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X-CSE-ConnectionGUID: 1KCHv48rSi6evFyEJlB+GA== X-CSE-MsgGUID: igTFqAzTSACgP5PY9ugk/A== X-IronPort-AV: E=McAfee;i="6800,10657,11787"; a="90177039" X-IronPort-AV: E=Sophos;i="6.23,238,1770624000"; d="scan'208";a="90177039" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2026 05:08:38 -0700 X-CSE-ConnectionGUID: BrDLOovxSAiJ/MRTcFdgEg== X-CSE-MsgGUID: YRMiEJj8TaW4zyJ3o2lPzQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,238,1770624000"; d="scan'208";a="239064559" Received: from lkp-server01.sh.intel.com (HELO d94e5e629b2d) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 16 May 2026 05:08:37 -0700 Received: from kbuild by d94e5e629b2d with local (Exim 4.98.2) (envelope-from ) id 1wODon-000000000no-46Y8; Sat, 16 May 2026 12:08:33 +0000 Date: Sat, 16 May 2026 20:08:30 +0800 From: kernel test robot To: Martin KaFai Lau Cc: oe-kbuild-all@lists.linux.dev, Martin KaFai Lau Subject: [martin-lau-bpf-next:cgrp.struct_ops.v8 9/12] kernel/bpf/cgroup.c:31:6: warning: conflicting types for 'bpf_cgroup_struct_ops_register' due to enum/integer mismatch; have 'void(enum cgroup_bpf_attach_type, u32, void *, bool)' {aka 'void(enum cgroup_bpf_attach_type, unsigned int, void *, _Bool)'} Message-ID: <202605162022.KKnVwAAL-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/martin.lau/bpf-next.git cgrp.struct_ops.v8 head: 1ae5eccb04d5d8c62c310b206b5e5dc4ff1d9c71 commit: 32e27daf9a1563276f88eb17d076f61f8cc8b502 [9/12] bpf: Add infrastructure to support attaching struct_ops to cgroups config: sh-allyesconfig (https://download.01.org/0day-ci/archive/20260516/202605162022.KKnVwAAL-lkp@intel.com/config) compiler: sh4-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260516/202605162022.KKnVwAAL-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202605162022.KKnVwAAL-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/bpf/cgroup.c:31:6: warning: conflicting types for 'bpf_cgroup_struct_ops_register' due to enum/integer mismatch; have 'void(enum cgroup_bpf_attach_type, u32, void *, bool)' {aka 'void(enum cgroup_bpf_attach_type, unsigned int, void *, _Bool)'} [-Wenum-int-mismatch] 31 | void bpf_cgroup_struct_ops_register(enum cgroup_bpf_attach_type atype, u32 type_id, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from kernel/bpf/cgroup.c:16: include/linux/bpf-cgroup.h:115:6: note: previous declaration of 'bpf_cgroup_struct_ops_register' with type 'void(int, u32, void *, bool)' {aka 'void(int, unsigned int, void *, _Bool)'} 115 | void bpf_cgroup_struct_ops_register(int atype, u32 type_id, void *cfi_stubs, bool tasks_trace); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +31 kernel/bpf/cgroup.c 30 > 31 void bpf_cgroup_struct_ops_register(enum cgroup_bpf_attach_type atype, u32 type_id, 32 void *cfi_stubs, bool mult_rcu) 33 { 34 struct_ops_type_id[atype] = type_id; 35 struct_ops_cfi_stubs[atype] = cfi_stubs; 36 struct_ops_mult_rcu[atype] = mult_rcu; 37 } 38 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki