From: kernel test robot <lkp@intel.com>
To: Tony Luck <tony.luck@intel.com>, Fenghua Yu <fenghuay@nvidia.com>,
Reinette Chatre <reinette.chatre@intel.com>,
Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>,
Peter Newman <peternewman@google.com>,
James Morse <james.morse@arm.com>,
Babu Moger <babu.moger@amd.com>,
Drew Fustini <dfustini@baylibre.com>,
Dave Martin <Dave.Martin@arm.com>, Chen Yu <yu.c.chen@intel.com>
Cc: oe-kbuild-all@lists.linux.dev, Borislav Petkov <bp@alien8.de>,
x86@kernel.org, linux-kernel@vger.kernel.org,
patches@lists.linux.dev, Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH] fs/resctrl: Free mon_data structures on rdt_get_tree() failure
Date: Sat, 9 May 2026 19:21:43 +0200 [thread overview]
Message-ID: <202605091918.1k5t3HFX-lkp@intel.com> (raw)
In-Reply-To: <20260507201730.16509-1-tony.luck@intel.com>
Hi Tony,
kernel test robot noticed the following build warnings:
[auto build test WARNING on v7.1-rc2]
[also build test WARNING on linus/master next-20260508]
[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/Tony-Luck/fs-resctrl-Free-mon_data-structures-on-rdt_get_tree-failure/20260509-184342
base: v7.1-rc2
patch link: https://lore.kernel.org/r/20260507201730.16509-1-tony.luck%40intel.com
patch subject: [PATCH] fs/resctrl: Free mon_data structures on rdt_get_tree() failure
config: x86_64-rhel-9.4-ltp (https://download.01.org/0day-ci/archive/20260509/202605091918.1k5t3HFX-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260509/202605091918.1k5t3HFX-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/202605091918.1k5t3HFX-lkp@intel.com/
All warnings (new ones prefixed by >>):
fs/resctrl/rdtgroup.c: In function 'rdt_get_tree':
fs/resctrl/rdtgroup.c:2883:17: error: implicit declaration of function 'mon_put_kn_priv' [-Wimplicit-function-declaration]
2883 | mon_put_kn_priv();
| ^~~~~~~~~~~~~~~
fs/resctrl/rdtgroup.c: At top level:
>> fs/resctrl/rdtgroup.c:3144:13: warning: conflicting types for 'mon_put_kn_priv'; have 'void(void)'
3144 | static void mon_put_kn_priv(void)
| ^~~~~~~~~~~~~~~
fs/resctrl/rdtgroup.c:3144:13: error: static declaration of 'mon_put_kn_priv' follows non-static declaration
fs/resctrl/rdtgroup.c:2883:17: note: previous implicit declaration of 'mon_put_kn_priv' with type 'void(void)'
2883 | mon_put_kn_priv();
| ^~~~~~~~~~~~~~~
vim +3144 fs/resctrl/rdtgroup.c
7168ae330e8105 James Morse 2025-05-15 3138
7168ae330e8105 James Morse 2025-05-15 3139 /**
7168ae330e8105 James Morse 2025-05-15 3140 * mon_put_kn_priv() - Free all allocated mon_data structures.
7168ae330e8105 James Morse 2025-05-15 3141 *
7168ae330e8105 James Morse 2025-05-15 3142 * Called when resctrl file system is unmounted.
7168ae330e8105 James Morse 2025-05-15 3143 */
7168ae330e8105 James Morse 2025-05-15 @3144 static void mon_put_kn_priv(void)
7168ae330e8105 James Morse 2025-05-15 3145 {
7168ae330e8105 James Morse 2025-05-15 3146 struct mon_data *priv, *tmp;
7168ae330e8105 James Morse 2025-05-15 3147
7168ae330e8105 James Morse 2025-05-15 3148 lockdep_assert_held(&rdtgroup_mutex);
7168ae330e8105 James Morse 2025-05-15 3149
7168ae330e8105 James Morse 2025-05-15 3150 list_for_each_entry_safe(priv, tmp, &mon_data_kn_priv_list, list) {
7168ae330e8105 James Morse 2025-05-15 3151 list_del(&priv->list);
7168ae330e8105 James Morse 2025-05-15 3152 kfree(priv);
7168ae330e8105 James Morse 2025-05-15 3153 }
7168ae330e8105 James Morse 2025-05-15 3154 }
7168ae330e8105 James Morse 2025-05-15 3155
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-05-09 17:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-07 20:17 [PATCH] fs/resctrl: Free mon_data structures on rdt_get_tree() failure Tony Luck
2026-05-07 20:21 ` Luck, Tony
2026-05-07 20:43 ` Reinette Chatre
2026-05-09 17:21 ` kernel test robot [this message]
2026-05-09 18:18 ` kernel test robot
2026-05-09 18:53 ` kernel test robot
2026-05-09 20:25 ` kernel test robot
2026-05-10 4:27 ` kernel test robot
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