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Date: Tue, 4 Aug 2020 16:17:16 +0300
From: Anatoly Pugachev <matorola@...il.com>
To: Sparc kernel list <sparclinux@...r.kernel.org>
Cc: Linux Kernel list <linux-kernel@...r.kernel.org>,
Peter Zijlstra <peterz@...radead.org>
Subject: [sparc64] enabling CONFIG_PROVE_LOCKING makes kernel unable to build
Hello!
Linus git master sources:
$ git desc
v5.8-2483-gc0842fbc1b18
If built without "kernel debugging" option CONFIG_PROVE_LOCKING
enabled, builds successfully.
If I enable
CONFIG_PROVE_LOCKING=y
it does not build:
linux-2.6$ make arch/sparc
scripts/kconfig/conf --syncconfig Kconfig
WARNING: unmet direct dependencies detected for FRAME_POINTER
Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) ||
ARCH_WANT_FRAME_POINTERS [=n] || MCOUNT [=n]
Selected by [y]:
- LOCKDEP [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]
&& !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
WARNING: unmet direct dependencies detected for FRAME_POINTER
Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) ||
ARCH_WANT_FRAME_POINTERS [=n] || MCOUNT [=n]
Selected by [y]:
- LOCKDEP [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]
&& !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
WARNING: unmet direct dependencies detected for FRAME_POINTER
Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) ||
ARCH_WANT_FRAME_POINTERS [=n] || MCOUNT [=n]
Selected by [y]:
- LOCKDEP [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]
&& !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86
CALL scripts/checksyscalls.sh
<stdin>:1511:2: warning: #warning syscall clone3 not implemented [-Wcpp]
CALL scripts/atomic/check-atomics.sh
CC arch/sparc/vdso/vclock_gettime.o
In file included from ./arch/sparc/include/asm/bug.h:25,
from ./include/linux/bug.h:5,
from ./include/linux/thread_info.h:12,
from ./include/asm-generic/preempt.h:5,
from ./arch/sparc/include/generated/asm/preempt.h:1,
from ./include/linux/preempt.h:78,
from ./include/linux/spinlock.h:51,
from ./include/linux/seqlock.h:15,
from ./include/linux/time.h:6,
from arch/sparc/vdso/vclock_gettime.c:16:
./include/linux/seqlock.h: In function ‘write_seqcount_begin_nested’:
./arch/sparc/include/asm/percpu_64.h:19:25: error:
‘__local_per_cpu_offset’ undeclared (first use in this function); did
you mean ‘per_cpu_offset’?
19 | #define __my_cpu_offset __local_per_cpu_offset
| ^~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:145:27: note: in definition of macro ‘WARN_ON_ONCE’
145 | int __ret_warn_once = !!(condition); \
| ^~~~~~~~~
././include/linux/compiler_types.h:301:2: note: in expansion of macro
‘__compiletime_assert’
301 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:313:2: note: in expansion of macro
‘_compiletime_assert’
313 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:2: note: in expansion of macro
‘compiletime_assert’
36 | compiletime_assert(__native_word(t) || sizeof(t) ==
sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:21: note: in expansion of macro
‘__native_word’
36 | compiletime_assert(__native_word(t) || sizeof(t) ==
sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:2: note: in expansion of macro
‘compiletime_assert_rwonce_type’
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:119:10: note: in expansion of macro ‘READ_ONCE’
119 | __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \
| ^~~~~~~~~
./include/linux/percpu-defs.h:231:2: note: in expansion of macro ‘RELOC_HIDE’
231 | RELOC_HIDE((typeof(*(__p)) __kernel __force *)(__p), (__offset))
| ^~~~~~~~~~
./include/asm-generic/percpu.h:44:31: note: in expansion of macro
‘SHIFT_PERCPU_PTR’
44 | #define arch_raw_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
| ^~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:44:53: note: in expansion of macro
‘__my_cpu_offset’
44 | #define arch_raw_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
| ^~~~~~~~~~~~~~~
./include/linux/percpu-defs.h:242:2: note: in expansion of macro
‘arch_raw_cpu_ptr’
242 | arch_raw_cpu_ptr(ptr); \
| ^~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:119:21: note: in expansion of macro ‘raw_cpu_ptr’
119 | __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \
| ^~~~~~~~~~~
./include/asm-generic/percpu.h:138:11: note: in expansion of macro
‘__this_cpu_generic_read_nopreempt’
138 | __ret = __this_cpu_generic_read_nopreempt(pcp); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:320:31: note: in expansion of macro
‘this_cpu_generic_read’
320 | #define this_cpu_read_1(pcp) this_cpu_generic_read(pcp)
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/percpu-defs.h:321:23: note: in expansion of macro
‘this_cpu_read_1’
321 | case 1: pscr_ret__ = stem##1(variable); break; \
| ^~~~
./include/linux/percpu-defs.h:507:29: note: in expansion of macro
‘__pcpu_size_call_return’
507 | #define this_cpu_read(pcp) __pcpu_size_call_return(this_cpu_read_, pcp)
| ^~~~~~~~~~~~~~~~~~~~~~~
./include/linux/lockdep.h:565:9: note: in expansion of macro ‘this_cpu_read’
565 | this_cpu_read(hardirqs_enabled))); \
| ^~~~~~~~~~~~~
./include/linux/seqlock.h:285:2: note: in expansion of macro
‘lockdep_assert_preemption_disabled’
285 | lockdep_assert_preemption_disabled();
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./arch/sparc/include/asm/percpu_64.h:19:25: note: each undeclared
identifier is reported only once for each function it appears in
19 | #define __my_cpu_offset __local_per_cpu_offset
| ^~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/bug.h:145:27: note: in definition of macro ‘WARN_ON_ONCE’
145 | int __ret_warn_once = !!(condition); \
| ^~~~~~~~~
././include/linux/compiler_types.h:301:2: note: in expansion of macro
‘__compiletime_assert’
301 | __compiletime_assert(condition, msg, prefix, suffix)
| ^~~~~~~~~~~~~~~~~~~~
././include/linux/compiler_types.h:313:2: note: in expansion of macro
‘_compiletime_assert’
313 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^~~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:2: note: in expansion of macro
‘compiletime_assert’
36 | compiletime_assert(__native_word(t) || sizeof(t) ==
sizeof(long long), \
| ^~~~~~~~~~~~~~~~~~
./include/asm-generic/rwonce.h:36:21: note: in expansion of macro
‘__native_word’
36 | compiletime_assert(__native_word(t) || sizeof(t) ==
sizeof(long long), \
| ^~~~~~~~~~~~~
./include/asm-generic/rwonce.h:49:2: note: in expansion of macro
‘compiletime_assert_rwonce_type’
49 | compiletime_assert_rwonce_type(x); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:119:10: note: in expansion of macro ‘READ_ONCE’
119 | __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \
| ^~~~~~~~~
./include/linux/percpu-defs.h:231:2: note: in expansion of macro ‘RELOC_HIDE’
231 | RELOC_HIDE((typeof(*(__p)) __kernel __force *)(__p), (__offset))
| ^~~~~~~~~~
./include/asm-generic/percpu.h:44:31: note: in expansion of macro
‘SHIFT_PERCPU_PTR’
44 | #define arch_raw_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
| ^~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:44:53: note: in expansion of macro
‘__my_cpu_offset’
44 | #define arch_raw_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
| ^~~~~~~~~~~~~~~
./include/linux/percpu-defs.h:242:2: note: in expansion of macro
‘arch_raw_cpu_ptr’
242 | arch_raw_cpu_ptr(ptr); \
| ^~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:119:21: note: in expansion of macro ‘raw_cpu_ptr’
119 | __ret = READ_ONCE(*raw_cpu_ptr(&(pcp))); \
| ^~~~~~~~~~~
./include/asm-generic/percpu.h:138:11: note: in expansion of macro
‘__this_cpu_generic_read_nopreempt’
138 | __ret = __this_cpu_generic_read_nopreempt(pcp); \
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/asm-generic/percpu.h:320:31: note: in expansion of macro
‘this_cpu_generic_read’
320 | #define this_cpu_read_1(pcp) this_cpu_generic_read(pcp)
| ^~~~~~~~~~~~~~~~~~~~~
./include/linux/percpu-defs.h:321:23: note: in expansion of macro
‘this_cpu_read_1’
321 | case 1: pscr_ret__ = stem##1(variable); break; \
| ^~~~
./include/linux/percpu-defs.h:507:29: note: in expansion of macro
‘__pcpu_size_call_return’
507 | #define this_cpu_read(pcp) __pcpu_size_call_return(this_cpu_read_, pcp)
| ^~~~~~~~~~~~~~~~~~~~~~~
./include/linux/lockdep.h:565:9: note: in expansion of macro ‘this_cpu_read’
565 | this_cpu_read(hardirqs_enabled))); \
| ^~~~~~~~~~~~~
./include/linux/seqlock.h:285:2: note: in expansion of macro
‘lockdep_assert_preemption_disabled’
285 | lockdep_assert_preemption_disabled();
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [scripts/Makefile.build:281:
arch/sparc/vdso/vclock_gettime.o] Error 1
make[1]: *** [scripts/Makefile.build:497: arch/sparc/vdso] Error 2
make: *** [Makefile:1757: arch/sparc] Error 2
PS: previously reported build error with v5.8 (
https://lkml.org/lkml/2020/8/3/222 ) is fixed with
48017e5481ce85ba52c4cff082cad5f021c4b413
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