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Howlett" Cc: oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List Subject: [linux-next:master 10788/11220] include/linux/rcupdate.h:555:36: error: dereferencing pointer to incomplete type 'struct maple_enode' Message-ID: <202602030233.gZQAuAMc-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 885FA180007 X-Stat-Signature: q798nnweda6swg85aiawjkndz34ei5sy X-Rspam-User: X-HE-Tag: 1770057077-332410 X-HE-Meta: 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 it0MmHQn CT/qGbUY+NJwJsxj+HvioITMfWHjKEyqdBalPcouExqGtU2BoYGzVzoIISDCz0KNK0RzDYKqhUVpJcIrk/m9Lxkess1Fv6xijp6jTQcxuLDjqg5mur9FQ4/RB/L4XFEdHxe7fnCMNYImm2Uiw6g6ipQ/sSadxzXpTNce4q86Z3beVgmcz8M4JG5QvtpGKUjkG0NTj7dLGyl3aL6v7uoimlfSIX7O+04rC8mUloZILnMoF5JR7r26jXxoTsKDNUqXuUO4ngFZ/BPyfGKaTD3oo3JB+LkKDr521knBquKsPUIiVyGimuHlvS/ycOIX5ybtUVGe3asm2kuewClN84SdlY74h9YG15qzvriMr 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: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 193579fe01389bc21aff0051d13f24e8ea95b47d commit: 60d8a8eb080e2f6927add49f47625574b39d3072 [10788/11220] maple_tree: add cp_is_new_root() helper config: parisc-randconfig-002-20260202 (https://download.01.org/0day-ci/archive/20260203/202602030233.gZQAuAMc-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260203/202602030233.gZQAuAMc-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/202602030233.gZQAuAMc-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from ./arch/parisc/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_is_new_root': >> 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:3364:3: note: in expansion of macro 'RCU_INIT_POINTER' RCU_INIT_POINTER(cp->slot[0], mt_mk_node(cp->dst[0].node, 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 :::::: The code at line 555 was first introduced by commit :::::: 462225ae47d7175f886281d8a91708550cd5178c rcu: Add an RCU_INITIALIZER for global RCU-protected pointers :::::: TO: Paul E. McKenney :::::: CC: Paul E. McKenney -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki