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d="scan'208";a="4563765" Received: from igk-lkp-server01.igk.intel.com (HELO 58ca8a381a5c) ([10.211.93.152]) by orviesa004.jf.intel.com with ESMTP; 27 Oct 2026 06:13:07 -0700 Received: from kbuild by 58ca8a381a5c with local (Exim 4.98.2) (envelope-from ) id 1xLgzA-000000004WD-1prp; Tue, 27 Oct 2026 13:13:04 +0000 Date: Tue, 27 Oct 2026 14:13:00 +0100 From: kernel test robot To: steven@liquorix.net Cc: oe-kbuild-all@lists.linux.dev Subject: [zen:7.3/prjc 636/732] kernel/trace/rv/monitors/deadline/deadline.h:67:6: error: call to undeclared function 'dl_server'; ISO C99 and later do not support implicit function declarations Message-ID: <202610271426.RXzdSI2J-lkp@intel.com> User-Agent: s-nail v14.9.25 X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list tree: https://github.com/zen-kernel/zen-kernel 7.3/prjc head: f1ab44d828f1d74c6ec1d7a6cf32bc79cec13905 commit: 659df19f49db49a4bef8a3f327c7e71b85962a04 [636/732] sched/alt: [Sync] deadline sync-up fix config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20261027/202610271426.RXzdSI2J-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261027/202610271426.RXzdSI2J-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/202610271426.RXzdSI2J-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from kernel/trace/rv/monitors/deadline/deadline.c:10: >> kernel/trace/rv/monitors/deadline/deadline.h:67:6: error: call to undeclared function 'dl_server'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 67 | if (dl_server(dl_se) && type != DL_TASK) { | ^ >> kernel/trace/rv/monitors/deadline/deadline.h:74:9: error: call to undeclared function 'dl_task_of'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 74 | return dl_task_of(dl_se)->pid; | ^ kernel/trace/rv/monitors/deadline/deadline.h:74:9: note: did you mean 'dl_task'? include/linux/sched/deadline.h:7:19: note: 'dl_task' declared here 7 | static inline int dl_task(struct task_struct *p) | ^ In file included from kernel/trace/rv/monitors/deadline/deadline.c:10: >> kernel/trace/rv/monitors/deadline/deadline.h:74:28: error: member reference type 'int' is not a pointer 74 | return dl_task_of(dl_se)->pid; | ~~~~~~~~~~~~~~~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:80:14: error: no member named 'sched_class' in 'struct task_struct' 80 | tsk->sched_class == rv_ext_sched_class; | ~~~ ^ 4 errors generated. -- In file included from kernel/trace/rv/monitors/nomiss/nomiss.c:25: >> kernel/trace/rv/monitors/deadline/deadline.h:67:6: error: call to undeclared function 'dl_server'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 67 | if (dl_server(dl_se) && type != DL_TASK) { | ^ >> kernel/trace/rv/monitors/deadline/deadline.h:74:9: error: call to undeclared function 'dl_task_of'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 74 | return dl_task_of(dl_se)->pid; | ^ kernel/trace/rv/monitors/deadline/deadline.h:74:9: note: did you mean 'dl_task'? include/linux/sched/deadline.h:7:19: note: 'dl_task' declared here 7 | static inline int dl_task(struct task_struct *p) | ^ In file included from kernel/trace/rv/monitors/nomiss/nomiss.c:25: >> kernel/trace/rv/monitors/deadline/deadline.h:74:28: error: member reference type 'int' is not a pointer 74 | return dl_task_of(dl_se)->pid; | ~~~~~~~~~~~~~~~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:80:14: error: no member named 'sched_class' in 'struct task_struct' 80 | tsk->sched_class == rv_ext_sched_class; | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:142:11: error: no member named 'dl_server' in 'struct task_struct' 142 | if (tsk->dl_server && get_server_type(tsk) == type) | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:143:15: error: no member named 'dl_server' in 'struct task_struct' 143 | return tsk->dl_server; | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:176:27: error: no member named 'dl' in 'struct task_struct' 176 | if (!da_create_storage(EXPAND_ID_TASK(p), NULL)) { | ^ ~ kernel/trace/rv/monitors/deadline/deadline.h:85:49: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:176:27: error: no member named 'dl' in 'struct task_struct' 176 | if (!da_create_storage(EXPAND_ID_TASK(p), NULL)) { | ^ ~ kernel/trace/rv/monitors/deadline/deadline.h:85:84: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:194:21: error: no member named 'dl' in 'struct task_struct' 194 | da_create_storage(EXPAND_ID_TASK(task), NULL); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:49: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:194:21: error: no member named 'dl' in 'struct task_struct' 194 | da_create_storage(EXPAND_ID_TASK(task), NULL); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:84: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/deadline/deadline.h:200:40: error: no member named 'dl' in 'struct task_struct' 200 | da_destroy_storage(get_entity_id(&p->dl, DL_TASK, DL_TASK)); | ~ ^ >> kernel/trace/rv/monitors/nomiss/nomiss.c:43:11: error: call to undeclared function 'dl_is_implicit'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 43 | return !dl_is_implicit(ha_get_target(ha_mon)); | ^ kernel/trace/rv/monitors/nomiss/nomiss.c:165:19: error: no member named 'dl' in 'struct task_struct' 165 | da_handle_event(EXPAND_ID_TASK(prev), sched_switch_suspend_nomiss); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:49: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:165:19: error: no member named 'dl' in 'struct task_struct' 165 | da_handle_event(EXPAND_ID_TASK(prev), sched_switch_suspend_nomiss); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:84: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:167:29: error: no member named 'dl' in 'struct task_struct' 167 | da_handle_start_run_event(EXPAND_ID_TASK(next), sched_switch_in_nomiss); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:49: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:167:29: error: no member named 'dl' in 'struct task_struct' 167 | da_handle_start_run_event(EXPAND_ID_TASK(next), sched_switch_in_nomiss); | ^ ~~~~ kernel/trace/rv/monitors/deadline/deadline.h:85:84: note: expanded from macro 'EXPAND_ID_TASK' 85 | #define EXPAND_ID_TASK(tsk) get_entity_id(&tsk->dl, task_cpu(tsk), DL_TASK), &tsk->dl | ~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:175:12: error: no member named 'dl_server' in 'struct task_struct' 175 | if (next->dl_server) | ~~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:176:41: error: no member named 'dl_server' in 'struct task_struct' 176 | da_handle_start_event(EXPAND_ID(next->dl_server, cpu, | ~~~~ ^ kernel/trace/rv/monitors/nomiss/nomiss.c:176:41: error: no member named 'dl_server' in 'struct task_struct' 176 | da_handle_start_event(EXPAND_ID(next->dl_server, cpu, | ~~~~ ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. vim +/dl_server +67 kernel/trace/rv/monitors/deadline/deadline.h b133207deb7260 Gabriele Monaco 2026-03-30 48 b133207deb7260 Gabriele Monaco 2026-03-30 49 /* b133207deb7260 Gabriele Monaco 2026-03-30 50 * Use negative numbers for the server. b133207deb7260 Gabriele Monaco 2026-03-30 51 * Currently only one fair server per CPU, may change in the future. b133207deb7260 Gabriele Monaco 2026-03-30 52 */ b133207deb7260 Gabriele Monaco 2026-03-30 53 #define fair_server_id(cpu) (-cpu) b133207deb7260 Gabriele Monaco 2026-03-30 54 #define ext_server_id(cpu) (-cpu - num_possible_cpus()) b133207deb7260 Gabriele Monaco 2026-03-30 55 #define NO_SERVER_ID (-2 * num_possible_cpus()) b133207deb7260 Gabriele Monaco 2026-03-30 56 /* b133207deb7260 Gabriele Monaco 2026-03-30 57 * Get a unique id used for dl entities b133207deb7260 Gabriele Monaco 2026-03-30 58 * b133207deb7260 Gabriele Monaco 2026-03-30 59 * The cpu is not required for tasks as the pid is used there, if this function b133207deb7260 Gabriele Monaco 2026-03-30 60 * is called on a dl_se that for sure corresponds to a task, DL_TASK can be b133207deb7260 Gabriele Monaco 2026-03-30 61 * used in place of cpu. b133207deb7260 Gabriele Monaco 2026-03-30 62 * We need the cpu for servers as it is provided in the tracepoint and we b133207deb7260 Gabriele Monaco 2026-03-30 63 * cannot easily retrieve it from the dl_se (requires the struct rq definition). b133207deb7260 Gabriele Monaco 2026-03-30 64 */ b133207deb7260 Gabriele Monaco 2026-03-30 65 static inline int get_entity_id(struct sched_dl_entity *dl_se, int cpu, u8 type) b133207deb7260 Gabriele Monaco 2026-03-30 66 { b133207deb7260 Gabriele Monaco 2026-03-30 @67 if (dl_server(dl_se) && type != DL_TASK) { b133207deb7260 Gabriele Monaco 2026-03-30 68 if (type == DL_SERVER_FAIR) b133207deb7260 Gabriele Monaco 2026-03-30 69 return fair_server_id(cpu); b133207deb7260 Gabriele Monaco 2026-03-30 70 if (type == DL_SERVER_EXT) b133207deb7260 Gabriele Monaco 2026-03-30 71 return ext_server_id(cpu); b133207deb7260 Gabriele Monaco 2026-03-30 72 return NO_SERVER_ID; b133207deb7260 Gabriele Monaco 2026-03-30 73 } b133207deb7260 Gabriele Monaco 2026-03-30 @74 return dl_task_of(dl_se)->pid; b133207deb7260 Gabriele Monaco 2026-03-30 75 } b133207deb7260 Gabriele Monaco 2026-03-30 76 :::::: The code at line 67 was first introduced by commit :::::: b133207deb72609ad4da40c4d50128a5e150677b rv: Add nomiss deadline monitor :::::: TO: Gabriele Monaco :::::: CC: Gabriele Monaco -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki