[mingo-tip:sched/headers 1471/2340] arch/powerpc/include/asm/mmu.h:350:9: error: use of undeclared identifier 'rodata_enabled'; did you mean 'radix_enabled'?

From: kernel test robot
Date: Wed Feb 23 2022 - 14:37:04 EST

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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: 97c5eeb4de3ad324ed2a4656b46465299cfd010a
commit: 0ca8be0dc3575bd4f7e5e9c4b84cf200f5a8e494 [1471/2340] headers/deps: printk: Reduce <linux/printk.h> header dependencies
config: powerpc64-randconfig-r013-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240339.NOVtjfye-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project d271fc04d5b97b12e6b797c6067d3c96a8d7470e)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64le-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=0ca8be0dc3575bd4f7e5e9c4b84cf200f5a8e494
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip sched/headers
git checkout 0ca8be0dc3575bd4f7e5e9c4b84cf200f5a8e494
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc prepare

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All error/warnings (new ones prefixed by >>):

In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
>> arch/powerpc/include/asm/mmu.h:350:9: error: use of undeclared identifier 'rodata_enabled'; did you mean 'radix_enabled'?
return rodata_enabled;
^~~~~~~~~~~~~~
radix_enabled
arch/powerpc/include/asm/mmu.h:337:29: note: 'radix_enabled' declared here
static __always_inline bool radix_enabled(void)
^
>> arch/powerpc/include/asm/mmu.h:350:9: warning: address of function 'radix_enabled' will always evaluate to 'true' [-Wpointer-bool-conversion]
return rodata_enabled;
~~~~~~ ^~~~~~~~~~~~~~
arch/powerpc/include/asm/mmu.h:350:9: note: prefix with the address-of operator to silence this warning
return rodata_enabled;
^
&
arch/powerpc/include/asm/mmu.h:350:9: note: suffix with parentheses to turn this into a function call
return rodata_enabled;
^
()
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:299:
>> arch/powerpc/include/asm/book3s/64/hash.h:244:21: error: expected ';' after top level declarator
extern int __meminit hash__vmemmap_create_mapping(unsigned long start,
^
;
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:300:
>> arch/powerpc/include/asm/book3s/64/radix.h:289:21: error: expected ';' after top level declarator
extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
^
;
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:8: error: 'inline' can only appear on functions
static inline int __meminit vmemmap_create_mapping(unsigned long start,
^
include/linux/compiler_types.h:149:16: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:8: warning: '__gnu_inline__' attribute only applies to functions [-Wignored-attributes]
include/linux/compiler_types.h:149:23: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
include/linux/compiler_attributes.h:160:56: note: expanded from macro '__gnu_inline'
#define __gnu_inline __attribute__((__gnu_inline__))
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:8: warning: '__no_instrument_function__' attribute only applies to functions and Objective-C methods [-Wignored-attributes]
include/linux/compiler_types.h:149:58: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
include/linux/compiler_types.h:129:34: note: expanded from macro 'notrace'
#define notrace __attribute__((__no_instrument_function__))
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:19: error: static declaration of '__meminit' follows non-static declaration
static inline int __meminit vmemmap_create_mapping(unsigned long start,
^
arch/powerpc/include/asm/book3s/64/radix.h:289:12: note: previous declaration is here
extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
In file included from arch/powerpc/include/asm/book3s/64/mmu.h:39:
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:28: error: expected ';' after top level declarator
static inline int __meminit vmemmap_create_mapping(unsigned long start,
^
;
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1241:6: error: implicit declaration of function 'pmd_pte' [-Werror,-Wimplicit-function-declaration]
if (__pmd_write((*pmdp)))
^
arch/powerpc/include/asm/book3s/64/pgtable.h:1162:38: note: expanded from macro '__pmd_write'
#define __pmd_write(pmd) __pte_write(pmd_pte(pmd))
^
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1241:6: error: passing 'int' to parameter of incompatible type 'pte_t'
if (__pmd_write((*pmdp)))
^~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1162:38: note: expanded from macro '__pmd_write'
#define __pmd_write(pmd) __pte_write(pmd_pte(pmd))
^~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:419:37: note: passing argument to parameter 'pte' here
static inline int __pte_write(pte_t pte)
^
arch/powerpc/include/asm/book3s/64/pgtable.h:1243:20: error: passing 'int' to parameter of incompatible type 'pte_t'
else if (unlikely(pmd_savedwrite(*pmdp)))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1163:44: note: expanded from macro 'pmd_savedwrite'
#define pmd_savedwrite(pmd) pte_savedwrite(pmd_pte(pmd))
^
include/linux/compiler.h:48:41: note: expanded from macro 'unlikely'
# define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:33:34: note: expanded from macro '__branch_check__'
______r = __builtin_expect(!!(x), expect); \
^
arch/powerpc/include/asm/book3s/64/pgtable.h:439:41: note: passing argument to parameter 'pte' here
static inline bool pte_savedwrite(pte_t pte)
^
arch/powerpc/include/asm/book3s/64/pgtable.h:1243:20: error: passing 'int' to parameter of incompatible type 'pte_t'
else if (unlikely(pmd_savedwrite(*pmdp)))
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:1163:44: note: expanded from macro 'pmd_savedwrite'
#define pmd_savedwrite(pmd) pte_savedwrite(pmd_pte(pmd))
^
include/linux/compiler.h:48:68: note: expanded from macro 'unlikely'
# define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
include/linux/compiler.h:35:19: note: expanded from macro '__branch_check__'
expect, is_constant); \
^~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:439:41: note: passing argument to parameter 'pte' here
static inline bool pte_savedwrite(pte_t pte)
^
arch/powerpc/include/asm/book3s/64/pgtable.h:1380:20: error: implicit declaration of function 'pmd_pte' [-Werror,-Wimplicit-function-declaration]
return pte_devmap(pmd_pte(pmd));
^
arch/powerpc/include/asm/book3s/64/pgtable.h:1380:20: error: passing 'int' to parameter of incompatible type 'pte_t'
return pte_devmap(pmd_pte(pmd));
^~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/pgtable.h:733:36: note: passing argument to parameter 'pte' here
static inline int pte_devmap(pte_t pte)
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:8: error: 'inline' can only appear on functions
static inline void __init early_init_mmu(void)
^
include/linux/compiler_types.h:149:16: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:8: warning: '__gnu_inline__' attribute only applies to functions [-Wignored-attributes]
include/linux/compiler_types.h:149:23: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
include/linux/compiler_attributes.h:160:56: note: expanded from macro '__gnu_inline'
#define __gnu_inline __attribute__((__gnu_inline__))
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:8: warning: '__no_instrument_function__' attribute only applies to functions and Objective-C methods [-Wignored-attributes]
include/linux/compiler_types.h:149:58: note: expanded from macro 'inline'
#define inline inline __gnu_inline __inline_maybe_unused notrace
^
include/linux/compiler_types.h:129:34: note: expanded from macro 'notrace'
#define notrace __attribute__((__no_instrument_function__))
^
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:10:
In file included from arch/powerpc/include/asm/current.h:13:
In file included from arch/powerpc/include/asm/paca.h:17:
In file included from arch/powerpc/include/asm/lppaca.h:46:
In file included from arch/powerpc/include/asm/mmu.h:405:
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:20: error: variable has incomplete type 'void'
static inline void __init early_init_mmu(void)
^
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:26: error: expected ';' after top level declarator
static inline void __init early_init_mmu(void)
^
;
>> arch/powerpc/include/asm/book3s/64/mmu.h:243:9: error: implicit declaration of function 'hash__early_init_mmu_secondary' [-Werror,-Wimplicit-function-declaration]
return hash__early_init_mmu_secondary();
^
arch/powerpc/include/asm/book3s/64/mmu.h:243:9: note: did you mean 'radix__early_init_mmu_secondary'?
arch/powerpc/include/asm/book3s/64/mmu.h:238:13: note: 'radix__early_init_mmu_secondary' declared here
extern void radix__early_init_mmu_secondary(void);
^
>> arch/powerpc/include/asm/book3s/64/mmu.h:243:2: error: void function 'early_init_mmu_secondary' should not return a value [-Wreturn-type]
return hash__early_init_mmu_secondary();
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/powerpc/include/asm/book3s/64/mmu.h:262:6: error: variable has incomplete type 'void'
void __init radix_init_pseries(void);
^
arch/powerpc/include/asm/book3s/64/mmu.h:262:12: error: expected ';' after top level declarator
void __init radix_init_pseries(void);
^
;
fatal error: too many errors emitted, stopping now [-ferror-limit=]
5 warnings and 20 errors generated.
make[2]: *** [scripts/Makefile.build:121: arch/powerpc/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1191: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:219: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.

vim +350 arch/powerpc/include/asm/mmu.h

bab4c8de6289b4 Michael Ellerman 2016-07-27 346
28ea38b9cba68e Christophe Leroy 2019-02-21 347 #ifdef CONFIG_STRICT_KERNEL_RWX
28ea38b9cba68e Christophe Leroy 2019-02-21 348 static inline bool strict_kernel_rwx_enabled(void)
28ea38b9cba68e Christophe Leroy 2019-02-21 349 {
28ea38b9cba68e Christophe Leroy 2019-02-21 @350 return rodata_enabled;
28ea38b9cba68e Christophe Leroy 2019-02-21 351 }
28ea38b9cba68e Christophe Leroy 2019-02-21 352 #else
28ea38b9cba68e Christophe Leroy 2019-02-21 353 static inline bool strict_kernel_rwx_enabled(void)
28ea38b9cba68e Christophe Leroy 2019-02-21 354 {
28ea38b9cba68e Christophe Leroy 2019-02-21 355 return false;
28ea38b9cba68e Christophe Leroy 2019-02-21 356 }
28ea38b9cba68e Christophe Leroy 2019-02-21 357 #endif
4fcc636615b1a3 Jordan Niethe 2021-06-09 358

:::::: The code at line 350 was first introduced by commit
:::::: 28ea38b9cba68eec55cf550acd6b36b6f507cd17 powerpc/mmu: add is_strict_kernel_rwx() helper

:::::: TO: Christophe Leroy <christophe.leroy@xxxxxx>
:::::: CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Next message: Javier Martinez Canillas: "[PATCH] drm/repaper: Use format helper for xrgb8888 to monochrome conversion"
Previous message: kernel test robot: "[mingo-tip:sched/headers 571/2340] arch/s390/include/asm/preempt.h:110:42: error: implicit declaration of function 'task_thread_info'"
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