From: kernel test robot <lkp@intel.com>
To: Lukasz Luba <lukasz.luba@arm.com>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
rafael@kernel.org
Cc: oe-kbuild-all@lists.linux.dev, lukasz.luba@arm.com,
dietmar.eggemann@arm.com, rui.zhang@intel.com,
amit.kucheria@verdurent.com, amit.kachhap@gmail.com,
daniel.lezcano@linaro.org, viresh.kumar@linaro.org,
len.brown@intel.com, pavel@ucw.cz, mhiramat@kernel.org,
qyousef@layalina.io, wvw@google.com
Subject: Re: [PATCH v4 10/18] PM: EM: Add RCU mechanism which safely cleans the old data
Date: Tue, 26 Sep 2023 18:28:10 +0800 [thread overview]
Message-ID: <202309261850.jrucSbN8-lkp@intel.com> (raw)
In-Reply-To: <20230925081139.1305766-11-lukasz.luba@arm.com>
Hi Lukasz,
kernel test robot noticed the following build warnings:
[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/thermal linus/master v6.6-rc3 next-20230926]
[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/Lukasz-Luba/PM-EM-Add-missing-newline-for-the-message-log/20230925-181243
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20230925081139.1305766-11-lukasz.luba%40arm.com
patch subject: [PATCH v4 10/18] PM: EM: Add RCU mechanism which safely cleans the old data
config: i386-randconfig-063-20230926 (https://download.01.org/0day-ci/archive/20230926/202309261850.jrucSbN8-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230926/202309261850.jrucSbN8-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/202309261850.jrucSbN8-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> kernel/power/energy_model.c:125:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct em_perf_table *tmp @@ got struct em_perf_table [noderef] __rcu *runtime_table @@
kernel/power/energy_model.c:125:13: sparse: expected struct em_perf_table *tmp
kernel/power/energy_model.c:125:13: sparse: got struct em_perf_table [noderef] __rcu *runtime_table
vim +125 kernel/power/energy_model.c
118
119 static void em_perf_runtime_table_set(struct device *dev,
120 struct em_perf_table *runtime_table)
121 {
122 struct em_perf_domain *pd = dev->em_pd;
123 struct em_perf_table *tmp;
124
> 125 tmp = pd->runtime_table;
126
127 rcu_assign_pointer(pd->runtime_table, runtime_table);
128
129 em_cpufreq_update_efficiencies(dev, runtime_table->state);
130
131 /* Don't free default table since it's used by other frameworks. */
132 if (tmp != pd->default_table)
133 call_rcu(&tmp->rcu, em_destroy_rt_table_rcu);
134 }
135
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2023-09-26 10:28 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-25 8:11 [PATCH v4 00/18] Introduce runtime modifiable Energy Model Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 01/18] PM: EM: Add missing newline for the message log Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 02/18] PM: EM: Refactor em_cpufreq_update_efficiencies() arguments Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 03/18] PM: EM: Find first CPU online while updating OPP efficiency Lukasz Luba
2023-09-26 18:32 ` Rafael J. Wysocki
2023-09-29 8:32 ` Lukasz Luba
2023-10-23 17:06 ` Daniel Lezcano
2023-10-24 7:50 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 04/18] PM: EM: Refactor em_pd_get_efficient_state() to be more flexible Lukasz Luba
2023-10-23 17:39 ` Daniel Lezcano
2023-10-24 8:09 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 05/18] PM: EM: Refactor a new function em_compute_costs() Lukasz Luba
2023-09-26 18:39 ` Rafael J. Wysocki
2023-09-29 8:38 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 06/18] PM: EM: Check if the get_cost() callback is present in em_compute_costs() Lukasz Luba
2023-09-26 18:46 ` Rafael J. Wysocki
2023-09-29 8:42 ` Lukasz Luba
2023-10-23 18:23 ` Daniel Lezcano
2023-10-24 8:14 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 07/18] PM: EM: Refactor struct em_perf_domain and add default_table Lukasz Luba
2023-09-26 18:52 ` Rafael J. Wysocki
2023-09-29 8:45 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 08/18] PM: EM: Add update_power() callback for runtime modifications Lukasz Luba
2023-09-26 18:59 ` Rafael J. Wysocki
2023-09-29 9:00 ` Lukasz Luba
2023-09-29 12:18 ` Rafael J. Wysocki
2023-09-25 8:11 ` [PATCH v4 09/18] PM: EM: Introduce runtime modifiable table Lukasz Luba
2023-09-26 19:12 ` Rafael J. Wysocki
2023-09-29 9:16 ` Lukasz Luba
2023-09-29 12:27 ` Rafael J. Wysocki
2023-10-06 8:03 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 10/18] PM: EM: Add RCU mechanism which safely cleans the old data Lukasz Luba
2023-09-26 10:28 ` kernel test robot [this message]
2023-09-26 19:26 ` Rafael J. Wysocki
2023-09-29 9:36 ` Lukasz Luba
2023-09-29 12:59 ` Rafael J. Wysocki
2023-10-02 13:44 ` Lukasz Luba
2023-10-06 8:46 ` Lukasz Luba
2023-10-11 16:02 ` Wei Wang
2023-10-11 16:07 ` Rafael J. Wysocki
2023-10-12 13:16 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 11/18] PM: EM: Add runtime update interface to modify EM power Lukasz Luba
2023-09-26 17:21 ` kernel test robot
2023-09-26 19:48 ` Rafael J. Wysocki
2023-09-29 10:00 ` Lukasz Luba
2023-09-29 13:18 ` Rafael J. Wysocki
2023-10-02 14:09 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 12/18] PM: EM: Use runtime modified EM for CPUs energy estimation in EAS Lukasz Luba
2023-09-26 19:54 ` Rafael J. Wysocki
2023-09-29 10:10 ` Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 13/18] Documentation: EM: Update with runtime modification design Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 14/18] PM: EM: Add performance field to struct em_perf_state Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 15/18] PM: EM: Adjust performance with runtime modification callback Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 16/18] PM: EM: Support late CPUs booting and capacity adjustment Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 17/18] PM: EM: Optimize em_cpu_energy() and remove division Lukasz Luba
2023-09-25 8:11 ` [PATCH v4 18/18] Documentation: EM: Update information about performance field Lukasz Luba
2023-09-28 21:56 ` [PATCH v4 00/18] Introduce runtime modifiable Energy Model Qais Yousef
2023-10-03 8:06 ` Lukasz Luba
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