Re: [PATCH V8 2/6] perf: attach/detach PMU specific data

[kernel test robot <lkp@intel.com>]

Hi,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/perf/core]
[also build test ERROR on next-20250312]
[cannot apply to perf-tools-next/perf-tools-next perf-tools/perf-tools linus/master acme/perf/core v6.14-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/kan-liang-linux-intel-com/perf-attach-detach-PMU-specific-data/20250313-022851
base:   tip/perf/core
patch link:    https://lore.kernel.org/r/20250312182525.4078433-2-kan.liang%40linux.intel.com
patch subject: [PATCH V8 2/6] perf: attach/detach PMU specific data
config: csky-randconfig-002-20250313 (https://download.01.org/0day-ci/archive/20250313/202503130756.2j1ZuGT4-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250313/202503130756.2j1ZuGT4-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/202503130756.2j1ZuGT4-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/events/core.c: In function '__free_event':
>> kernel/events/core.c:5604:18: error: 'struct perf_event' has no member named 'security'
    5604 |         if (event->security)
         |                  ^~


vim +5604 kernel/events/core.c

  5600	
  5601	/* vs perf_event_alloc() error */
  5602	static void __free_event(struct perf_event *event)
  5603	{
> 5604		if (event->security)
  5605			security_perf_event_free(event);
  5606	
  5607		if (event->attach_state & PERF_ATTACH_CALLCHAIN)
  5608			put_callchain_buffers();
  5609	
  5610		kfree(event->addr_filter_ranges);
  5611	
  5612		if (event->attach_state & PERF_ATTACH_EXCLUSIVE)
  5613			exclusive_event_destroy(event);
  5614	
  5615		if (is_cgroup_event(event))
  5616			perf_detach_cgroup(event);
  5617	
  5618		if (event->destroy)
  5619			event->destroy(event);
  5620	
  5621		/*
  5622		 * Must be after ->destroy(), due to uprobe_perf_close() using
  5623		 * hw.target.
  5624		 */
  5625		if (event->hw.target)
  5626			put_task_struct(event->hw.target);
  5627	
  5628		if (event->pmu_ctx) {
  5629			/*
  5630			 * put_pmu_ctx() needs an event->ctx reference, because of
  5631			 * epc->ctx.
  5632			 */
  5633			WARN_ON_ONCE(!event->ctx);
  5634			WARN_ON_ONCE(event->pmu_ctx->ctx != event->ctx);
  5635			put_pmu_ctx(event->pmu_ctx);
  5636		}
  5637	
  5638		/*
  5639		 * perf_event_free_task() relies on put_ctx() being 'last', in
  5640		 * particular all task references must be cleaned up.
  5641		 */
  5642		if (event->ctx)
  5643			put_ctx(event->ctx);
  5644	
  5645		if (event->pmu)
  5646			module_put(event->pmu->module);
  5647	
  5648		call_rcu(&event->rcu_head, free_event_rcu);
  5649	}
  5650	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki