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Date: Sat, 1 May 2021 07:33:35 +0800
From: kernel test robot <lkp@...el.com>
To: Michel Lespinasse <michel@...pinasse.org>,
Linux-MM <linux-mm@...ck.org>,
Linux-Kernel <linux-kernel@...r.kernel.org>
Cc: kbuild-all@...ts.01.org, Laurent Dufour <ldufour@...ux.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
Michal Hocko <mhocko@...e.com>,
Matthew Wilcox <willy@...radead.org>,
Rik van Riel <riel@...riel.com>,
Paul McKenney <paulmck@...nel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Suren Baghdasaryan <surenb@...gle.com>
Subject: Re: [PATCH 16/29] mm: add pte_map_lock() and pte_spinlock()
Hi Michel,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/x86/mm]
[also build test ERROR on arm64/for-next/core linus/master v5.12]
[cannot apply to hnaz-linux-mm/master next-20210430]
[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]
url: https://github.com/0day-ci/linux/commits/Michel-Lespinasse/Speculative-page-faults-anon-vmas-only/20210501-035602
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git a500fc918f7b8dc3dff2e6c74f3e73e856c18248
config: i386-allyesconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/284898f9c11d755d2b231794fc7529d562f8e918
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Michel-Lespinasse/Speculative-page-faults-anon-vmas-only/20210501-035602
git checkout 284898f9c11d755d2b231794fc7529d562f8e918
# save the attached .config to linux build tree
make W=1 W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/mm.h: In function 'pte_map_lock':
include/linux/pgtable.h:79:12: error: implicit declaration of function 'kmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration]
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/highmem.h:14,
from include/linux/pagemap.h:11,
from include/linux/blkdev.h:14,
from include/linux/blk-cgroup.h:23,
from include/linux/writeback.h:14,
from include/linux/memcontrol.h:22,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/highmem-internal.h: At top level:
>> include/linux/highmem-internal.h:98:21: error: conflicting types for 'kmap_atomic'
98 | static inline void *kmap_atomic(struct page *page)
| ^~~~~~~~~~~
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/pgtable.h:79:12: note: previous implicit declaration of 'kmap_atomic' was here
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
--
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/mm.h: In function 'pte_map_lock':
include/linux/pgtable.h:79:12: error: implicit declaration of function 'kmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration]
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/highmem.h:14,
from include/linux/pagemap.h:11,
from include/linux/blkdev.h:14,
from include/linux/blk-cgroup.h:23,
from include/linux/writeback.h:14,
from include/linux/memcontrol.h:22,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/highmem-internal.h: At top level:
>> include/linux/highmem-internal.h:98:21: error: conflicting types for 'kmap_atomic'
98 | static inline void *kmap_atomic(struct page *page)
| ^~~~~~~~~~~
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/pgtable.h:79:12: note: previous implicit declaration of 'kmap_atomic' was here
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:116: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1233: prepare0] Error 2
make[1]: Target 'modules_prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'modules_prepare' not remade because of errors.
--
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/mm.h: In function 'pte_map_lock':
include/linux/pgtable.h:79:12: error: implicit declaration of function 'kmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration]
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
In file included from include/linux/highmem.h:14,
from include/linux/pagemap.h:11,
from include/linux/blkdev.h:14,
from include/linux/blk-cgroup.h:23,
from include/linux/writeback.h:14,
from include/linux/memcontrol.h:22,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/highmem-internal.h: At top level:
>> include/linux/highmem-internal.h:98:21: error: conflicting types for 'kmap_atomic'
98 | static inline void *kmap_atomic(struct page *page)
| ^~~~~~~~~~~
In file included from include/linux/mm.h:33,
from include/linux/kallsyms.h:12,
from include/linux/bpf.h:20,
from include/linux/bpf-cgroup.h:5,
from include/linux/cgroup-defs.h:22,
from include/linux/cgroup.h:28,
from include/linux/memcontrol.h:13,
from include/linux/swap.h:9,
from include/linux/suspend.h:5,
from arch/x86/kernel/asm-offsets.c:13:
include/linux/pgtable.h:79:12: note: previous implicit declaration of 'kmap_atomic' was here
79 | ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
| ^~~~~~~~~~~
include/linux/mm.h:2205:17: note: in expansion of macro 'pte_offset_map'
2205 | pte_t *__pte = pte_offset_map(pmd, address); \
| ^~~~~~~~~~~~~~
include/linux/mm.h:3174:13: note: in expansion of macro 'pte_offset_map_lock'
3174 | vmf->pte = pte_offset_map_lock(vmf->vma->vm_mm, vmf->pmd, vmf->address,
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:116: arch/x86/kernel/asm-offsets.s] Error 1
make[2]: Target '__build' not remade because of errors.
make[1]: *** [Makefile:1233: prepare0] Error 2
make[1]: Target 'prepare' not remade because of errors.
make: *** [Makefile:215: __sub-make] Error 2
make: Target 'prepare' not remade because of errors.
vim +/kmap_atomic +98 include/linux/highmem-internal.h
13f876ba77ebd5 Thomas Gleixner 2020-11-03 97
13f876ba77ebd5 Thomas Gleixner 2020-11-03 @98 static inline void *kmap_atomic(struct page *page)
13f876ba77ebd5 Thomas Gleixner 2020-11-03 99 {
13f876ba77ebd5 Thomas Gleixner 2020-11-03 100 return kmap_atomic_prot(page, kmap_prot);
13f876ba77ebd5 Thomas Gleixner 2020-11-03 101 }
13f876ba77ebd5 Thomas Gleixner 2020-11-03 102
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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