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Howlett" To: kernel test robot Cc: Andrew Morton , 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 Subject: Re: [PATCH 16/28] maple_tree: Start using maple copy node for destination Message-ID: Mail-Followup-To: "Liam R. 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owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: * kernel test robot [260116 04:37]: > Hi Liam, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on akpm-mm/mm-everything] > [also build test WARNING on next-20260115] > [cannot apply to akpm-mm/mm-nonmm-unstable soc/for-next linus/master v6.19-rc5] > [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-Move-mas_spanning_rebalance-loop-to-function/20260116-034135 > base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything > patch link: https://lore.kernel.org/r/20260115193647.1695937-17-Liam.Howlett%40oracle.com > patch subject: [PATCH 16/28] maple_tree: Start using maple copy node for destination > config: x86_64-randconfig-121-20260116 (https://download.01.org/0day-ci/archive/20260116/202601161750.eDtUQiJr-lkp@intel.com/config) > compiler: gcc-13 (Debian 13.3.0-16) 13.3.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260116/202601161750.eDtUQiJr-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/202601161750.eDtUQiJr-lkp@intel.com/ > > sparse warnings: (new ones prefixed by >>) > >> lib/maple_tree.c:3355:37: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_enode * @@ > lib/maple_tree.c:3355:37: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:3355:37: sparse: got struct maple_enode * > >> lib/maple_tree.c:3358:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct maple_enode const *entry @@ got void [noderef] __rcu * @@ > lib/maple_tree.c:3358:17: sparse: expected struct maple_enode const *entry > lib/maple_tree.c:3358:17: sparse: got void [noderef] __rcu * > >> lib/maple_tree.c:3397:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct maple_enode *node @@ got void [noderef] __rcu * @@ > lib/maple_tree.c:3397:19: sparse: expected struct maple_enode *node > lib/maple_tree.c:3397:19: sparse: got void [noderef] __rcu * > lib/maple_tree.c:3139:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_enode * @@ > lib/maple_tree.c:3139:29: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:3139:29: sparse: got struct maple_enode * > >> lib/maple_tree.c:2558:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct maple_enode *enode @@ got void [noderef] __rcu * @@ > lib/maple_tree.c:2558:52: sparse: expected struct maple_enode *enode > lib/maple_tree.c:2558:52: sparse: got void [noderef] __rcu * > lib/maple_tree.c:2803:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got void *content @@ > lib/maple_tree.c:2803:29: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:2803:29: sparse: got void *content > lib/maple_tree.c:2806:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got void *entry @@ > lib/maple_tree.c:2806:23: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:2806:23: sparse: got void *entry > >> lib/maple_tree.c:2558:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct maple_enode *enode @@ got void [noderef] __rcu * @@ > lib/maple_tree.c:2558:52: sparse: expected struct maple_enode *enode > lib/maple_tree.c:2558:52: sparse: got void [noderef] __rcu * > lib/maple_tree.c:6899:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_node * @@ > lib/maple_tree.c:6899:30: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:6899:30: sparse: got struct maple_node * > lib/maple_tree.c:6899:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __rcu * @@ got struct maple_node * @@ > lib/maple_tree.c:6899:30: sparse: expected void [noderef] __rcu * > lib/maple_tree.c:6899:30: sparse: got struct maple_node * > ... Andrew, Fixing these in patch 16 means that future patches will need fixing. I can either send you patches to fix up this and subsequent patches. It might be better for me to respin the series? Let me know what you think I should do here. I'll also include a final patch to correct any other sparse warnings. Thanks, Liam