From: kernel test robot <lkp@intel.com>
To: unlisted-recipients:; (no To-header on input)
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
linux-kernel@vger.kernel.org,
"Paul E. McKenney" <paulmck@kernel.org>
Subject: [rcu:rcu/test 76/76] drivers/dax/super.c:21:1: error: use of undeclared identifier '___srcu_struct_ptrs'
Date: Tue, 27 Oct 2020 08:50:52 +0800 [thread overview]
Message-ID: <202010270828.0bL3aIGL-lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/test
head: 784a6343c3660446ae62db13628b20e9f876100f
commit: 784a6343c3660446ae62db13628b20e9f876100f [76/76] Merge commit '3650b22' into rcu/test
config: arm-randconfig-r026-20201026 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project f2c25c70791de95d2466e09b5b58fc37f6ccd7a4)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/commit/?id=784a6343c3660446ae62db13628b20e9f876100f
git remote add rcu https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
git fetch --no-tags rcu rcu/test
git checkout 784a6343c3660446ae62db13628b20e9f876100f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/dax/super.c:21:1: error: use of undeclared identifier '___srcu_struct_ptrs'
DEFINE_STATIC_SRCU(dax_srcu);
^
include/linux/srcutree.h:135:34: note: expanded from macro 'DEFINE_STATIC_SRCU'
#define DEFINE_STATIC_SRCU(name) __DEFINE_SRCU(name, static)
^
include/linux/srcutree.h:127:13: note: expanded from macro '__DEFINE_SRCU'
__section(___srcu_struct_ptrs) = &name
^
drivers/dax/super.c:70:6: warning: no previous prototype for function '__generic_fsdax_supported' [-Wmissing-prototypes]
bool __generic_fsdax_supported(struct dax_device *dax_dev,
^
drivers/dax/super.c:70:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
bool __generic_fsdax_supported(struct dax_device *dax_dev,
^
static
drivers/dax/super.c:168:6: warning: no previous prototype for function '__bdev_dax_supported' [-Wmissing-prototypes]
bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
^
drivers/dax/super.c:168:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
bool __bdev_dax_supported(struct block_device *bdev, int blocksize)
^
static
drivers/dax/super.c:452:6: warning: no previous prototype for function 'run_dax' [-Wmissing-prototypes]
void run_dax(struct dax_device *dax_dev)
^
drivers/dax/super.c:452:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void run_dax(struct dax_device *dax_dev)
^
static
3 warnings and 1 error generated.
vim +/___srcu_struct_ptrs +21 drivers/dax/super.c
7b6be8444e0f0d Dan Williams 2017-04-11 19
7b6be8444e0f0d Dan Williams 2017-04-11 20 static dev_t dax_devt;
7b6be8444e0f0d Dan Williams 2017-04-11 @21 DEFINE_STATIC_SRCU(dax_srcu);
7b6be8444e0f0d Dan Williams 2017-04-11 22 static struct vfsmount *dax_mnt;
7b6be8444e0f0d Dan Williams 2017-04-11 23 static DEFINE_IDA(dax_minor_ida);
7b6be8444e0f0d Dan Williams 2017-04-11 24 static struct kmem_cache *dax_cache __read_mostly;
7b6be8444e0f0d Dan Williams 2017-04-11 25 static struct super_block *dax_superblock __read_mostly;
7b6be8444e0f0d Dan Williams 2017-04-11 26
:::::: The code at line 21 was first introduced by commit
:::::: 7b6be8444e0f0dd675b54d059793423d3c9b4c03 dax: refactor dax-fs into a generic provider of 'struct dax_device' instances
:::::: TO: Dan Williams <dan.j.williams@intel.com>
:::::: CC: Dan Williams <dan.j.williams@intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2020-10-27 0:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 0:50 kernel test robot [this message]
2020-10-27 1:53 ` [rcu:rcu/test 76/76] drivers/dax/super.c:21:1: error: use of undeclared identifier '___srcu_struct_ptrs' Nathan Chancellor
2020-10-27 3:26 ` Paul E. McKenney
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