[mingo-tip:master 1486/2335] arch/powerpc/include/asm/mmu.h:350:16: error: 'rodata_enabled' undeclared; did you mean 'radix_enabled'?

From: kernel test robot
Date: Wed Mar 16 2022 - 17:32:01 EST

tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git master
head: 85293bf3fca6d85608cff1447ce3097583f15fab
commit: c9cf83a54a72f523cc78474ba78110c9e89db2a6 [1486/2335] headers/deps: printk: Reduce <linux/printk.h> header dependencies
config: powerpc64-randconfig-r023-20220313 (https://download.01.org/0day-ci/archive/20220317/202203170542.lLTUY4Wv-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 11.2.0
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
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=c9cf83a54a72f523cc78474ba78110c9e89db2a6
git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
git fetch --no-tags mingo-tip master
git checkout c9cf83a54a72f523cc78474ba78110c9e89db2a6
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross 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 errors (new ones prefixed by >>):

In file included from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
arch/powerpc/include/asm/mmu.h: In function 'strict_kernel_rwx_enabled':
>> arch/powerpc/include/asm/mmu.h:350:16: error: 'rodata_enabled' undeclared (first use in this function); did you mean 'radix_enabled'?
350 | return rodata_enabled;
| ^~~~~~~~~~~~~~
| radix_enabled
arch/powerpc/include/asm/mmu.h:350:16: note: each undeclared identifier is reported only once for each function it appears in
In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:299,
from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20,
from arch/powerpc/include/asm/book3s/64/mmu.h:39,
from arch/powerpc/include/asm/mmu.h:405,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
arch/powerpc/include/asm/book3s/64/hash.h: At top level:
>> arch/powerpc/include/asm/book3s/64/hash.h:244:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'hash__vmemmap_create_mapping'
244 | extern int __meminit hash__vmemmap_create_mapping(unsigned long start,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/book3s/64/pgtable.h:300,
from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20,
from arch/powerpc/include/asm/book3s/64/mmu.h:39,
from arch/powerpc/include/asm/mmu.h:405,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
>> arch/powerpc/include/asm/book3s/64/radix.h:289:22: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'radix__vmemmap_create_mapping'
289 | extern int __meminit radix__vmemmap_create_mapping(unsigned long start,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/book3s/64/mmu-hash.h:20,
from arch/powerpc/include/asm/book3s/64/mmu.h:39,
from arch/powerpc/include/asm/mmu.h:405,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
>> arch/powerpc/include/asm/book3s/64/pgtable.h:1087:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'vmemmap_create_mapping'
1087 | static inline int __meminit vmemmap_create_mapping(unsigned long start,
| ^~~~~~~~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/mmu.h:405,
from arch/powerpc/include/asm/lppaca.h:46,
from arch/powerpc/include/asm/paca.h:17,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
>> arch/powerpc/include/asm/book3s/64/mmu.h:231:27: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'early_init_mmu'
231 | static inline void __init early_init_mmu(void)
| ^~~~~~~~~~~~~~
>> arch/powerpc/include/asm/book3s/64/mmu.h:262:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'radix_init_pseries'
262 | void __init radix_init_pseries(void);
| ^~~~~~~~~~~~~~~~~~
In file included from arch/powerpc/include/asm/paca.h:30,
from arch/powerpc/include/asm/current.h:13,
from include/linux/preempt.h:10,
from arch/powerpc/kernel/asm-offsets.c:12:
>> arch/powerpc/include/asm/cpuidle.h:88:12: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'validate_psscr_val_mask'
88 | int __init validate_psscr_val_mask(u64 *psscr_val, u64 *psscr_mask, u32 flags);
| ^~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/sched.h:12,
from include/linux/sched/thread_info_api.h:5,
from include/asm-generic/preempt.h:5,
from ./arch/powerpc/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from arch/powerpc/kernel/asm-offsets.c:12:
include/linux/sched/per_task.h:48:11: fatal error: generated/asm-offsets.h: No such file or directory
48 | # include <generated/asm-offsets.h>
| ^~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
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

bab4c8de6289b46 Michael Ellerman 2016-07-27 346
28ea38b9cba68ee Christophe Leroy 2019-02-21 347 #ifdef CONFIG_STRICT_KERNEL_RWX
28ea38b9cba68ee Christophe Leroy 2019-02-21 348 static inline bool strict_kernel_rwx_enabled(void)
28ea38b9cba68ee Christophe Leroy 2019-02-21 349 {
28ea38b9cba68ee Christophe Leroy 2019-02-21 @350 return rodata_enabled;
28ea38b9cba68ee Christophe Leroy 2019-02-21 351 }
28ea38b9cba68ee Christophe Leroy 2019-02-21 352 #else
28ea38b9cba68ee Christophe Leroy 2019-02-21 353 static inline bool strict_kernel_rwx_enabled(void)
28ea38b9cba68ee Christophe Leroy 2019-02-21 354 {
28ea38b9cba68ee Christophe Leroy 2019-02-21 355 return false;
28ea38b9cba68ee Christophe Leroy 2019-02-21 356 }
28ea38b9cba68ee Christophe Leroy 2019-02-21 357 #endif
4fcc636615b1a30 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>

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