facea98d83e7df7ff850d79795ed23d3d [6/11] dm: remove the pending IO accounting
config: x86_64-randconfig-r0-12060719 (attached as .config)
compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026
reproduce:
git checkout 729d2b8facea98d83e7df7ff850d79795ed23d3d
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
In file included from include/linux/err.h:5:0,
from include/linux/kthread.h:5,
from drivers//md/dm-core.h:12,
from drivers//md/dm.c:8:
drivers//md/dm.c: In function 'md_in_flight':
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:58:30: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:58:42: note: in definition of macro '__trace_if'
if (__builtin_constant_p(!!(cond)) ? !!(cond) : \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
>> drivers//md/dm.c:655:7: note: in expansion of macro 'local_read'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:655:19: note: in expansion of macro 'per_cpu_ptr'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~~~~~~~~~~
include/linux/percpu-defs.h:219:52: error: invalid operands to binary + (have 'struct disk_stats' and 'int')
const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
~~~~~ ^
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:259:2: note: in expansion of macro '__verify_pcpu_ptr'
__verify_pcpu_ptr(__p); \
^~~~~~~~~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/linux/compiler.h:69:16: note: in definition of macro '__trace_if'
______r = !!(cond); \
^~~~
>> drivers//md/dm.c:655:3: note: in expansion of macro 'if'
if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
^~
drivers//md/dm.c:656:7: note: in expansion of macro 'local_read'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~
include/linux/percpu-defs.h:263:47: note: in expansion of macro 'VERIFY_PERCPU_PTR'
#define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); VERIFY_PERCPU_PTR(ptr); })
^~~~~~~~~~~~~~~~~
drivers//md/dm.c:656:19: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
^~~~~~~~~~~
vim +/local_read +655 drivers//md/dm.c
648
649 static bool md_in_flight(struct mapped_device *md)
650 {
651 int cpu;
652 struct hd_struct *part = &dm_disk(md)->part0;
653
654 for_each_possible_cpu(cpu) {
> 655 if (local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[0]) ||
656 local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]))
657 return true;
658 }
659
660 return false;
661 }
662
---
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