From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> [ Upstream commit d664e399128bd78b905ff480917e2c2d4949e101 ] A W=1 build emits more than a dozen missing prototype warnings related to scheduler and scheduler specific includes. Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20220413133024.249118058@xxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- include/linux/sched.h | 2 ++ kernel/sched/build_policy.c | 2 ++ kernel/sched/build_utility.c | 1 + kernel/sched/core.c | 3 +++ kernel/sched/deadline.c | 2 -- kernel/sched/fair.c | 1 + kernel/sched/sched.h | 8 ++------ kernel/sched/smp.h | 6 ++++++ kernel/stop_machine.c | 2 -- 9 files changed, 17 insertions(+), 10 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index a8911b1f35aa..74947048e3ad 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -2362,4 +2362,6 @@ static inline void sched_core_free(struct task_struct *tsk) { } static inline void sched_core_fork(struct task_struct *p) { } #endif +extern void sched_set_stop_task(int cpu, struct task_struct *stop); + #endif diff --git a/kernel/sched/build_policy.c b/kernel/sched/build_policy.c index e0104b45029a..d9dc9ab3773f 100644 --- a/kernel/sched/build_policy.c +++ b/kernel/sched/build_policy.c @@ -15,6 +15,7 @@ /* Headers: */ #include <linux/sched/clock.h> #include <linux/sched/cputime.h> +#include <linux/sched/hotplug.h> #include <linux/sched/posix-timers.h> #include <linux/sched/rt.h> @@ -31,6 +32,7 @@ #include <uapi/linux/sched/types.h> #include "sched.h" +#include "smp.h" #include "autogroup.h" #include "stats.h" diff --git a/kernel/sched/build_utility.c b/kernel/sched/build_utility.c index eec0849b2aae..99bdd96f454f 100644 --- a/kernel/sched/build_utility.c +++ b/kernel/sched/build_utility.c @@ -14,6 +14,7 @@ #include <linux/sched/debug.h> #include <linux/sched/isolation.h> #include <linux/sched/loadavg.h> +#include <linux/sched/nohz.h> #include <linux/sched/mm.h> #include <linux/sched/rseq_api.h> #include <linux/sched/task_stack.h> diff --git a/kernel/sched/core.c b/kernel/sched/core.c index d58c0389eb23..ca71ebe2cd1d 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -26,7 +26,10 @@ #include <linux/topology.h> #include <linux/sched/clock.h> #include <linux/sched/cond_resched.h> +#include <linux/sched/cputime.h> #include <linux/sched/debug.h> +#include <linux/sched/hotplug.h> +#include <linux/sched/init.h> #include <linux/sched/isolation.h> #include <linux/sched/loadavg.h> #include <linux/sched/mm.h> diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index fb4255ae0b2c..6ae423627a7a 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -1220,8 +1220,6 @@ int dl_runtime_exceeded(struct sched_dl_entity *dl_se) return (dl_se->runtime <= 0); } -extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq); - /* * This function implements the GRUB accounting rule: * according to the GRUB reclaiming algorithm, the runtime is diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index a68482d66535..4edd47307cce 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -36,6 +36,7 @@ #include <linux/sched/cond_resched.h> #include <linux/sched/cputime.h> #include <linux/sched/isolation.h> +#include <linux/sched/nohz.h> #include <linux/cpuidle.h> #include <linux/interrupt.h> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 8dccb34eb190..137d5c7ea7b2 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1827,12 +1827,7 @@ static inline void dirty_sched_domain_sysctl(int cpu) #endif extern int sched_update_scaling(void); - -extern void flush_smp_call_function_from_idle(void); - -#else /* !CONFIG_SMP: */ -static inline void flush_smp_call_function_from_idle(void) { } -#endif +#endif /* CONFIG_SMP */ #include "stats.h" @@ -2309,6 +2304,7 @@ extern void resched_cpu(int cpu); extern struct rt_bandwidth def_rt_bandwidth; extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime); +extern bool sched_rt_bandwidth_account(struct rt_rq *rt_rq); extern void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime); extern void init_dl_task_timer(struct sched_dl_entity *dl_se); diff --git a/kernel/sched/smp.h b/kernel/sched/smp.h index 9620e323162c..5719bf9280e9 100644 --- a/kernel/sched/smp.h +++ b/kernel/sched/smp.h @@ -7,3 +7,9 @@ extern void sched_ttwu_pending(void *arg); extern void send_call_function_single_ipi(int cpu); + +#ifdef CONFIG_SMP +extern void flush_smp_call_function_from_idle(void); +#else +static inline void flush_smp_call_function_from_idle(void) { } +#endif diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c index cbc30271ea4d..6da7b91af353 100644 --- a/kernel/stop_machine.c +++ b/kernel/stop_machine.c @@ -535,8 +535,6 @@ void stop_machine_park(int cpu) kthread_park(stopper->thread); } -extern void sched_set_stop_task(int cpu, struct task_struct *stop); - static void cpu_stop_create(unsigned int cpu) { sched_set_stop_task(cpu, per_cpu(cpu_stopper.thread, cpu)); -- 2.35.1
