* Re: [PATCH v4 3/4] drivers: firmware: add riscv SSE support
[not found] <20250516152355.560448-4-cleger@rivosinc.com>
@ 2025-05-17 8:45 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-17 8:45 UTC (permalink / raw)
To: Clément Léger; +Cc: llvm, oe-kbuild-all
Hi Clément,
kernel test robot noticed the following build warnings:
[auto build test WARNING on soc/for-next]
[also build test WARNING on linus/master v6.15-rc6]
[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/Cl-ment-L-ger/riscv-add-SBI-SSE-extension-definitions/20250516-232636
base: https://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git for-next
patch link: https://lore.kernel.org/r/20250516152355.560448-4-cleger%40rivosinc.com
patch subject: [PATCH v4 3/4] drivers: firmware: add riscv SSE support
config: riscv-randconfig-002-20250517 (https://download.01.org/0day-ci/archive/20250517/202505171615.CDDgY2HV-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250517/202505171615.CDDgY2HV-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/202505171615.CDDgY2HV-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/firmware/riscv/riscv_sse.c:395:31: warning: variable 'reg_evt' set but not used [-Wunused-but-set-variable]
395 | struct sse_registered_event *reg_evt;
| ^
1 warning generated.
vim +/reg_evt +395 drivers/firmware/riscv/riscv_sse.c
390
391 int sse_event_enable(struct sse_event *event)
392 {
393 int ret = 0, cpu;
394 struct sse_per_cpu_evt cpu_evt;
> 395 struct sse_registered_event *reg_evt;
396
397 scoped_guard(mutex, &sse_mutex) {
398 cpus_read_lock();
399 if (sse_event_is_global(event->evt_id)) {
400 reg_evt = event->global;
401 ret = sse_event_enable_local(event);
402 } else {
403 cpu_evt.event = event;
404 atomic_set(&cpu_evt.error, 0);
405 cpu_evt.func = SBI_SSE_EVENT_ENABLE;
406 on_each_cpu(sse_event_per_cpu_func, &cpu_evt, 1);
407 ret = atomic_read(&cpu_evt.error);
408 if (ret) {
409 cpu_evt.func = SBI_SSE_EVENT_DISABLE;
410 on_each_cpu(sse_event_per_cpu_func, &cpu_evt, 1);
411 } else {
412 for_each_online_cpu(cpu) {
413
414 }
415 }
416 }
417 cpus_read_unlock();
418 }
419
420 return ret;
421 }
422
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] only message in thread