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Message-ID: <202208240804.stCUUthX-lkp@intel.com>
Date: Wed, 24 Aug 2022 08:13:40 +0800
From: kernel test robot <lkp@...el.com>
To: Huacai Chen <chenhuacai@...ngson.cn>,
Arnd Bergmann <arnd@...db.de>,
Huacai Chen <chenhuacai@...nel.org>
Cc: kbuild-all@...ts.01.org, loongarch@...ts.linux.dev,
linux-arch@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>,
Guo Ren <guoren@...nel.org>, Xuerui Wang <kernel@...0n.name>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2] LoongArch: Use TLB for ioremap()
Hi Huacai,
I love your patch! Perhaps something to improve:
[auto build test WARNING on linus/master]
[also build test WARNING on v6.0-rc2 next-20220823]
[cannot apply to soc/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Huacai-Chen/LoongArch-Use-TLB-for-ioremap/20220823-110829
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 072e51356cd5a4a1c12c1020bc054c99b98333df
config: loongarch-buildonly-randconfig-r001-20220823 (https://download.01.org/0day-ci/archive/20220824/202208240804.stCUUthX-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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://github.com/intel-lab-lkp/linux/commit/80f55a8feb23743d963d113c803bf54b1287244d
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Huacai-Chen/LoongArch-Use-TLB-for-ioremap/20220823-110829
git checkout 80f55a8feb23743d963d113c803bf54b1287244d
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash arch/loongarch/kernel/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
In file included from include/asm-generic/io.h:1048,
from arch/loongarch/include/asm/io.h:94,
from arch/loongarch/include/asm/pgtable.h:62,
from arch/loongarch/include/asm/uaccess.h:17,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:7,
from arch/loongarch/kernel/cpu-probe.c:9:
include/linux/pgtable.h: In function 'pte_offset_kernel':
include/linux/pgtable.h:92:25: error: implicit declaration of function 'pmd_page_vaddr'; did you mean 'pgd_page_vaddr'? [-Werror=implicit-function-declaration]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^~~~~~~~~~~~~~
| pgd_page_vaddr
>> include/linux/pgtable.h:92:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^
include/linux/pgtable.h: In function 'virt_to_kpte':
include/linux/pgtable.h:165:16: error: implicit declaration of function 'pmd_none'; did you mean 'pud_none'? [-Werror=implicit-function-declaration]
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
| pud_none
include/linux/pgtable.h: In function 'ptep_test_and_clear_young':
include/linux/pgtable.h:207:14: error: implicit declaration of function 'pte_young' [-Werror=implicit-function-declaration]
207 | if (!pte_young(pte))
| ^~~~~~~~~
include/linux/pgtable.h:210:17: error: implicit declaration of function 'set_pte_at' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
include/linux/pgtable.h:210:55: error: implicit declaration of function 'pte_mkold' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
include/linux/pgtable.h: In function 'ptep_get_and_clear':
include/linux/pgtable.h:269:9: error: implicit declaration of function 'pte_clear'; did you mean 'pud_clear'? [-Werror=implicit-function-declaration]
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
| pud_clear
include/linux/pgtable.h: In function 'ptep_set_wrprotect':
include/linux/pgtable.h:455:39: error: implicit declaration of function 'pte_wrprotect'; did you mean 'ptep_set_wrprotect'? [-Werror=implicit-function-declaration]
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
| ptep_set_wrprotect
In file included from include/linux/init.h:5,
from arch/loongarch/kernel/cpu-probe.c:7:
include/linux/pgtable.h: In function 'pmd_none_or_clear_bad':
include/linux/pgtable.h:877:22: error: implicit declaration of function 'pmd_bad'; did you mean 'pud_bad'? [-Werror=implicit-function-declaration]
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/pgtable.h: In function 'pmd_none_or_trans_huge_or_clear_bad':
include/linux/pgtable.h:1384:67: error: implicit declaration of function 'pmd_present'; did you mean 'pud_present'? [-Werror=implicit-function-declaration]
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
| pud_present
arch/loongarch/include/asm/pgtable.h: At top level:
arch/loongarch/include/asm/pgtable.h:199:19: error: static declaration of 'pmd_none' follows non-static declaration
199 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
include/linux/pgtable.h:165:16: note: previous implicit declaration of 'pmd_none' with type 'int()'
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
arch/loongarch/include/asm/pgtable.h:204:19: error: static declaration of 'pmd_bad' follows non-static declaration
204 | static inline int pmd_bad(pmd_t pmd)
| ^~~~~~~
include/linux/pgtable.h:877:22: note: previous implicit declaration of 'pmd_bad' with type 'int()'
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
arch/loongarch/include/asm/pgtable.h:209:19: error: static declaration of 'pmd_present' follows non-static declaration
209 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
include/linux/pgtable.h:1384:67: note: previous implicit declaration of 'pmd_present' with type 'int()'
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: warning: conflicting types for 'set_pte_at'; have 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
303 | static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: error: static declaration of 'set_pte_at' follows non-static declaration
include/linux/pgtable.h:210:17: note: previous implicit declaration of 'set_pte_at' with type 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: warning: conflicting types for 'pte_clear'; have 'void(struct mm_struct *, long unsigned int, pte_t *)'
309 | static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: error: static declaration of 'pte_clear' follows non-static declaration
include/linux/pgtable.h:269:9: note: previous implicit declaration of 'pte_clear' with type 'void(struct mm_struct *, long unsigned int, pte_t *)'
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:330:19: error: static declaration of 'pte_young' follows non-static declaration
330 | static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
| ^~~~~~~~~
include/linux/pgtable.h:207:14: note: previous implicit declaration of 'pte_young' with type 'int()'
207 | if (!pte_young(pte))
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:333:21: error: conflicting types for 'pte_mkold'; have 'pte_t(pte_t)'
333 | static inline pte_t pte_mkold(pte_t pte)
| ^~~~~~~~~
include/linux/pgtable.h:210:55: note: previous implicit declaration of 'pte_mkold' with type 'int()'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:363:21: error: conflicting types for 'pte_wrprotect'; have 'pte_t(pte_t)'
363 | static inline pte_t pte_wrprotect(pte_t pte)
| ^~~~~~~~~~~~~
include/linux/pgtable.h:455:39: note: previous implicit declaration of 'pte_wrprotect' with type 'int()'
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:382: warning: "pte_accessible" redefined
382 | #define pte_accessible pte_accessible
|
include/linux/pgtable.h:780: note: this is the location of the previous definition
780 | # define pte_accessible(mm, pte) ((void)(pte), 1)
--
In file included from include/asm-generic/io.h:1048,
from arch/loongarch/include/asm/io.h:94,
from arch/loongarch/include/asm/pgtable.h:62,
from arch/loongarch/include/asm/uaccess.h:17,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/ptrace.h:7,
from include/linux/entry-common.h:6,
from arch/loongarch/kernel/traps.c:10:
include/linux/pgtable.h: In function 'pte_offset_kernel':
include/linux/pgtable.h:92:25: error: implicit declaration of function 'pmd_page_vaddr'; did you mean 'pgd_page_vaddr'? [-Werror=implicit-function-declaration]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^~~~~~~~~~~~~~
| pgd_page_vaddr
>> include/linux/pgtable.h:92:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^
include/linux/pgtable.h: In function 'virt_to_kpte':
include/linux/pgtable.h:165:16: error: implicit declaration of function 'pmd_none'; did you mean 'pud_none'? [-Werror=implicit-function-declaration]
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
| pud_none
include/linux/pgtable.h: In function 'ptep_test_and_clear_young':
include/linux/pgtable.h:207:14: error: implicit declaration of function 'pte_young' [-Werror=implicit-function-declaration]
207 | if (!pte_young(pte))
| ^~~~~~~~~
include/linux/pgtable.h:210:17: error: implicit declaration of function 'set_pte_at' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
include/linux/pgtable.h:210:55: error: implicit declaration of function 'pte_mkold' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
include/linux/pgtable.h: In function 'ptep_get_and_clear':
include/linux/pgtable.h:269:9: error: implicit declaration of function 'pte_clear'; did you mean 'pud_clear'? [-Werror=implicit-function-declaration]
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
| pud_clear
include/linux/pgtable.h: In function 'ptep_set_wrprotect':
include/linux/pgtable.h:455:39: error: implicit declaration of function 'pte_wrprotect'; did you mean 'ptep_set_wrprotect'? [-Werror=implicit-function-declaration]
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
| ptep_set_wrprotect
In file included from include/linux/build_bug.h:5,
from include/linux/bits.h:22,
from include/linux/bitops.h:6,
from arch/loongarch/kernel/traps.c:6:
include/linux/pgtable.h: In function 'pmd_none_or_clear_bad':
include/linux/pgtable.h:877:22: error: implicit declaration of function 'pmd_bad'; did you mean 'pud_bad'? [-Werror=implicit-function-declaration]
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/pgtable.h: In function 'pmd_none_or_trans_huge_or_clear_bad':
include/linux/pgtable.h:1384:67: error: implicit declaration of function 'pmd_present'; did you mean 'pud_present'? [-Werror=implicit-function-declaration]
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
| pud_present
arch/loongarch/include/asm/pgtable.h: At top level:
arch/loongarch/include/asm/pgtable.h:199:19: error: static declaration of 'pmd_none' follows non-static declaration
199 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
include/linux/pgtable.h:165:16: note: previous implicit declaration of 'pmd_none' with type 'int()'
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
arch/loongarch/include/asm/pgtable.h:204:19: error: static declaration of 'pmd_bad' follows non-static declaration
204 | static inline int pmd_bad(pmd_t pmd)
| ^~~~~~~
include/linux/pgtable.h:877:22: note: previous implicit declaration of 'pmd_bad' with type 'int()'
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
arch/loongarch/include/asm/pgtable.h:209:19: error: static declaration of 'pmd_present' follows non-static declaration
209 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
include/linux/pgtable.h:1384:67: note: previous implicit declaration of 'pmd_present' with type 'int()'
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: warning: conflicting types for 'set_pte_at'; have 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
303 | static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: error: static declaration of 'set_pte_at' follows non-static declaration
include/linux/pgtable.h:210:17: note: previous implicit declaration of 'set_pte_at' with type 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: warning: conflicting types for 'pte_clear'; have 'void(struct mm_struct *, long unsigned int, pte_t *)'
309 | static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: error: static declaration of 'pte_clear' follows non-static declaration
include/linux/pgtable.h:269:9: note: previous implicit declaration of 'pte_clear' with type 'void(struct mm_struct *, long unsigned int, pte_t *)'
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:330:19: error: static declaration of 'pte_young' follows non-static declaration
330 | static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
| ^~~~~~~~~
include/linux/pgtable.h:207:14: note: previous implicit declaration of 'pte_young' with type 'int()'
207 | if (!pte_young(pte))
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:333:21: error: conflicting types for 'pte_mkold'; have 'pte_t(pte_t)'
333 | static inline pte_t pte_mkold(pte_t pte)
| ^~~~~~~~~
include/linux/pgtable.h:210:55: note: previous implicit declaration of 'pte_mkold' with type 'int()'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:363:21: error: conflicting types for 'pte_wrprotect'; have 'pte_t(pte_t)'
363 | static inline pte_t pte_wrprotect(pte_t pte)
| ^~~~~~~~~~~~~
include/linux/pgtable.h:455:39: note: previous implicit declaration of 'pte_wrprotect' with type 'int()'
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:382: warning: "pte_accessible" redefined
382 | #define pte_accessible pte_accessible
|
--
In file included from include/asm-generic/io.h:1048,
from arch/loongarch/include/asm/io.h:94,
from arch/loongarch/include/asm/pgtable.h:62,
from arch/loongarch/include/asm/uaccess.h:17,
from include/linux/uaccess.h:11,
from include/linux/sched/task.h:11,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/percpu-rwsem.h:7,
from include/linux/fs.h:33,
from arch/loongarch/include/asm/elf.h:9,
from include/linux/elf.h:6,
from include/linux/module.h:19,
from include/linux/device/driver.h:21,
from include/linux/device.h:32,
from include/linux/acpi.h:15,
from arch/loongarch/kernel/irq.c:6:
include/linux/pgtable.h: In function 'pte_offset_kernel':
include/linux/pgtable.h:92:25: error: implicit declaration of function 'pmd_page_vaddr'; did you mean 'pgd_page_vaddr'? [-Werror=implicit-function-declaration]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^~~~~~~~~~~~~~
| pgd_page_vaddr
>> include/linux/pgtable.h:92:16: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
92 | return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
| ^
include/linux/pgtable.h: In function 'virt_to_kpte':
include/linux/pgtable.h:165:16: error: implicit declaration of function 'pmd_none'; did you mean 'pud_none'? [-Werror=implicit-function-declaration]
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
| pud_none
include/linux/pgtable.h: In function 'ptep_test_and_clear_young':
include/linux/pgtable.h:207:14: error: implicit declaration of function 'pte_young' [-Werror=implicit-function-declaration]
207 | if (!pte_young(pte))
| ^~~~~~~~~
include/linux/pgtable.h:210:17: error: implicit declaration of function 'set_pte_at' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
include/linux/pgtable.h:210:55: error: implicit declaration of function 'pte_mkold' [-Werror=implicit-function-declaration]
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
include/linux/pgtable.h: In function 'ptep_get_and_clear':
include/linux/pgtable.h:269:9: error: implicit declaration of function 'pte_clear'; did you mean 'pud_clear'? [-Werror=implicit-function-declaration]
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
| pud_clear
include/linux/pgtable.h: In function 'ptep_set_wrprotect':
include/linux/pgtable.h:455:39: error: implicit declaration of function 'pte_wrprotect'; did you mean 'ptep_set_wrprotect'? [-Werror=implicit-function-declaration]
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
| ptep_set_wrprotect
In file included from include/linux/kernel.h:20,
from arch/loongarch/kernel/irq.c:5:
include/linux/pgtable.h: In function 'pmd_none_or_clear_bad':
include/linux/pgtable.h:877:22: error: implicit declaration of function 'pmd_bad'; did you mean 'pud_bad'? [-Werror=implicit-function-declaration]
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
include/linux/pgtable.h: In function 'pmd_none_or_trans_huge_or_clear_bad':
include/linux/pgtable.h:1384:67: error: implicit declaration of function 'pmd_present'; did you mean 'pud_present'? [-Werror=implicit-function-declaration]
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
| pud_present
arch/loongarch/include/asm/pgtable.h: At top level:
arch/loongarch/include/asm/pgtable.h:199:19: error: static declaration of 'pmd_none' follows non-static declaration
199 | static inline int pmd_none(pmd_t pmd)
| ^~~~~~~~
include/linux/pgtable.h:165:16: note: previous implicit declaration of 'pmd_none' with type 'int()'
165 | return pmd_none(*pmd) ? NULL : pte_offset_kernel(pmd, vaddr);
| ^~~~~~~~
arch/loongarch/include/asm/pgtable.h:204:19: error: static declaration of 'pmd_bad' follows non-static declaration
204 | static inline int pmd_bad(pmd_t pmd)
| ^~~~~~~
include/linux/pgtable.h:877:22: note: previous implicit declaration of 'pmd_bad' with type 'int()'
877 | if (unlikely(pmd_bad(*pmd))) {
| ^~~~~~~
include/linux/compiler.h:78:45: note: in definition of macro 'unlikely'
78 | # define unlikely(x) __builtin_expect(!!(x), 0)
| ^
arch/loongarch/include/asm/pgtable.h:209:19: error: static declaration of 'pmd_present' follows non-static declaration
209 | static inline int pmd_present(pmd_t pmd)
| ^~~~~~~~~~~
include/linux/pgtable.h:1384:67: note: previous implicit declaration of 'pmd_present' with type 'int()'
1384 | (IS_ENABLED(CONFIG_ARCH_ENABLE_THP_MIGRATION) && !pmd_present(pmdval)))
| ^~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: warning: conflicting types for 'set_pte_at'; have 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
303 | static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:303:20: error: static declaration of 'set_pte_at' follows non-static declaration
include/linux/pgtable.h:210:17: note: previous implicit declaration of 'set_pte_at' with type 'void(struct mm_struct *, long unsigned int, pte_t *, pte_t)'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: warning: conflicting types for 'pte_clear'; have 'void(struct mm_struct *, long unsigned int, pte_t *)'
309 | static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:309:20: error: static declaration of 'pte_clear' follows non-static declaration
include/linux/pgtable.h:269:9: note: previous implicit declaration of 'pte_clear' with type 'void(struct mm_struct *, long unsigned int, pte_t *)'
269 | pte_clear(mm, address, ptep);
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:330:19: error: static declaration of 'pte_young' follows non-static declaration
330 | static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
| ^~~~~~~~~
include/linux/pgtable.h:207:14: note: previous implicit declaration of 'pte_young' with type 'int()'
207 | if (!pte_young(pte))
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:333:21: error: conflicting types for 'pte_mkold'; have 'pte_t(pte_t)'
333 | static inline pte_t pte_mkold(pte_t pte)
| ^~~~~~~~~
include/linux/pgtable.h:210:55: note: previous implicit declaration of 'pte_mkold' with type 'int()'
210 | set_pte_at(vma->vm_mm, address, ptep, pte_mkold(pte));
| ^~~~~~~~~
arch/loongarch/include/asm/pgtable.h:363:21: error: conflicting types for 'pte_wrprotect'; have 'pte_t(pte_t)'
363 | static inline pte_t pte_wrprotect(pte_t pte)
| ^~~~~~~~~~~~~
include/linux/pgtable.h:455:39: note: previous implicit declaration of 'pte_wrprotect' with type 'int()'
455 | set_pte_at(mm, address, ptep, pte_wrprotect(old_pte));
| ^~~~~~~~~~~~~
arch/loongarch/include/asm/pgtable.h:382: warning: "pte_accessible" redefined
382 | #define pte_accessible pte_accessible
|
include/linux/pgtable.h:780: note: this is the location of the previous definition
780 | # define pte_accessible(mm, pte) ((void)(pte), 1)
..
vim +92 include/linux/pgtable.h
974b9b2c68f3d3 Mike Rapoport 2020-06-08 88
974b9b2c68f3d3 Mike Rapoport 2020-06-08 89 #ifndef pte_offset_kernel
974b9b2c68f3d3 Mike Rapoport 2020-06-08 90 static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address)
974b9b2c68f3d3 Mike Rapoport 2020-06-08 91 {
974b9b2c68f3d3 Mike Rapoport 2020-06-08 @92 return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address);
974b9b2c68f3d3 Mike Rapoport 2020-06-08 93 }
974b9b2c68f3d3 Mike Rapoport 2020-06-08 94 #define pte_offset_kernel pte_offset_kernel
974b9b2c68f3d3 Mike Rapoport 2020-06-08 95 #endif
974b9b2c68f3d3 Mike Rapoport 2020-06-08 96
--
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