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X-CSE-ConnectionGUID: DfbIfg+mTgKNvhuml7hrkQ== X-CSE-MsgGUID: mI/616EZQ6idRNYFywCZnw== X-IronPort-AV: E=McAfee;i="6800,10657,11787"; a="67392737" X-IronPort-AV: E=Sophos;i="6.23,238,1770624000"; d="scan'208";a="67392737" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 May 2026 03:36:29 -0700 X-CSE-ConnectionGUID: PAnCVBXkRmioCKSrSy8MbQ== X-CSE-MsgGUID: K/CSE7xuQ1KmxuHgMFlxRA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,238,1770624000"; d="scan'208";a="243910473" Received: from igk-lkp-server01.igk.intel.com (HELO bdf09bfdbd5f) ([10.211.93.152]) by fmviesa005.fm.intel.com with ESMTP; 16 May 2026 03:36:28 -0700 Received: from kbuild by bdf09bfdbd5f with local (Exim 4.98.2) (envelope-from ) id 1wOCNd-000000009JB-20HJ; Sat, 16 May 2026 10:36:25 +0000 Date: Sat, 16 May 2026 12:36:00 +0200 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: <202605161233.DhfFJe3u-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: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260516/202605161233.DhfFJe3u-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/20260516/202605161233.DhfFJe3u-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/202605161233.DhfFJe3u-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