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Date: Thu, 6 Dec 2018 17:21:28 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Alasdair G Kergon <agk@...hat.com>,
Mike Snitzer <snitzer@...hat.com>
Cc: Linux Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Mikulas Patocka <mpatocka@...hat.com>
Subject: linux-next: build failure after merge of the device-mapper tree
Hi all,
After merging the device-mapper tree, today's linux-next build (powerpc
ppc44x_defconfig) failed like this:
In file included from arch/powerpc/include/asm/local.h:144,
from include/linux/genhd.h:20,
from block/genhd.c:7:
block/genhd.c: In function 'part_inc_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/asm-generic/local.h:31:40: note: in definition of macro 'local_inc'
#define local_inc(l) atomic_long_inc(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:56:13: note: in expansion of macro 'per_cpu_ptr'
local_inc(&per_cpu_ptr(part->dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/asm-generic/local.h:31:40: note: in definition of macro 'local_inc'
#define local_inc(l) atomic_long_inc(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:56:13: note: in expansion of macro 'per_cpu_ptr'
local_inc(&per_cpu_ptr(part->dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
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/asm-generic/local.h:31:40: note: in definition of macro 'local_inc'
#define local_inc(l) atomic_long_inc(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:58:14: note: in expansion of macro 'per_cpu_ptr'
local_inc(&per_cpu_ptr(part_to_disk(part)->part0.dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/asm-generic/local.h:31:40: note: in definition of macro 'local_inc'
#define local_inc(l) atomic_long_inc(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:58:14: note: in expansion of macro 'per_cpu_ptr'
local_inc(&per_cpu_ptr(part_to_disk(part)->part0.dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
block/genhd.c: In function 'part_dec_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/asm-generic/local.h:32:40: note: in definition of macro 'local_dec'
#define local_dec(l) atomic_long_dec(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:69:13: note: in expansion of macro 'per_cpu_ptr'
local_dec(&per_cpu_ptr(part->dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/asm-generic/local.h:32:40: note: in definition of macro 'local_dec'
#define local_dec(l) atomic_long_dec(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:69:13: note: in expansion of macro 'per_cpu_ptr'
local_dec(&per_cpu_ptr(part->dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
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/asm-generic/local.h:32:40: note: in definition of macro 'local_dec'
#define local_dec(l) atomic_long_dec(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:71:14: note: in expansion of macro 'per_cpu_ptr'
local_dec(&per_cpu_ptr(part_to_disk(part)->part0.dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
include/linux/percpu-defs.h:260:10: error: invalid type argument of unary '*' (have 'struct disk_stats')
(typeof(*(__p)) __kernel __force *)(__p); \
^~~~~~
include/asm-generic/local.h:32:40: note: in definition of macro 'local_dec'
#define local_dec(l) atomic_long_dec(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:71:14: note: in expansion of macro 'per_cpu_ptr'
local_dec(&per_cpu_ptr(part_to_disk(part)->part0.dkstats, cpu)->in_flight[rw]);
^~~~~~~~~~~
block/genhd.c: In function 'part_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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:85:27: note: in expansion of macro 'per_cpu_ptr'
inflight += 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:85:27: note: in expansion of macro 'per_cpu_ptr'
inflight += 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:86:17: 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:86:17: note: in expansion of macro 'per_cpu_ptr'
local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]);
^~~~~~~~~~~
block/genhd.c: In function 'part_in_flight_rw':
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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:107:30: note: in expansion of macro 'per_cpu_ptr'
inflight[0] += 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:107:30: note: in expansion of macro 'per_cpu_ptr'
inflight[0] += 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:108:30: note: in expansion of macro 'per_cpu_ptr'
inflight[1] += 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/asm-generic/local.h:29:42: note: in definition of macro 'local_read'
#define local_read(l) atomic_long_read(&(l)->a)
^
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); })
^~~~~~~~~~~~~~~~~
block/genhd.c:108:30: note: in expansion of macro 'per_cpu_ptr'
inflight[1] += local_read(&per_cpu_ptr(part->dkstats, cpu)->in_flight[1]);
^~~~~~~~~~~
Caused by commit
3a657cf59109 ("block: switch to per-cpu in-flight counters")
This build does not have CONFIG_SMP set and part->dkstats is not a
pointer in this case.
I have reverted the device-mapper tree changes for today.
--
Cheers,
Stephen Rothwell
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