From: kernel test robot <lkp@intel.com> To: Valentin Schneider <valentin.schneider@arm.com>, linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@kernel.org>, Frederic Weisbecker <frederic@kernel.org> Subject: Re: [PATCH] sched: Tweak default dynamic preempt mode selection Date: Sat, 6 Nov 2021 13:05:24 +0800 [thread overview] Message-ID: <202111061341.QdauxAuH-lkp@intel.com> (raw) In-Reply-To: <20211105104035.3112162-1-valentin.schneider@arm.com> [-- Attachment #1: Type: text/plain, Size: 17949 bytes --] Hi Valentin, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/master] [also build test ERROR on linus/master next-20211105] [cannot apply to linux/master v5.15] [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] url: https://github.com/0day-ci/linux/commits/Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ea79c24a30aa27ccc4aac26be33f8b73f3f1f59c config: x86_64-buildonly-randconfig-r004-20211105 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 847a6807332b13f43704327c2d30103ec0347c77) 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 # https://github.com/0day-ci/linux/commit/4731291127aa2100c984229a91533b671044a74b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135 git checkout 4731291127aa2100c984229a91533b671044a74b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> All errors (new ones prefixed by >>): kernel/sched/core.c:3439:6: error: no previous prototype for function 'sched_set_stop_task' [-Werror,-Wmissing-prototypes] void sched_set_stop_task(int cpu, struct task_struct *stop) ^ kernel/sched/core.c:3439:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void sched_set_stop_task(int cpu, struct task_struct *stop) ^ static >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT__preempt_schedule' static_call_update(preempt_schedule, __preempt_schedule_func); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:252:1: note: expanded from here __SCT__preempt_schedule ^ >> kernel/sched/core.c:6576:39: error: use of undeclared identifier '__preempt_schedule_func'; did you mean 'preempt_schedule_irq'? static_call_update(preempt_schedule, __preempt_schedule_func); ^~~~~~~~~~~~~~~~~~~~~~~ preempt_schedule_irq include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/sched.h:291:17: note: 'preempt_schedule_irq' declared here asmlinkage void preempt_schedule_irq(void); ^ >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCK__preempt_schedule' static_call_update(preempt_schedule, __preempt_schedule_func); ^ include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:253:1: note: expanded from here __SCK__preempt_schedule ^ >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT__preempt_schedule' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:254:1: note: expanded from here __SCT__preempt_schedule ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:255:1: note: expanded from here __SCT__preempt_schedule_notrace ^ >> kernel/sched/core.c:6577:47: error: use of undeclared identifier '__preempt_schedule_notrace_func' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCK__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:256:1: note: expanded from here __SCK__preempt_schedule_notrace ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:257:1: note: expanded from here __SCT__preempt_schedule_notrace ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCT__preempt_schedule' static_call_update(preempt_schedule, NULL); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:11:1: note: expanded from here __SCT__preempt_schedule ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCK__preempt_schedule' include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:12:1: note: expanded from here __SCK__preempt_schedule ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCT__preempt_schedule' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:13:1: note: expanded from here __SCT__preempt_schedule ^ kernel/sched/core.c:6585:3: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, NULL); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:14:1: note: expanded from here __SCT__preempt_schedule_notrace ^ kernel/sched/core.c:6585:3: error: use of undeclared identifier '__SCK__preempt_schedule_notrace' include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' vim +/__SCT__preempt_schedule +6576 kernel/sched/core.c e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6567 1011dcce99f802 Peter Zijlstra 2021-03-25 6568 void sched_dynamic_update(int mode) 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6569) { e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6570 /* e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6571 * Avoid {NONE,VOLUNTARY} -> FULL transitions from ever ending up in e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6572 * the ZERO state, which is invalid. e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6573 */ e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6574 static_call_update(cond_resched, __cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6575 static_call_update(might_resched, __cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 @6576 static_call_update(preempt_schedule, __preempt_schedule_func); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 @6577 static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6578 static_call_update(irqentry_exit_cond_resched, irqentry_exit_cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6579 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6580 switch (mode) { e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6581 case preempt_dynamic_none: 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6582) static_call_update(cond_resched, __cond_resched); 9432bbd969c667 Peter Zijlstra 2021-03-23 6583 static_call_update(might_resched, (void *)&__static_call_return0); 9432bbd969c667 Peter Zijlstra 2021-03-23 6584 static_call_update(preempt_schedule, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6585 static_call_update(preempt_schedule_notrace, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6586 static_call_update(irqentry_exit_cond_resched, NULL); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6587 pr_info("Dynamic Preempt: none\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6588 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6589 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6590 case preempt_dynamic_voluntary: 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6591) static_call_update(cond_resched, __cond_resched); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6592) static_call_update(might_resched, __cond_resched); 9432bbd969c667 Peter Zijlstra 2021-03-23 6593 static_call_update(preempt_schedule, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6594 static_call_update(preempt_schedule_notrace, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6595 static_call_update(irqentry_exit_cond_resched, NULL); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6596 pr_info("Dynamic Preempt: voluntary\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6597 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6598 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6599 case preempt_dynamic_full: 9432bbd969c667 Peter Zijlstra 2021-03-23 6600 static_call_update(cond_resched, (void *)&__static_call_return0); 9432bbd969c667 Peter Zijlstra 2021-03-23 6601 static_call_update(might_resched, (void *)&__static_call_return0); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6602) static_call_update(preempt_schedule, __preempt_schedule_func); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6603) static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6604) static_call_update(irqentry_exit_cond_resched, irqentry_exit_cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6605 pr_info("Dynamic Preempt: full\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6606 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6607 } e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6608 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6609 preempt_dynamic_mode = mode; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6610 } e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6611 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org [-- Attachment #2: .config.gz --] [-- Type: application/gzip, Size: 32514 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com> To: kbuild-all@lists.01.org Subject: Re: [PATCH] sched: Tweak default dynamic preempt mode selection Date: Sat, 06 Nov 2021 13:05:24 +0800 [thread overview] Message-ID: <202111061341.QdauxAuH-lkp@intel.com> (raw) In-Reply-To: <20211105104035.3112162-1-valentin.schneider@arm.com> [-- Attachment #1: Type: text/plain, Size: 18247 bytes --] Hi Valentin, Thank you for the patch! Yet something to improve: [auto build test ERROR on tip/master] [also build test ERROR on linus/master next-20211105] [cannot apply to linux/master v5.15] [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] url: https://github.com/0day-ci/linux/commits/Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git ea79c24a30aa27ccc4aac26be33f8b73f3f1f59c config: x86_64-buildonly-randconfig-r004-20211105 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 847a6807332b13f43704327c2d30103ec0347c77) 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 # https://github.com/0day-ci/linux/commit/4731291127aa2100c984229a91533b671044a74b git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Valentin-Schneider/sched-Tweak-default-dynamic-preempt-mode-selection/20211105-184135 git checkout 4731291127aa2100c984229a91533b671044a74b # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> All errors (new ones prefixed by >>): kernel/sched/core.c:3439:6: error: no previous prototype for function 'sched_set_stop_task' [-Werror,-Wmissing-prototypes] void sched_set_stop_task(int cpu, struct task_struct *stop) ^ kernel/sched/core.c:3439:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void sched_set_stop_task(int cpu, struct task_struct *stop) ^ static >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT__preempt_schedule' static_call_update(preempt_schedule, __preempt_schedule_func); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:252:1: note: expanded from here __SCT__preempt_schedule ^ >> kernel/sched/core.c:6576:39: error: use of undeclared identifier '__preempt_schedule_func'; did you mean 'preempt_schedule_irq'? static_call_update(preempt_schedule, __preempt_schedule_func); ^~~~~~~~~~~~~~~~~~~~~~~ preempt_schedule_irq include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/sched.h:291:17: note: 'preempt_schedule_irq' declared here asmlinkage void preempt_schedule_irq(void); ^ >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCK__preempt_schedule' static_call_update(preempt_schedule, __preempt_schedule_func); ^ include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:253:1: note: expanded from here __SCK__preempt_schedule ^ >> kernel/sched/core.c:6576:2: error: use of undeclared identifier '__SCT__preempt_schedule' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:254:1: note: expanded from here __SCT__preempt_schedule ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:255:1: note: expanded from here __SCT__preempt_schedule_notrace ^ >> kernel/sched/core.c:6577:47: error: use of undeclared identifier '__preempt_schedule_notrace_func' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCK__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); ^ include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:256:1: note: expanded from here __SCK__preempt_schedule_notrace ^ >> kernel/sched/core.c:6577:2: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:257:1: note: expanded from here __SCT__preempt_schedule_notrace ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCT__preempt_schedule' static_call_update(preempt_schedule, NULL); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:11:1: note: expanded from here __SCT__preempt_schedule ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCK__preempt_schedule' include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:12:1: note: expanded from here __SCK__preempt_schedule ^ kernel/sched/core.c:6584:3: error: use of undeclared identifier '__SCT__preempt_schedule' include/linux/static_call.h:156:9: note: expanded from macro 'static_call_update' STATIC_CALL_TRAMP_ADDR(name), __F); \ ^ include/linux/static_call.h:146:39: note: expanded from macro 'STATIC_CALL_TRAMP_ADDR' #define STATIC_CALL_TRAMP_ADDR(name) &STATIC_CALL_TRAMP(name) ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:13:1: note: expanded from here __SCT__preempt_schedule ^ kernel/sched/core.c:6585:3: error: use of undeclared identifier '__SCT__preempt_schedule_notrace' static_call_update(preempt_schedule_notrace, NULL); ^ include/linux/static_call.h:154:10: note: expanded from macro 'static_call_update' typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ ^ include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP' #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' #define ___PASTE(a,b) a##b ^ <scratch space>:14:1: note: expanded from here __SCT__preempt_schedule_notrace ^ kernel/sched/core.c:6585:3: error: use of undeclared identifier '__SCK__preempt_schedule_notrace' include/linux/static_call.h:155:24: note: expanded from macro 'static_call_update' __static_call_update(&STATIC_CALL_KEY(name), \ ^ include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY' #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name) ^ include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE' #define __PASTE(a,b) ___PASTE(a,b) ^ include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE' vim +/__SCT__preempt_schedule +6576 kernel/sched/core.c e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6567 1011dcce99f802 Peter Zijlstra 2021-03-25 6568 void sched_dynamic_update(int mode) 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6569) { e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6570 /* e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6571 * Avoid {NONE,VOLUNTARY} -> FULL transitions from ever ending up in e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6572 * the ZERO state, which is invalid. e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6573 */ e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6574 static_call_update(cond_resched, __cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6575 static_call_update(might_resched, __cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 @6576 static_call_update(preempt_schedule, __preempt_schedule_func); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 @6577 static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6578 static_call_update(irqentry_exit_cond_resched, irqentry_exit_cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6579 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6580 switch (mode) { e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6581 case preempt_dynamic_none: 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6582) static_call_update(cond_resched, __cond_resched); 9432bbd969c667 Peter Zijlstra 2021-03-23 6583 static_call_update(might_resched, (void *)&__static_call_return0); 9432bbd969c667 Peter Zijlstra 2021-03-23 6584 static_call_update(preempt_schedule, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6585 static_call_update(preempt_schedule_notrace, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6586 static_call_update(irqentry_exit_cond_resched, NULL); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6587 pr_info("Dynamic Preempt: none\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6588 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6589 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6590 case preempt_dynamic_voluntary: 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6591) static_call_update(cond_resched, __cond_resched); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6592) static_call_update(might_resched, __cond_resched); 9432bbd969c667 Peter Zijlstra 2021-03-23 6593 static_call_update(preempt_schedule, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6594 static_call_update(preempt_schedule_notrace, NULL); 9432bbd969c667 Peter Zijlstra 2021-03-23 6595 static_call_update(irqentry_exit_cond_resched, NULL); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6596 pr_info("Dynamic Preempt: voluntary\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6597 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6598 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6599 case preempt_dynamic_full: 9432bbd969c667 Peter Zijlstra 2021-03-23 6600 static_call_update(cond_resched, (void *)&__static_call_return0); 9432bbd969c667 Peter Zijlstra 2021-03-23 6601 static_call_update(might_resched, (void *)&__static_call_return0); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6602) static_call_update(preempt_schedule, __preempt_schedule_func); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6603) static_call_update(preempt_schedule_notrace, __preempt_schedule_notrace_func); 826bfeb37bb430 Peter Zijlstra (Intel 2021-01-18 6604) static_call_update(irqentry_exit_cond_resched, irqentry_exit_cond_resched); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6605 pr_info("Dynamic Preempt: full\n"); e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6606 break; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6607 } e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6608 e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6609 preempt_dynamic_mode = mode; e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6610 } e59e10f8ef63d4 Peter Zijlstra 2021-01-22 6611 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org [-- Attachment #2: config.gz --] [-- Type: application/gzip, Size: 32514 bytes --]
next prev parent reply other threads:[~2021-11-06 5:05 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-11-05 10:40 [PATCH] sched: Tweak default dynamic preempt mode selection Valentin Schneider 2021-11-06 4:40 ` Mike Galbraith 2021-11-08 11:17 ` Valentin Schneider 2021-11-08 12:27 ` Mike Galbraith 2021-11-08 15:21 ` Valentin Schneider 2021-11-09 5:30 ` Mike Galbraith 2021-11-09 9:52 ` Valentin Schneider 2021-11-09 11:00 ` Mike Galbraith 2021-11-09 12:19 ` Valentin Schneider 2021-11-09 13:31 ` Mike Galbraith 2021-11-06 5:05 ` kernel test robot [this message] 2021-11-06 5:05 ` kernel test robot 2021-11-08 12:00 ` Valentin Schneider 2021-11-08 12:00 ` Valentin Schneider 2021-11-06 5:33 ` kernel test robot 2021-11-06 5:33 ` kernel test robot 2021-11-06 7:58 ` kernel test robot 2021-11-06 7:58 ` kernel test robot 2021-11-09 10:25 ` Frederic Weisbecker 2021-11-10 0:03 ` Valentin Schneider 2021-11-10 5:44 ` Mike Galbraith
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