Messages in this thread | | | Date | Mon, 26 Oct 2020 20:26:49 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [rcu:rcu/test 76/76] drivers/dax/super.c:21:1: error: use of undeclared identifier '___srcu_struct_ptrs' |
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On Mon, Oct 26, 2020 at 06:53:34PM -0700, Nathan Chancellor wrote: > Hi Paul, > > On Tue, Oct 27, 2020 at 08:50:52AM +0800, kernel test robot wrote: > > 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. > > Please drop commit c1370c128cf4 ("srcu: Avoid escaped section names"), > it has been fixed in a different way as of v5.10-rc1, in > commit 33def8498fdd ("treewide: Convert macro and uses of __section(foo) > to __section("foo")").
Thank you, and will do!
Thanx, Paul
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