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Howlett" , Andrew Morton Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List , maple-tree@lists.infradead.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Matthew Wilcox , Sidhartha Kumar , Vlastimil Babka , Alice Ryhl , Kuninori Morimoto , Geert Uytterhoeven , Arnd Bergmann , Christian Kujau , "Liam R. Howlett" Subject: Re: [PATCH v2 17/29] maple_tree: Start using maple copy node for destination Message-ID: <202601220811.ac3t5OuP-lkp@intel.com> References: <20260121164526.2093265-18-Liam.Howlett@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260121164526.2093265-18-Liam.Howlett@oracle.com> X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 24ED4C0004 X-Stat-Signature: ffuw7nnb7suozcy6nbms48bwqjhmmpak X-Rspam-User: X-HE-Tag: 1769046330-447788 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Liam, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on next-20260121] [cannot apply to akpm-mm/mm-nonmm-unstable soc/for-next linus/master v6.19-rc6] [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/Liam-R-Howlett/maple_tree-Fix-mas_dup_alloc-sparse-warning/20260122-023746 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260121164526.2093265-18-Liam.Howlett%40oracle.com patch subject: [PATCH v2 17/29] maple_tree: Start using maple copy node for destination config: sparc-randconfig-002-20260122 (https://download.01.org/0day-ci/archive/20260122/202601220811.ac3t5OuP-lkp@intel.com/config) compiler: sparc64-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601220811.ac3t5OuP-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202601220811.ac3t5OuP-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from ./arch/sparc/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:380, from include/linux/array_size.h:5, from include/linux/kernel.h:16, from include/linux/maple_tree.h:11, from lib/maple_tree.c:56: lib/maple_tree.c: In function 'cp_dst_to_slots': >> include/linux/rcupdate.h:555:36: error: dereferencing pointer to incomplete type 'struct maple_enode' #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) ^~~~ include/asm-generic/rwonce.h:55:33: note: in definition of macro '__WRITE_ONCE' *(volatile typeof(x) *)&(x) = (val); \ ^~~ include/linux/rcupdate.h:1046:3: note: in expansion of macro 'WRITE_ONCE' WRITE_ONCE(p, RCU_INITIALIZER(v)); \ ^~~~~~~~~~ include/linux/rcupdate.h:1046:17: note: in expansion of macro 'RCU_INITIALIZER' WRITE_ONCE(p, RCU_INITIALIZER(v)); \ ^~~~~~~~~~~~~~~ lib/maple_tree.c:3155:3: note: in expansion of macro 'RCU_INIT_POINTER' RCU_INIT_POINTER(cp->slot[d], mt_mk_node(mn, mt)); ^~~~~~~~~~~~~~~~ vim +555 include/linux/rcupdate.h ca5ecddfa8fcbd Paul E. McKenney 2010-04-28 550 462225ae47d717 Paul E. McKenney 2013-11-11 551 /** 462225ae47d717 Paul E. McKenney 2013-11-11 552 * RCU_INITIALIZER() - statically initialize an RCU-protected global variable 462225ae47d717 Paul E. McKenney 2013-11-11 553 * @v: The value to statically initialize with. 462225ae47d717 Paul E. McKenney 2013-11-11 554 */ 462225ae47d717 Paul E. McKenney 2013-11-11 @555 #define RCU_INITIALIZER(v) (typeof(*(v)) __force __rcu *)(v) 462225ae47d717 Paul E. McKenney 2013-11-11 556 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki