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Message-ID: <202301241800.pdnow11d-lkp@intel.com>
Date: Tue, 24 Jan 2023 19:04:48 +0800
From: kernel test robot <lkp@...el.com>
To: Muhammad Usama Anjum <usama.anjum@...labora.com>,
Peter Xu <peterx@...hat.com>,
David Hildenbrand <david@...hat.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Michał Mirosław <emmir@...gle.com>,
Andrei Vagin <avagin@...il.com>,
Danylo Mocherniuk <mdanylo@...gle.com>,
Paul Gofman <pgofman@...eweavers.com>,
Cyrill Gorcunov <gorcunov@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev,
Linux Memory Management List <linux-mm@...ck.org>,
Alexander Viro <viro@...iv.linux.org.uk>,
Shuah Khan <skhan@...uxfoundation.org>,
Christian Brauner <brauner@...nel.org>,
Yang Shi <shy828301@...il.com>,
Vlastimil Babka <vbabka@...e.cz>,
"Liam R . Howlett" <Liam.Howlett@...cle.com>,
Yun Zhou <yun.zhou@...driver.com>,
Suren Baghdasaryan <surenb@...gle.com>,
Alex Sierra <alex.sierra@....com>,
Muhammad Usama Anjum <usama.anjum@...labora.com>,
Matthew Wilcox <willy@...radead.org>,
Pasha Tatashin <pasha.tatashin@...een.com>,
Mike Rapoport <rppt@...nel.org>, Nadav Amit <namit@...are.com>,
Axel Rasmussen <axelrasmussen@...gle.com>,
"Gustavo A . R . Silva" <gustavoars@...nel.org>,
Dan Williams <dan.j.williams@...el.com>,
linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
linux-kselftest@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: Re: [PATCH v8 1/4] userfaultfd: Add UFFD WP Async support
Hi Muhammad,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on shuah-kselftest/next]
[also build test WARNING on shuah-kselftest/fixes linus/master v6.2-rc5 next-20230124]
[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/Muhammad-Usama-Anjum/userfaultfd-Add-UFFD-WP-Async-support/20230124-164601
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/r/20230124084323.1363825-2-usama.anjum%40collabora.com
patch subject: [PATCH v8 1/4] userfaultfd: Add UFFD WP Async support
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20230124/202301241800.pdnow11d-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/59e98aec663b7ca8fd5f3b3d2a0f17f777f425c4
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Muhammad-Usama-Anjum/userfaultfd-Add-UFFD-WP-Async-support/20230124-164601
git checkout 59e98aec663b7ca8fd5f3b3d2a0f17f777f425c4
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=um SUBARCH=i386 olddefconfig
make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash
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/linux/mm_inline.h:9,
from kernel/fork.c:46:
>> include/linux/userfaultfd_k.h:278:5: warning: no previous prototype for 'userfaultfd_wp_async' [-Wmissing-prototypes]
278 | int userfaultfd_wp_async(struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:162:13: warning: no previous prototype for 'arch_release_task_struct' [-Wmissing-prototypes]
162 | void __weak arch_release_task_struct(struct task_struct *tsk)
| ^~~~~~~~~~~~~~~~~~~~~~~~
kernel/fork.c:862:20: warning: no previous prototype for 'arch_task_cache_init' [-Wmissing-prototypes]
862 | void __init __weak arch_task_cache_init(void) { }
| ^~~~~~~~~~~~~~~~~~~~
kernel/fork.c:957:12: warning: no previous prototype for 'arch_dup_task_struct' [-Wmissing-prototypes]
957 | int __weak arch_dup_task_struct(struct task_struct *dst,
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/hugetlb.h:14,
from kernel/sysctl.c:46:
>> include/linux/userfaultfd_k.h:278:5: warning: no previous prototype for 'userfaultfd_wp_async' [-Wmissing-prototypes]
278 | int userfaultfd_wp_async(struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/mm_inline.h:9,
from mm/memory.c:44:
>> include/linux/userfaultfd_k.h:278:5: warning: no previous prototype for 'userfaultfd_wp_async' [-Wmissing-prototypes]
278 | int userfaultfd_wp_async(struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
mm/memory.c: In function 'wp_huge_pmd':
mm/memory.c:4824:33: error: implicit declaration of function 'set_pmd_at'; did you mean 'set_pte_at'? [-Werror=implicit-function-declaration]
4824 | set_pmd_at(vmf->vma->vm_mm, vmf->address, vmf->pmd,
| ^~~~~~~~~~
| set_pte_at
cc1: some warnings being treated as errors
--
In file included from include/linux/hugetlb.h:14,
from fs/proc/meminfo.c:6:
>> include/linux/userfaultfd_k.h:278:5: warning: no previous prototype for 'userfaultfd_wp_async' [-Wmissing-prototypes]
278 | int userfaultfd_wp_async(struct vm_area_struct *vma)
| ^~~~~~~~~~~~~~~~~~~~
fs/proc/meminfo.c:22:28: warning: no previous prototype for 'arch_report_meminfo' [-Wmissing-prototypes]
22 | void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)
| ^~~~~~~~~~~~~~~~~~~
vim +/userfaultfd_wp_async +278 include/linux/userfaultfd_k.h
277
> 278 int userfaultfd_wp_async(struct vm_area_struct *vma)
279 {
280 return false;
281 }
282
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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