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X-IronPort-AV: E=McAfee;i="6500,9779,10620"; a="314794822" X-IronPort-AV: E=Sophos;i="5.97,296,1669104000"; d="scan'208";a="314794822" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Feb 2023 04:47:10 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10620"; a="671210454" X-IronPort-AV: E=Sophos;i="5.97,296,1669104000"; d="scan'208";a="671210454" Received: from lkp-server01.sh.intel.com (HELO 4455601a8d94) ([10.239.97.150]) by fmsmga007.fm.intel.com with ESMTP; 14 Feb 2023 04:47:08 -0800 Received: from kbuild by 4455601a8d94 with local (Exim 4.96) (envelope-from ) id 1pRuiB-0008VJ-36; Tue, 14 Feb 2023 12:47:07 +0000 Date: Tue, 14 Feb 2023 20:46:21 +0800 From: kernel test robot To: Ammar Faizi , GNU/Weeb Mailing List Cc: oe-kbuild-all@lists.linux.dev Subject: [ammarfaizi2-block:google/android/kernel/common/android14-5.15 9/11] arch/arm64/kvm/hyp_events.c:204:6: warning: no previous prototype for function 'kvm_hyp_events_enable_early' Message-ID: <202302142007.gWTNqVkp-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline List-Id: tree: https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android14-5.15 head: 27e5fbdd8569f72e6fc38ffd7f3b6b4992099026 commit: 8f1f4a1b65a4aa9b4ab2c37052d08d59404a06db [9/11] ANDROID: KVM: arm64: add support for early enablement nVHE hyp events config: arm64-randconfig-r032-20230213 (https://download.01.org/0day-ci/archive/20230214/202302142007.gWTNqVkp-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project db89896bbbd2251fff457699635acbbedeead27f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/ammarfaizi2/linux-block/commit/8f1f4a1b65a4aa9b4ab2c37052d08d59404a06db git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android14-5.15 git checkout 8f1f4a1b65a4aa9b4ab2c37052d08d59404a06db # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kvm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202302142007.gWTNqVkp-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/arm64/kvm/hyp_events.c:37: arch/arm64/include/asm/kvm_hypevents.h:14:1: warning: no previous prototype for function 'hyp_event_trace_hyp_enter' [-Wmissing-prototypes] HYP_EVENT(hyp_enter, ^ arch/arm64/kvm/hyp_events.c:25:20: note: expanded from macro 'HYP_EVENT' enum print_line_t hyp_event_trace_##__name(struct trace_iterator *iter, \ ^ :80:1: note: expanded from here hyp_event_trace_hyp_enter ^ arch/arm64/include/asm/kvm_hypevents.h:14:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/kvm/hyp_events.c:25:2: note: expanded from macro 'HYP_EVENT' enum print_line_t hyp_event_trace_##__name(struct trace_iterator *iter, \ ^ In file included from arch/arm64/kvm/hyp_events.c:37: arch/arm64/include/asm/kvm_hypevents.h:23:1: warning: no previous prototype for function 'hyp_event_trace_hyp_exit' [-Wmissing-prototypes] HYP_EVENT(hyp_exit, ^ arch/arm64/kvm/hyp_events.c:25:20: note: expanded from macro 'HYP_EVENT' enum print_line_t hyp_event_trace_##__name(struct trace_iterator *iter, \ ^ :85:1: note: expanded from here hyp_event_trace_hyp_exit ^ arch/arm64/include/asm/kvm_hypevents.h:23:1: note: declare 'static' if the function is not intended to be used outside of this translation unit arch/arm64/kvm/hyp_events.c:25:2: note: expanded from macro 'HYP_EVENT' enum print_line_t hyp_event_trace_##__name(struct trace_iterator *iter, \ ^ >> arch/arm64/kvm/hyp_events.c:204:6: warning: no previous prototype for function 'kvm_hyp_events_enable_early' [-Wmissing-prototypes] bool kvm_hyp_events_enable_early(void) ^ arch/arm64/kvm/hyp_events.c:204:1: note: declare 'static' if the function is not intended to be used outside of this translation unit bool kvm_hyp_events_enable_early(void) ^ static arch/arm64/kvm/hyp_events.c:239:6: warning: no previous prototype for function 'kvm_hyp_init_events_tracefs' [-Wmissing-prototypes] void kvm_hyp_init_events_tracefs(struct dentry *parent) ^ arch/arm64/kvm/hyp_events.c:239:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void kvm_hyp_init_events_tracefs(struct dentry *parent) ^ static arch/arm64/kvm/hyp_events.c:271:5: warning: no previous prototype for function 'kvm_hyp_init_events' [-Wmissing-prototypes] int kvm_hyp_init_events(void) ^ arch/arm64/kvm/hyp_events.c:271:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int kvm_hyp_init_events(void) ^ static 5 warnings generated. vim +/kvm_hyp_events_enable_early +204 arch/arm64/kvm/hyp_events.c 203 > 204 bool kvm_hyp_events_enable_early(void) 205 { 206 char *token, *buf = early_events; 207 bool enabled = false; 208 209 while (true) { 210 token = strsep(&buf, ","); 211 212 if (!token) 213 break; 214 215 if (*token) { 216 struct hyp_event *event; 217 int ret; 218 219 event = find_hyp_event(token); 220 if (event) { 221 ret = enable_hyp_event(event, true); 222 if (ret) 223 pr_warn("Couldn't enable hyp event %s:%d\n", 224 token, ret); 225 else 226 enabled = true; 227 } else { 228 pr_warn("Couldn't find hyp event %s\n", token); 229 } 230 } 231 232 if (buf) 233 *(buf - 1) = ','; 234 } 235 236 return enabled; 237 } 238 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests