From: kernel test robot <lkp@intel.com>
To: Chunyan Zhang <zhangchunyan@iscas.ac.cn>,
linux-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Deepak Gupta <debug@rivosinc.com>,
Ved Shanbhogue <ved@rivosinc.com>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>, Jan Kara <jack@suse.cz>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
Peter Xu <peterx@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R . Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>,
Chunyan Zhang <zhang.lyra@gmail.com>
Subject: Re: [PATCH V12 2/5] mm: userfaultfd: Add pgtable_supports_uffd_wp()
Date: Tue, 16 Sep 2025 13:55:38 +0800 [thread overview]
Message-ID: <202509161304.mQnxOxhS-lkp@intel.com> (raw)
In-Reply-To: <20250915101343.1449546-3-zhangchunyan@iscas.ac.cn>
Hi Chunyan,
kernel test robot noticed the following build errors:
[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on kees/for-next/execve linus/master v6.17-rc6]
[cannot apply to akpm-mm/mm-everything next-20250915]
[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/Chunyan-Zhang/mm-softdirty-Add-pgtable_supports_soft_dirty/20250915-181826
base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link: https://lore.kernel.org/r/20250915101343.1449546-3-zhangchunyan%40iscas.ac.cn
patch subject: [PATCH V12 2/5] mm: userfaultfd: Add pgtable_supports_uffd_wp()
config: riscv-randconfig-002-20250916 (https://download.01.org/0day-ci/archive/20250916/202509161304.mQnxOxhS-lkp@intel.com/config)
compiler: riscv32-linux-gcc (GCC) 10.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250916/202509161304.mQnxOxhS-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509161304.mQnxOxhS-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/mm_inline.h:10,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/userfaultfd_k.h: In function 'pte_marker_entry_uffd_wp':
>> include/linux/userfaultfd_k.h:441:9: error: implicit declaration of function 'is_pte_marker_entry' [-Werror=implicit-function-declaration]
441 | return is_pte_marker_entry(entry) &&
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:442:10: error: implicit declaration of function 'pte_marker_get' [-Werror=implicit-function-declaration]
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:442:34: error: 'PTE_MARKER_UFFD_WP' undeclared (first use in this function)
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~~~~~
include/linux/userfaultfd_k.h:442:34: note: each undeclared identifier is reported only once for each function it appears in
include/linux/userfaultfd_k.h: In function 'pte_marker_uffd_wp':
>> include/linux/userfaultfd_k.h:452:7: error: implicit declaration of function 'is_swap_pte'; did you mean 'is_swap_pmd'? [-Werror=implicit-function-declaration]
452 | if (!is_swap_pte(pte))
| ^~~~~~~~~~~
| is_swap_pmd
>> include/linux/userfaultfd_k.h:455:10: error: implicit declaration of function 'pte_to_swp_entry' [-Werror=implicit-function-declaration]
455 | entry = pte_to_swp_entry(pte);
| ^~~~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:455:10: error: incompatible types when assigning to type 'swp_entry_t' from type 'int'
In file included from include/linux/mm_inline.h:11,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/swapops.h: At top level:
>> include/linux/swapops.h:124:19: error: static declaration of 'is_swap_pte' follows non-static declaration
124 | static inline int is_swap_pte(pte_t pte)
| ^~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/userfaultfd_k.h:452:7: note: previous implicit declaration of 'is_swap_pte' was here
452 | if (!is_swap_pte(pte))
| ^~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
>> include/linux/swapops.h:133:27: error: conflicting types for 'pte_to_swp_entry'
133 | static inline swp_entry_t pte_to_swp_entry(pte_t pte)
| ^~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/userfaultfd_k.h:455:10: note: previous implicit declaration of 'pte_to_swp_entry' was here
455 | entry = pte_to_swp_entry(pte);
| ^~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
>> include/linux/swapops.h:429:20: error: conflicting types for 'is_pte_marker_entry'
429 | static inline bool is_pte_marker_entry(swp_entry_t entry)
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/userfaultfd_k.h:441:9: note: previous implicit declaration of 'is_pte_marker_entry' was here
441 | return is_pte_marker_entry(entry) &&
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
>> include/linux/swapops.h:434:26: error: conflicting types for 'pte_marker_get'
434 | static inline pte_marker pte_marker_get(swp_entry_t entry)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/internal.h:13,
from mm/page_frag_cache.c:21:
include/linux/userfaultfd_k.h:442:10: note: previous implicit declaration of 'pte_marker_get' was here
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h: In function 'pte_marker_entry_uffd_wp':
>> include/linux/userfaultfd_k.h:441:9: error: implicit declaration of function 'is_pte_marker_entry' [-Werror=implicit-function-declaration]
441 | return is_pte_marker_entry(entry) &&
| ^~~~~~~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:442:10: error: implicit declaration of function 'pte_marker_get' [-Werror=implicit-function-declaration]
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:442:34: error: 'PTE_MARKER_UFFD_WP' undeclared (first use in this function)
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~~~~~
include/linux/userfaultfd_k.h:442:34: note: each undeclared identifier is reported only once for each function it appears in
include/linux/userfaultfd_k.h: In function 'pte_marker_uffd_wp':
>> include/linux/userfaultfd_k.h:452:7: error: implicit declaration of function 'is_swap_pte'; did you mean 'is_swap_pmd'? [-Werror=implicit-function-declaration]
452 | if (!is_swap_pte(pte))
| ^~~~~~~~~~~
| is_swap_pmd
>> include/linux/userfaultfd_k.h:455:10: error: implicit declaration of function 'pte_to_swp_entry' [-Werror=implicit-function-declaration]
455 | entry = pte_to_swp_entry(pte);
| ^~~~~~~~~~~~~~~~
>> include/linux/userfaultfd_k.h:455:10: error: incompatible types when assigning to type 'swp_entry_t' from type 'int'
In file included from include/linux/mm_inline.h:11,
from mm/mremap.c:12:
include/linux/swapops.h: At top level:
>> include/linux/swapops.h:124:19: error: static declaration of 'is_swap_pte' follows non-static declaration
124 | static inline int is_swap_pte(pte_t pte)
| ^~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h:452:7: note: previous implicit declaration of 'is_swap_pte' was here
452 | if (!is_swap_pte(pte))
| ^~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/mremap.c:12:
>> include/linux/swapops.h:133:27: error: conflicting types for 'pte_to_swp_entry'
133 | static inline swp_entry_t pte_to_swp_entry(pte_t pte)
| ^~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h:455:10: note: previous implicit declaration of 'pte_to_swp_entry' was here
455 | entry = pte_to_swp_entry(pte);
| ^~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/mremap.c:12:
>> include/linux/swapops.h:429:20: error: conflicting types for 'is_pte_marker_entry'
429 | static inline bool is_pte_marker_entry(swp_entry_t entry)
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h:441:9: note: previous implicit declaration of 'is_pte_marker_entry' was here
441 | return is_pte_marker_entry(entry) &&
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:11,
from mm/mremap.c:12:
>> include/linux/swapops.h:434:26: error: conflicting types for 'pte_marker_get'
434 | static inline pte_marker pte_marker_get(swp_entry_t entry)
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h:442:10: note: previous implicit declaration of 'pte_marker_get' was here
442 | (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
| ^~~~~~~~~~~~~~
In file included from include/linux/mm_inline.h:10,
from mm/mremap.c:12:
include/linux/userfaultfd_k.h: In function 'pte_marker_entry_uffd_wp':
include/linux/userfaultfd_k.h:443:1: warning: control reaches end of non-void function [-Wreturn-type]
443 | }
| ^
cc1: some warnings being treated as errors
vim +/is_pte_marker_entry +441 include/linux/userfaultfd_k.h
2bad466cc9d9b4c Peter Xu 2023-03-09 435
1db9dbc2ef05205 Peter Xu 2022-05-12 436 static inline bool pte_marker_entry_uffd_wp(swp_entry_t entry)
1db9dbc2ef05205 Peter Xu 2022-05-12 437 {
564509f441b4695 Chunyan Zhang 2025-09-15 438 if (!uffd_supports_wp_marker())
564509f441b4695 Chunyan Zhang 2025-09-15 439 return false;
564509f441b4695 Chunyan Zhang 2025-09-15 440
1db9dbc2ef05205 Peter Xu 2022-05-12 @441 return is_pte_marker_entry(entry) &&
1db9dbc2ef05205 Peter Xu 2022-05-12 @442 (pte_marker_get(entry) & PTE_MARKER_UFFD_WP);
1db9dbc2ef05205 Peter Xu 2022-05-12 443 }
1db9dbc2ef05205 Peter Xu 2022-05-12 444
1db9dbc2ef05205 Peter Xu 2022-05-12 445 static inline bool pte_marker_uffd_wp(pte_t pte)
1db9dbc2ef05205 Peter Xu 2022-05-12 446 {
1db9dbc2ef05205 Peter Xu 2022-05-12 447 swp_entry_t entry;
1db9dbc2ef05205 Peter Xu 2022-05-12 448
564509f441b4695 Chunyan Zhang 2025-09-15 449 if (!uffd_supports_wp_marker())
564509f441b4695 Chunyan Zhang 2025-09-15 450 return false;
564509f441b4695 Chunyan Zhang 2025-09-15 451
1db9dbc2ef05205 Peter Xu 2022-05-12 @452 if (!is_swap_pte(pte))
1db9dbc2ef05205 Peter Xu 2022-05-12 453 return false;
1db9dbc2ef05205 Peter Xu 2022-05-12 454
1db9dbc2ef05205 Peter Xu 2022-05-12 @455 entry = pte_to_swp_entry(pte);
1db9dbc2ef05205 Peter Xu 2022-05-12 456
1db9dbc2ef05205 Peter Xu 2022-05-12 457 return pte_marker_entry_uffd_wp(entry);
1db9dbc2ef05205 Peter Xu 2022-05-12 458 }
1db9dbc2ef05205 Peter Xu 2022-05-12 459
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2025-09-16 5:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-15 10:13 [PATCH V12 0/5] riscv: mm: Add soft-dirty and uffd-wp support Chunyan Zhang
2025-09-15 10:13 ` [PATCH V12 1/5] mm: softdirty: Add pgtable_supports_soft_dirty() Chunyan Zhang
2025-09-15 13:52 ` David Hildenbrand
2025-09-15 10:13 ` [PATCH V12 2/5] mm: userfaultfd: Add pgtable_supports_uffd_wp() Chunyan Zhang
2025-09-15 13:56 ` David Hildenbrand
2025-09-15 17:05 ` Conor Dooley
2025-09-16 5:55 ` kernel test robot [this message]
2025-09-15 10:13 ` [PATCH V12 3/5] riscv: Add RISC-V Svrsw60t59b extension support Chunyan Zhang
2025-09-15 17:03 ` Conor Dooley
2025-09-16 21:57 ` Deepak Gupta
2025-09-15 10:13 ` [PATCH V12 4/5] riscv: mm: Add soft-dirty page tracking support Chunyan Zhang
2025-09-16 21:45 ` Deepak Gupta
2025-09-15 10:13 ` [PATCH V12 5/5] riscv: mm: Add userfaultfd write-protect support Chunyan Zhang
2025-09-15 13:45 ` [PATCH V12 0/5] riscv: mm: Add soft-dirty and uffd-wp support David Hildenbrand
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