From: kernel test robot <lkp@intel.com>
To: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
maple-tree@lists.infradead.org, linux-kernel@vger.kernel.org,
Suren Baghdasaryan <surenb@google.com>,
Matthew Wilcox <willy@infradead.org>,
Sidhartha Kumar <sidhartha.kumar@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>,
Alice Ryhl <aliceryhl@google.com>,
Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Arnd Bergmann <arnd@arndb.de>,
Christian Kujau <lists@nerdbynature.de>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>
Subject: Re: [PATCH v2 17/29] maple_tree: Start using maple copy node for destination
Date: Thu, 22 Jan 2026 09:44:37 +0800 [thread overview]
Message-ID: <202601220811.ac3t5OuP-lkp@intel.com> (raw)
In-Reply-To: <20260121164526.2093265-18-Liam.Howlett@oracle.com>
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 <lkp@intel.com>
| 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
next prev parent reply other threads:[~2026-01-22 1:45 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 16:44 [PATCH v2 00/29] maple_tree: Replace big node with maple copy Liam R. Howlett
2026-01-21 16:44 ` [PATCH v2 01/29] maple_tree: Fix mas_dup_alloc() sparse warning Liam R. Howlett
2026-01-21 16:44 ` [PATCH v2 02/29] maple_tree: Move mas_spanning_rebalance loop to function Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 03/29] maple_tree: Extract use of big node from mas_wr_spanning_store() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 04/29] maple_tree: Remove unnecessary assignment of orig_l index Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 05/29] maple_tree: inline mas_spanning_rebalance() into mas_wr_spanning_rebalance() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 06/29] maple_tree: Make ma_wr_states reliable for reuse in spanning store Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 07/29] maple_tree: Remove l_wr_mas from mas_wr_spanning_rebalance Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 08/29] maple_tree: Don't pass through height in mas_wr_spanning_store Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 09/29] maple_tree: Move maple_subtree_state from mas_wr_spanning_store to mas_wr_spanning_rebalance Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 10/29] maple_tree: Correct right ma_wr_state end pivot in mas_wr_spanning_store() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 11/29] maple_tree: Introduce maple_copy node and use it in mas_spanning_rebalance() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 12/29] maple_tree: Testing update for spanning store Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 13/29] maple_tree: Inline mas_spanning_rebalance_loop() into mas_wr_spanning_rebalance() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 14/29] maple_tree: Change initial big node setup in mas_wr_spanning_rebalance() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 15/29] maple_tree: Introduce ma_leaf_max_gap() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 16/29] maple_tree: Add gap support, slot and pivot sizes for maple copy Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 17/29] maple_tree: Start using maple copy node for destination Liam R. Howlett
2026-01-22 1:44 ` kernel test robot [this message]
2026-01-22 5:55 ` SeongJae Park
2026-01-23 19:45 ` Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 18/29] maple_tree: inline mas_wr_spanning_rebalance() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 19/29] maple_tree: Remove unnecessary return statements Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 20/29] maple_tree: Separate wr_split_store and wr_rebalance store type code path Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 21/29] maple_tree: Add cp_is_new_root() helper Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 22/29] maple_tree: Use maple copy node for mas_wr_rebalance() operation Liam R. Howlett
2026-01-27 23:05 ` Mark Brown
2026-01-27 23:15 ` Andrew Morton
2026-01-30 16:42 ` Liam R. Howlett
2026-01-30 18:02 ` Andrew Morton
2026-01-28 10:53 ` Mark Brown
2026-01-28 14:36 ` Liam R. Howlett
2026-01-28 14:56 ` Mark Brown
2026-01-21 16:45 ` [PATCH v2 23/29] maple_tree: Add copy_tree_location() helper Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 24/29] maple_tree: Add cp_converged() helper Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 25/29] maple_tree: Use maple copy node for mas_wr_split() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 26/29] maple_tree: Remove maple big node and subtree structs Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 27/29] maple_tree: Pass maple copy node to mas_wmb_replace() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 28/29] maple_tree: Don't pass end to mas_wr_append() Liam R. Howlett
2026-01-21 16:45 ` [PATCH v2 29/29] maple_tree: Clean up mas_wr_node_store() Liam R. Howlett
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