[rcu:rcu/next 16/16] kernel/irq_work.c:81:3: error: implicit declaration of function 'arch_send_call_function_single_ipi'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 commit: 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 [16/16] irq_work: Map irq_work_on_queue() to irq_work_on() in !SMP config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/irq_work.c: In function 'irq_work_queue_on': >> kernel/irq_work.c:81:3: error: implicit declaration of function >> 'arch_send_call_function_single_ipi' [-Werror=implicit-function-declaration] arch_send_call_function_single_ipi(cpu); ^~ cc1: some warnings being treated as errors vim +/arch_send_call_function_single_ipi +81 kernel/irq_work.c e360adbe Peter Zijlstra 2010-10-14 58 e360adbe Peter Zijlstra 2010-10-14 59 /* 47885016 Frederic Weisbecker 2014-05-08 60 * Enqueue the irq_work @work on @cpu unless it's already pending c02cf5f8 anish kumar 2013-02-03 61 * somewhere. c02cf5f8 anish kumar 2013-02-03 62 * c02cf5f8 anish kumar 2013-02-03 63 * Can be re-enqueued while the callback is still in progress. e360adbe Peter Zijlstra 2010-10-14 64 */ 47885016 Frederic Weisbecker 2014-05-08 65 bool irq_work_queue_on(struct irq_work *work, int cpu) 47885016 Frederic Weisbecker 2014-05-08 66 { 47885016 Frederic Weisbecker 2014-05-08 67 /* All work should have been flushed before going offline */ 47885016 Frederic Weisbecker 2014-05-08 68 WARN_ON_ONCE(cpu_is_offline(cpu)); 47885016 Frederic Weisbecker 2014-05-08 69 82dd0c50 Paul E. McKenney2017-08-18 70 if (!IS_ENABLED(CONFIG_SMP)) 82dd0c50 Paul E. McKenney2017-08-18 71 irq_work_queue(work); 82dd0c50 Paul E. McKenney2017-08-18 72 47885016 Frederic Weisbecker 2014-05-08 73 /* Arch remote IPI send/receive backend aren't NMI safe */ 47885016 Frederic Weisbecker 2014-05-08 74 WARN_ON_ONCE(in_nmi()); 47885016 Frederic Weisbecker 2014-05-08 75 47885016 Frederic Weisbecker 2014-05-08 76 /* Only queue if not already pending */ 47885016 Frederic Weisbecker 2014-05-08 77 if (!irq_work_claim(work)) 47885016 Frederic Weisbecker 2014-05-08 78 return false; 47885016 Frederic Weisbecker 2014-05-08 79 47885016 Frederic Weisbecker 2014-05-08 80 if (llist_add(>llnode, _cpu(raised_list, cpu))) 47885016 Frederic Weisbecker 2014-05-08 @81 arch_send_call_function_single_ipi(cpu); 47885016 Frederic Weisbecker 2014-05-08 82 47885016 Frederic Weisbecker 2014-05-08 83 return true; 47885016 Frederic Weisbecker 2014-05-08 84 } 47885016 Frederic Weisbecker 2014-05-08 85 :: The code at line 81 was first introduced by commit :: 478850160636c4f0b2558451df0e42f8c5a10939 irq_work: Implement remote queueing :: TO: Frederic Weisbecker:: CC: Frederic Weisbecker --- 0-DAY kernel test infrastructureOpen Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation .config.gz Description: application/gzip
[rcu:rcu/next 16/16] kernel/irq_work.c:81:3: error: implicit declaration of function 'arch_send_call_function_single_ipi'
tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next head: 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 commit: 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 [16/16] irq_work: Map irq_work_on_queue() to irq_work_on() in !SMP config: i386-tinyconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 82dd0c5004dcef5bd7c8af7cac913fb507dd1775 # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): kernel/irq_work.c: In function 'irq_work_queue_on': >> kernel/irq_work.c:81:3: error: implicit declaration of function >> 'arch_send_call_function_single_ipi' [-Werror=implicit-function-declaration] arch_send_call_function_single_ipi(cpu); ^~ cc1: some warnings being treated as errors vim +/arch_send_call_function_single_ipi +81 kernel/irq_work.c e360adbe Peter Zijlstra 2010-10-14 58 e360adbe Peter Zijlstra 2010-10-14 59 /* 47885016 Frederic Weisbecker 2014-05-08 60 * Enqueue the irq_work @work on @cpu unless it's already pending c02cf5f8 anish kumar 2013-02-03 61 * somewhere. c02cf5f8 anish kumar 2013-02-03 62 * c02cf5f8 anish kumar 2013-02-03 63 * Can be re-enqueued while the callback is still in progress. e360adbe Peter Zijlstra 2010-10-14 64 */ 47885016 Frederic Weisbecker 2014-05-08 65 bool irq_work_queue_on(struct irq_work *work, int cpu) 47885016 Frederic Weisbecker 2014-05-08 66 { 47885016 Frederic Weisbecker 2014-05-08 67 /* All work should have been flushed before going offline */ 47885016 Frederic Weisbecker 2014-05-08 68 WARN_ON_ONCE(cpu_is_offline(cpu)); 47885016 Frederic Weisbecker 2014-05-08 69 82dd0c50 Paul E. McKenney2017-08-18 70 if (!IS_ENABLED(CONFIG_SMP)) 82dd0c50 Paul E. McKenney2017-08-18 71 irq_work_queue(work); 82dd0c50 Paul E. McKenney2017-08-18 72 47885016 Frederic Weisbecker 2014-05-08 73 /* Arch remote IPI send/receive backend aren't NMI safe */ 47885016 Frederic Weisbecker 2014-05-08 74 WARN_ON_ONCE(in_nmi()); 47885016 Frederic Weisbecker 2014-05-08 75 47885016 Frederic Weisbecker 2014-05-08 76 /* Only queue if not already pending */ 47885016 Frederic Weisbecker 2014-05-08 77 if (!irq_work_claim(work)) 47885016 Frederic Weisbecker 2014-05-08 78 return false; 47885016 Frederic Weisbecker 2014-05-08 79 47885016 Frederic Weisbecker 2014-05-08 80 if (llist_add(>llnode, _cpu(raised_list, cpu))) 47885016 Frederic Weisbecker 2014-05-08 @81 arch_send_call_function_single_ipi(cpu); 47885016 Frederic Weisbecker 2014-05-08 82 47885016 Frederic Weisbecker 2014-05-08 83 return true; 47885016 Frederic Weisbecker 2014-05-08 84 } 47885016 Frederic Weisbecker 2014-05-08 85 :: The code at line 81 was first introduced by commit :: 478850160636c4f0b2558451df0e42f8c5a10939 irq_work: Implement remote queueing :: TO: Frederic Weisbecker :: CC: Frederic Weisbecker --- 0-DAY kernel test infrastructureOpen Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation .config.gz Description: application/gzip