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(HELO d63d4d77d921) ([10.239.97.150]) by orviesa008.jf.intel.com with ESMTP; 27 Dec 2024 06:40:30 -0800 Received: from kbuild by d63d4d77d921 with local (Exim 4.96) (envelope-from ) id 1tRBVr-0003Ek-1t; Fri, 27 Dec 2024 14:40:27 +0000 Date: Fri, 27 Dec 2024 22:39:33 +0800 From: kernel test robot To: Suren Baghdasaryan Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [PATCH 1/2] alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled Message-ID: <202412272206.wWI5m9aG-lkp@intel.com> References: <20241226211639.1357704-1-surenb@google.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241226211639.1357704-1-surenb@google.com> Hi Suren, kernel test robot noticed the following build warnings: [auto build test WARNING on 431614f1580a03c1a653340c55ea76bd12a9403f] url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/alloc_tag-skip-pgalloc_tag_swap-if-profiling-is-disabled/20241227-051744 base: 431614f1580a03c1a653340c55ea76bd12a9403f patch link: https://lore.kernel.org/r/20241226211639.1357704-1-surenb%40google.com patch subject: [PATCH 1/2] alloc_tag: avoid current->alloc_tag manipulations when profiling is disabled config: i386-randconfig-061-20241227 (https://download.01.org/0day-ci/archive/20241227/202412272206.wWI5m9aG-lkp@intel.com/config) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241227/202412272206.wWI5m9aG-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/202412272206.wWI5m9aG-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/power/energy_model.c:168:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct em_perf_table [noderef] __rcu *table @@ got struct em_perf_table * @@ kernel/power/energy_model.c:168:15: sparse: expected struct em_perf_table [noderef] __rcu *table kernel/power/energy_model.c:168:15: sparse: got struct em_perf_table * kernel/power/energy_model.c:169:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *objp @@ got struct em_perf_table [noderef] __rcu *table @@ kernel/power/energy_model.c:169:15: sparse: expected void const *objp kernel/power/energy_model.c:169:15: sparse: got struct em_perf_table [noderef] __rcu *table kernel/power/energy_model.c:177:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct em_perf_table [noderef] __rcu *table @@ got struct em_perf_table * @@ kernel/power/energy_model.c:177:15: sparse: expected struct em_perf_table [noderef] __rcu *table kernel/power/energy_model.c:177:15: sparse: got struct em_perf_table * kernel/power/energy_model.c:179:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct callback_head *head @@ got struct callback_head [noderef] __rcu * @@ kernel/power/energy_model.c:179:19: sparse: expected struct callback_head *head kernel/power/energy_model.c:179:19: sparse: got struct callback_head [noderef] __rcu * kernel/power/energy_model.c:190:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct kref *kref @@ got struct kref [noderef] __rcu * @@ kernel/power/energy_model.c:190:19: sparse: expected struct kref *kref kernel/power/energy_model.c:190:19: sparse: got struct kref [noderef] __rcu * >> kernel/power/energy_model.c:208:15: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct em_perf_table [noderef] __rcu *table @@ got void *[assigned] _res @@ kernel/power/energy_model.c:208:15: sparse: expected struct em_perf_table [noderef] __rcu *table kernel/power/energy_model.c:208:15: sparse: got void *[assigned] _res kernel/power/energy_model.c:212:20: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct kref *kref @@ got struct kref [noderef] __rcu * @@ kernel/power/energy_model.c:212:20: sparse: expected struct kref *kref kernel/power/energy_model.c:212:20: sparse: got struct kref [noderef] __rcu * kernel/power/energy_model.c:328:19: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct kref *kref @@ got struct kref [noderef] __rcu * @@ kernel/power/energy_model.c:328:19: sparse: expected struct kref *kref kernel/power/energy_model.c:328:19: sparse: got struct kref [noderef] __rcu * kernel/power/energy_model.c:333:45: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct em_perf_state *table @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:333:45: sparse: expected struct em_perf_state *table kernel/power/energy_model.c:333:45: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:433:45: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct em_perf_state *table @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:433:45: sparse: expected struct em_perf_state *table kernel/power/energy_model.c:433:45: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:450:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const *objp @@ got struct em_perf_table [noderef] __rcu *[assigned] em_table @@ kernel/power/energy_model.c:450:15: sparse: expected void const *objp kernel/power/energy_model.c:450:15: sparse: got struct em_perf_table [noderef] __rcu *[assigned] em_table kernel/power/energy_model.c:634:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct em_perf_state *table @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:634:55: sparse: expected struct em_perf_state *table kernel/power/energy_model.c:634:55: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:689:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct em_perf_state *new_ps @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:689:16: sparse: expected struct em_perf_state *new_ps kernel/power/energy_model.c:689:16: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:707:37: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct em_perf_state *table @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:707:37: sparse: expected struct em_perf_state *table kernel/power/energy_model.c:707:37: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:742:38: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected struct em_perf_state *table @@ got struct em_perf_state [noderef] __rcu * @@ kernel/power/energy_model.c:742:38: sparse: expected struct em_perf_state *table kernel/power/energy_model.c:742:38: sparse: got struct em_perf_state [noderef] __rcu * kernel/power/energy_model.c:846:53: sparse: sparse: dereference of noderef expression kernel/power/energy_model.c:855:32: sparse: sparse: dereference of noderef expression vim +208 kernel/power/energy_model.c ffcf9bce7af02a Lukasz Luba 2024-02-08 192 ffcf9bce7af02a Lukasz Luba 2024-02-08 193 /** ffcf9bce7af02a Lukasz Luba 2024-02-08 194 * em_table_alloc() - Allocate a new EM table ffcf9bce7af02a Lukasz Luba 2024-02-08 195 * @pd : EM performance domain for which this must be done ffcf9bce7af02a Lukasz Luba 2024-02-08 196 * ffcf9bce7af02a Lukasz Luba 2024-02-08 197 * Allocate a new EM table and initialize its kref to indicate that it ffcf9bce7af02a Lukasz Luba 2024-02-08 198 * has a user. ffcf9bce7af02a Lukasz Luba 2024-02-08 199 * Returns allocated table or NULL. ffcf9bce7af02a Lukasz Luba 2024-02-08 200 */ ffcf9bce7af02a Lukasz Luba 2024-02-08 201 struct em_perf_table __rcu *em_table_alloc(struct em_perf_domain *pd) ca0fc871f16f4b Lukasz Luba 2024-02-08 202 { ca0fc871f16f4b Lukasz Luba 2024-02-08 203 struct em_perf_table __rcu *table; ca0fc871f16f4b Lukasz Luba 2024-02-08 204 int table_size; ca0fc871f16f4b Lukasz Luba 2024-02-08 205 ca0fc871f16f4b Lukasz Luba 2024-02-08 206 table_size = sizeof(struct em_perf_state) * pd->nr_perf_states; ca0fc871f16f4b Lukasz Luba 2024-02-08 207 ca0fc871f16f4b Lukasz Luba 2024-02-08 @208 table = kzalloc(sizeof(*table) + table_size, GFP_KERNEL); ffcf9bce7af02a Lukasz Luba 2024-02-08 209 if (!table) ffcf9bce7af02a Lukasz Luba 2024-02-08 210 return NULL; ffcf9bce7af02a Lukasz Luba 2024-02-08 211 ffcf9bce7af02a Lukasz Luba 2024-02-08 212 kref_init(&table->kref); ffcf9bce7af02a Lukasz Luba 2024-02-08 213 ca0fc871f16f4b Lukasz Luba 2024-02-08 214 return table; ca0fc871f16f4b Lukasz Luba 2024-02-08 215 } ca0fc871f16f4b Lukasz Luba 2024-02-08 216 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki