[mingo-tip:sched/headers 1459/2308] arch/powerpc/include/asm/cpuidle.h:88:5: error: non-static declaration of '__init' follows static declaration

From: kernel test robot
Date: Thu Mar 17 2022 - 02:18:48 EST

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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head: ef90a8d1de7ff54bfd0fcfe6371c20f544b14d6d
commit: 8fa058844b0ee9ec6ff329695e80271624683cd3 [1459/2308] headers/deps: printk: Reduce <linux/printk.h> header dependencies
config: powerpc64-randconfig-r002-20220317 (https://download.01.org/0day-ci/archive/20220317/202203171426.C1DCYH7r-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a6ec1e3d798f8eab43fb3a91028c6ab04e115fcb)
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-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=8fa058844b0ee9ec6ff329695e80271624683cd3
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 8fa058844b0ee9ec6ff329695e80271624683cd3
# 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:
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,
^
;
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);
^
;
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:30:
>> arch/powerpc/include/asm/cpuidle.h:88:5: error: non-static declaration of '__init' follows static declaration
int __init validate_psscr_val_mask(u64 *psscr_val, u64 *psscr_mask, u32 flags);
^
arch/powerpc/include/asm/book3s/64/mmu.h:231:20: note: previous definition is here
static inline void __init early_init_mmu(void)
^
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:30:
>> arch/powerpc/include/asm/cpuidle.h:88:11: error: expected ';' after top level declarator
int __init validate_psscr_val_mask(u64 *psscr_val, u64 *psscr_mask, u32 flags);
^
;
In file included from arch/powerpc/kernel/asm-offsets.c:12:
In file included from include/linux/preempt.h:79:
In file included from ./arch/powerpc/include/generated/asm/preempt.h:1:
In file included from include/asm-generic/preempt.h:5:
In file included from include/linux/sched/thread_info_api.h:5:
In file included from include/linux/sched.h:12:
include/linux/sched/per_task.h:48:11: fatal error: 'generated/asm-offsets.h' file not found
# include <generated/asm-offsets.h>
^~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings and 15 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 +/__init +88 arch/powerpc/include/asm/cpuidle.h

09206b600c76f2 Gautham R. Shenoy 2017-01-25 86
a7cd88da970405 Gautham R. Shenoy 2017-03-22 87 unsigned long pnv_cpu_offline(unsigned int cpu);
e5913db1ef2281 Nick Child 2021-12-16 @88 int __init validate_psscr_val_mask(u64 *psscr_val, u64 *psscr_mask, u32 flags);
09206b600c76f2 Gautham R. Shenoy 2017-01-25 89 static inline void report_invalid_psscr_val(u64 psscr_val, int err)
09206b600c76f2 Gautham R. Shenoy 2017-01-25 90 {
09206b600c76f2 Gautham R. Shenoy 2017-01-25 91 switch (err) {
09206b600c76f2 Gautham R. Shenoy 2017-01-25 92 case ERR_EC_ESL_MISMATCH:
09206b600c76f2 Gautham R. Shenoy 2017-01-25 93 pr_warn("Invalid psscr 0x%016llx : ESL,EC bits unequal",
09206b600c76f2 Gautham R. Shenoy 2017-01-25 94 psscr_val);
09206b600c76f2 Gautham R. Shenoy 2017-01-25 95 break;
09206b600c76f2 Gautham R. Shenoy 2017-01-25 96 case ERR_DEEP_STATE_ESL_MISMATCH:
09206b600c76f2 Gautham R. Shenoy 2017-01-25 97 pr_warn("Invalid psscr 0x%016llx : ESL cleared for deep stop-state",
09206b600c76f2 Gautham R. Shenoy 2017-01-25 98 psscr_val);
09206b600c76f2 Gautham R. Shenoy 2017-01-25 99 }
09206b600c76f2 Gautham R. Shenoy 2017-01-25 100 }
7cba160ad789a3 Shreyas B. Prabhu 2014-12-10 101 #endif
7cba160ad789a3 Shreyas B. Prabhu 2014-12-10 102

:::::: The code at line 88 was first introduced by commit
:::::: e5913db1ef22817e128f0a794752f7393205e00b powerpc/powernv: Add __init attribute to eligible functions

:::::: TO: Nick Child <nick.child@xxxxxxx>
:::::: CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

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