From: kernel test robot <lkp@intel.com>
To: John Groves <John@groves.net>, Miklos Szeredi <miklos@szeredi.hu>,
Dan Williams <dan.j.williams@intel.com>,
Bernd Schubert <bschubert@ddn.com>,
Alison Schofield <alison.schofield@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Jonathan Corbet <corbet@lwn.net>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>,
Alexander Viro <viro@zeniv.linux.org.uk>,
David Hildenbrand <david@kernel.org>,
Christian Brauner <brauner@kernel.org>,
"Darrick J . Wong" <djwong@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Jeff Layton <jlayton@kernel.org>,
Amir Goldstein <amir73il@gmail.com>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Stefan Hajnoczi <shajnocz@redhat.com>,
Joanne Koong <joannelkoong@gmail.com>,
Josef Bacik <josef@toxicpanda.com>,
Bagas Sanjaya <bagasdotme@gmail.com>,
Chen Linxuan <chenlinxuan@uniontech.com>,
James Morse <james.morse@arm.com>, Fuad Tabba <tabba@google.com>,
Sean Christopherson <seanjc@google.com>,
Shivank Garg <shivankg@amd.com>,
Ackerley Tng <ackerleytng@google.com>,
Gregory Price <gourry@gourry.net>,
Aravind Ramesh <arramesh@micron.com>
Subject: Re: [PATCH V3 04/21] dax: Add dax_operations for use by fs-dax on fsdev dax
Date: Thu, 8 Jan 2026 18:55:54 +0100 [thread overview]
Message-ID: <202601081822.Ww7CSgov-lkp@intel.com> (raw)
In-Reply-To: <20260107153332.64727-5-john@groves.net>
Hi John,
kernel test robot noticed the following build errors:
[auto build test ERROR on brauner-vfs/vfs.all]
[also build test ERROR on linus/master v6.19-rc4 next-20260108]
[cannot apply to mszeredi-fuse/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/John-Groves/dax-add-fsdev-c-driver-for-fs-dax-on-character-dax/20260108-013232
base: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.all
patch link: https://lore.kernel.org/r/20260107153332.64727-5-john%40groves.net
patch subject: [PATCH V3 04/21] dax: Add dax_operations for use by fs-dax on fsdev dax
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260108/202601081822.Ww7CSgov-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260108/202601081822.Ww7CSgov-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/202601081822.Ww7CSgov-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/dax/fsdev.c:97:9: error: call to undeclared function '_copy_from_iter_flushcache'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
97 | return _copy_from_iter_flushcache(addr, bytes, i);
| ^
drivers/dax/fsdev.c:97:9: note: did you mean '__copy_from_user_flushcache'?
arch/x86/include/asm/uaccess_64.h:166:1: note: '__copy_from_user_flushcache' declared here
166 | __copy_from_user_flushcache(void *dst, const void __user *src, unsigned size)
| ^
1 error generated.
vim +/_copy_from_iter_flushcache +97 drivers/dax/fsdev.c
93
94 static size_t fsdev_dax_recovery_write(struct dax_device *dax_dev, pgoff_t pgoff,
95 void *addr, size_t bytes, struct iov_iter *i)
96 {
> 97 return _copy_from_iter_flushcache(addr, bytes, i);
98 }
99
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
parent reply other threads:[~2026-01-08 17:56 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20260107153332.64727-5-john@groves.net>]
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