* Re: [PATCH 1/1] alloc_tag: skip rcu barrier on module unload if profiling was not enabled
[not found] <20251204220957.360838-1-surenb@google.com>
@ 2025-12-06 4:45 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-12-06 4:45 UTC (permalink / raw)
To: Suren Baghdasaryan, akpm
Cc: llvm, oe-kbuild-all, kent.overstreet, vbabka, harry.yoo, da.gomez,
jonathanh, linux-kernel, linux-mm, Suren Baghdasaryan
Hi Suren,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 3f43be96f919cc611dcb2a4e38dd464831f4513e]
url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/alloc_tag-skip-rcu-barrier-on-module-unload-if-profiling-was-not-enabled/20251205-061310
base: 3f43be96f919cc611dcb2a4e38dd464831f4513e
patch link: https://lore.kernel.org/r/20251204220957.360838-1-surenb%40google.com
patch subject: [PATCH 1/1] alloc_tag: skip rcu barrier on module unload if profiling was not enabled
config: riscv-randconfig-001-20251206 (https://download.01.org/0day-ci/archive/20251206/202512061204.aGmmZds2-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 14bf95b06a18b9b59c89601cbc0e5a6f2176b118)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512061204.aGmmZds2-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/202512061204.aGmmZds2-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> lib/codetag.c:37:13: warning: unused variable 'flush_rcu_on_module_unload' [-Wunused-variable]
37 | static bool flush_rcu_on_module_unload;
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
vim +/flush_rcu_on_module_unload +37 lib/codetag.c
34
35 static DEFINE_MUTEX(codetag_lock);
36 static LIST_HEAD(codetag_types);
> 37 static bool flush_rcu_on_module_unload;
38
--
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