diff options
69 files changed, 407 insertions, 163 deletions
diff --git a/arch/arm64/include/asm/paravirt_api_clock.h b/arch/arm64/include/asm/paravirt_api_clock.h new file mode 100644 index 000000000000..65ac7cee0dad --- /dev/null +++ b/arch/arm64/include/asm/paravirt_api_clock.h @@ -0,0 +1 @@ +#include <asm/paravirt.h> diff --git a/arch/x86/include/asm/paravirt_api_clock.h b/arch/x86/include/asm/paravirt_api_clock.h new file mode 100644 index 000000000000..65ac7cee0dad --- /dev/null +++ b/arch/x86/include/asm/paravirt_api_clock.h @@ -0,0 +1 @@ +#include <asm/paravirt.h> diff --git a/include/linux/cgroup_api.h b/include/linux/cgroup_api.h new file mode 100644 index 000000000000..d0cfe8025111 --- /dev/null +++ b/include/linux/cgroup_api.h @@ -0,0 +1 @@ +#include <linux/cgroup.h> diff --git a/include/linux/cpumask_api.h b/include/linux/cpumask_api.h new file mode 100644 index 000000000000..83bd3ebe82b0 --- /dev/null +++ b/include/linux/cpumask_api.h @@ -0,0 +1 @@ +#include <linux/cpumask.h> diff --git a/include/linux/fs_api.h b/include/linux/fs_api.h new file mode 100644 index 000000000000..83be38d6d413 --- /dev/null +++ b/include/linux/fs_api.h @@ -0,0 +1 @@ +#include <linux/fs.h> diff --git a/include/linux/gfp_api.h b/include/linux/gfp_api.h new file mode 100644 index 000000000000..5a05a2764a86 --- /dev/null +++ b/include/linux/gfp_api.h @@ -0,0 +1 @@ +#include <linux/gfp.h> diff --git a/include/linux/hashtable_api.h b/include/linux/hashtable_api.h new file mode 100644 index 000000000000..c268ac2c5c0e --- /dev/null +++ b/include/linux/hashtable_api.h @@ -0,0 +1 @@ +#include <linux/hashtable.h> diff --git a/include/linux/hrtimer_api.h b/include/linux/hrtimer_api.h new file mode 100644 index 000000000000..8d9700894468 --- /dev/null +++ b/include/linux/hrtimer_api.h @@ -0,0 +1 @@ +#include <linux/hrtimer.h> diff --git a/include/linux/kobject_api.h b/include/linux/kobject_api.h new file mode 100644 index 000000000000..6e36a054c2d6 --- /dev/null +++ b/include/linux/kobject_api.h @@ -0,0 +1 @@ +#include <linux/kobject.h> diff --git a/include/linux/kref_api.h b/include/linux/kref_api.h new file mode 100644 index 000000000000..d67e554721d2 --- /dev/null +++ b/include/linux/kref_api.h @@ -0,0 +1 @@ +#include <linux/kref.h> diff --git a/include/linux/ktime_api.h b/include/linux/ktime_api.h new file mode 100644 index 000000000000..f697d493960f --- /dev/null +++ b/include/linux/ktime_api.h @@ -0,0 +1 @@ +#include <linux/ktime.h> diff --git a/include/linux/llist_api.h b/include/linux/llist_api.h new file mode 100644 index 000000000000..625bec0393a1 --- /dev/null +++ b/include/linux/llist_api.h @@ -0,0 +1 @@ +#include <linux/llist.h> diff --git a/include/linux/lockdep_api.h b/include/linux/lockdep_api.h new file mode 100644 index 000000000000..907e66979ab2 --- /dev/null +++ b/include/linux/lockdep_api.h @@ -0,0 +1 @@ +#include <linux/lockdep.h> diff --git a/include/linux/mm_api.h b/include/linux/mm_api.h new file mode 100644 index 000000000000..a5ace2b198b8 --- /dev/null +++ b/include/linux/mm_api.h @@ -0,0 +1 @@ +#include <linux/mm.h> diff --git a/include/linux/mutex_api.h b/include/linux/mutex_api.h new file mode 100644 index 000000000000..85ab9491e13e --- /dev/null +++ b/include/linux/mutex_api.h @@ -0,0 +1 @@ +#include <linux/mutex.h> diff --git a/include/linux/perf_event_api.h b/include/linux/perf_event_api.h new file mode 100644 index 000000000000..c2fd6048b790 --- /dev/null +++ b/include/linux/perf_event_api.h @@ -0,0 +1 @@ +#include <linux/perf_event.h> diff --git a/include/linux/pgtable_api.h b/include/linux/pgtable_api.h new file mode 100644 index 000000000000..ff367a4ba8c4 --- /dev/null +++ b/include/linux/pgtable_api.h @@ -0,0 +1 @@ +#include <linux/pgtable.h> diff --git a/include/linux/ptrace_api.h b/include/linux/ptrace_api.h new file mode 100644 index 000000000000..26e7d275ad8d --- /dev/null +++ b/include/linux/ptrace_api.h @@ -0,0 +1 @@ +#include <linux/ptrace.h> diff --git a/include/linux/rcuwait_api.h b/include/linux/rcuwait_api.h new file mode 100644 index 000000000000..f962e28544dd --- /dev/null +++ b/include/linux/rcuwait_api.h @@ -0,0 +1 @@ +#include <linux/rcuwait.h> diff --git a/include/linux/refcount_api.h b/include/linux/refcount_api.h new file mode 100644 index 000000000000..5f032589f568 --- /dev/null +++ b/include/linux/refcount_api.h @@ -0,0 +1 @@ +#include <linux/refcount.h> diff --git a/include/linux/sched/affinity.h b/include/linux/sched/affinity.h new file mode 100644 index 000000000000..227f5be81bcd --- /dev/null +++ b/include/linux/sched/affinity.h @@ -0,0 +1 @@ +#include <linux/sched.h> diff --git a/include/linux/sched/cond_resched.h b/include/linux/sched/cond_resched.h new file mode 100644 index 000000000000..227f5be81bcd --- /dev/null +++ b/include/linux/sched/cond_resched.h @@ -0,0 +1 @@ +#include <linux/sched.h> diff --git a/include/linux/sched/deadline.h b/include/linux/sched/deadline.h index 1aff00b65f3c..7c83d4d5a971 100644 --- a/include/linux/sched/deadline.h +++ b/include/linux/sched/deadline.h @@ -6,6 +6,8 @@ * NORMAL/BATCH tasks. */ +#include <linux/sched.h> + #define MAX_DL_PRIO 0 static inline int dl_prio(int prio) diff --git a/include/linux/sched/posix-timers.h b/include/linux/sched/posix-timers.h new file mode 100644 index 000000000000..523a381d6c88 --- /dev/null +++ b/include/linux/sched/posix-timers.h @@ -0,0 +1 @@ +#include <linux/posix-timers.h> diff --git a/include/linux/sched/rseq_api.h b/include/linux/sched/rseq_api.h new file mode 100644 index 000000000000..cf2af72693e1 --- /dev/null +++ b/include/linux/sched/rseq_api.h @@ -0,0 +1 @@ +#include <linux/rseq.h> diff --git a/include/linux/sched/task_flags.h b/include/linux/sched/task_flags.h new file mode 100644 index 000000000000..227f5be81bcd --- /dev/null +++ b/include/linux/sched/task_flags.h @@ -0,0 +1 @@ +#include <linux/sched.h> diff --git a/include/linux/sched/thread_info_api.h b/include/linux/sched/thread_info_api.h new file mode 100644 index 000000000000..2c60fbc16c08 --- /dev/null +++ b/include/linux/sched/thread_info_api.h @@ -0,0 +1 @@ +#include <linux/thread_info.h> diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h index 835ee87ed792..cb41c5edb4d4 100644 --- a/include/linux/sched_clock.h +++ b/include/linux/sched_clock.h @@ -5,6 +5,8 @@ #ifndef LINUX_SCHED_CLOCK #define LINUX_SCHED_CLOCK +#include <linux/types.h> + #ifdef CONFIG_GENERIC_SCHED_CLOCK /** * struct clock_read_data - data required to read from sched_clock() diff --git a/include/linux/seqlock_api.h b/include/linux/seqlock_api.h new file mode 100644 index 000000000000..be91e7d3b826 --- /dev/null +++ b/include/linux/seqlock_api.h @@ -0,0 +1 @@ +#include <linux/seqlock.h> diff --git a/include/linux/softirq.h b/include/linux/softirq.h new file mode 100644 index 000000000000..c73d7dcb4cb5 --- /dev/null +++ b/include/linux/softirq.h @@ -0,0 +1 @@ +#include <linux/interrupt.h> diff --git a/include/linux/spinlock_api.h b/include/linux/spinlock_api.h new file mode 100644 index 000000000000..6338b27f98df --- /dev/null +++ b/include/linux/spinlock_api.h @@ -0,0 +1 @@ +#include <linux/spinlock.h> diff --git a/include/linux/swait_api.h b/include/linux/swait_api.h new file mode 100644 index 000000000000..1eeaaaaa5ea7 --- /dev/null +++ b/include/linux/swait_api.h @@ -0,0 +1 @@ +#include <linux/swait.h> diff --git a/include/linux/syscalls_api.h b/include/linux/syscalls_api.h new file mode 100644 index 000000000000..23e012b04db4 --- /dev/null +++ b/include/linux/syscalls_api.h @@ -0,0 +1 @@ +#include <linux/syscalls.h> diff --git a/include/linux/u64_stats_sync_api.h b/include/linux/u64_stats_sync_api.h new file mode 100644 index 000000000000..c72ca63da44b --- /dev/null +++ b/include/linux/u64_stats_sync_api.h @@ -0,0 +1 @@ +#include <linux/u64_stats_sync.h> diff --git a/include/linux/wait_api.h b/include/linux/wait_api.h new file mode 100644 index 000000000000..4e930548935a --- /dev/null +++ b/include/linux/wait_api.h @@ -0,0 +1 @@ +#include <linux/wait.h> diff --git a/include/linux/workqueue_api.h b/include/linux/workqueue_api.h new file mode 100644 index 000000000000..77debb5d2760 --- /dev/null +++ b/include/linux/workqueue_api.h @@ -0,0 +1 @@ +#include <linux/workqueue.h> diff --git a/kernel/sched/Makefile b/kernel/sched/Makefile index c83b37af155b..976092b7bd45 100644 --- a/kernel/sched/Makefile +++ b/kernel/sched/Makefile @@ -1,7 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -ifdef CONFIG_FUNCTION_TRACER -CFLAGS_REMOVE_clock.o = $(CC_FLAGS_FTRACE) -endif # The compilers are complaining about unused variables inside an if(0) scope # block. This is daft, shut them up. @@ -25,18 +22,13 @@ ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y) CFLAGS_core.o := $(PROFILING) -fno-omit-frame-pointer endif -obj-y += core.o loadavg.o clock.o cputime.o -obj-y += idle.o fair.o rt.o deadline.o -obj-y += wait.o wait_bit.o swait.o completion.o - -obj-$(CONFIG_SMP) += cpupri.o cpudeadline.o topology.o stop_task.o pelt.o -obj-$(CONFIG_SCHED_AUTOGROUP) += autogroup.o -obj-$(CONFIG_SCHEDSTATS) += stats.o -obj-$(CONFIG_SCHED_DEBUG) += debug.o -obj-$(CONFIG_CGROUP_CPUACCT) += cpuacct.o -obj-$(CONFIG_CPU_FREQ) += cpufreq.o -obj-$(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) += cpufreq_schedutil.o -obj-$(CONFIG_MEMBARRIER) += membarrier.o -obj-$(CONFIG_CPU_ISOLATION) += isolation.o -obj-$(CONFIG_PSI) += psi.o -obj-$(CONFIG_SCHED_CORE) += core_sched.o +# +# Build efficiency: +# +# These compilation units have roughly the same size and complexity - so their +# build parallelizes well and finishes roughly at once: +# +obj-y += core.o +obj-y += fair.o +obj-y += build_policy.o +obj-y += build_utility.o diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c index 31dd2593145e..16092b49ff6a 100644 --- a/kernel/sched/autogroup.c +++ b/kernel/sched/autogroup.c @@ -1,9 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 + /* * Auto-group scheduling implementation: */ -#include <linux/nospec.h> -#include "sched.h" unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1; static struct autogroup autogroup_default; diff --git a/kernel/sched/autogroup.h b/kernel/sched/autogroup.h index 90fcbfdd70c3..90d69f2c5eaf 100644 --- a/kernel/sched/autogroup.h +++ b/kernel/sched/autogroup.h @@ -1,4 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _KERNEL_SCHED_AUTOGROUP_H +#define _KERNEL_SCHED_AUTOGROUP_H + #ifdef CONFIG_SCHED_AUTOGROUP struct autogroup { @@ -59,3 +62,5 @@ static inline int autogroup_path(struct task_group *tg, char *buf, int buflen) } #endif /* CONFIG_SCHED_AUTOGROUP */ + +#endif /* _KERNEL_SCHED_AUTOGROUP_H */ diff --git a/kernel/sched/build_policy.c b/kernel/sched/build_policy.c new file mode 100644 index 000000000000..e0104b45029a --- /dev/null +++ b/kernel/sched/build_policy.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * These are the scheduling policy related scheduler files, built + * in a single compilation unit for build efficiency reasons. + * + * ( Incidentally, the size of the compilation unit is roughly + * comparable to core.c and fair.c, the other two big + * compilation units. This helps balance build time, while + * coalescing source files to amortize header inclusion + * cost. ) + * + * core.c and fair.c are built separately. + */ + +/* Headers: */ +#include <linux/sched/clock.h> +#include <linux/sched/cputime.h> +#include <linux/sched/posix-timers.h> +#include <linux/sched/rt.h> + +#include <linux/cpuidle.h> +#include <linux/jiffies.h> +#include <linux/livepatch.h> +#include <linux/psi.h> +#include <linux/seqlock_api.h> +#include <linux/slab.h> +#include <linux/suspend.h> +#include <linux/tsacct_kern.h> +#include <linux/vtime.h> + +#include <uapi/linux/sched/types.h> + +#include "sched.h" + +#include "autogroup.h" +#include "stats.h" +#include "pelt.h" + +/* Source code modules: */ + +#include "idle.c" + +#include "rt.c" + +#ifdef CONFIG_SMP +# include "cpudeadline.c" +# include "pelt.c" +#endif + +#include "cputime.c" +#include "deadline.c" + diff --git a/kernel/sched/build_utility.c b/kernel/sched/build_utility.c new file mode 100644 index 000000000000..eec0849b2aae --- /dev/null +++ b/kernel/sched/build_utility.c @@ -0,0 +1,109 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * These are various utility functions of the scheduler, + * built in a single compilation unit for build efficiency reasons. + * + * ( Incidentally, the size of the compilation unit is roughly + * comparable to core.c, fair.c, smp.c and policy.c, the other + * big compilation units. This helps balance build time, while + * coalescing source files to amortize header inclusion + * cost. ) + */ +#include <linux/sched/clock.h> +#include <linux/sched/cputime.h> +#include <linux/sched/debug.h> +#include <linux/sched/isolation.h> +#include <linux/sched/loadavg.h> +#include <linux/sched/mm.h> +#include <linux/sched/rseq_api.h> +#include <linux/sched/task_stack.h> + +#include <linux/cpufreq.h> +#include <linux/cpumask_api.h> +#include <linux/cpuset.h> +#include <linux/ctype.h> +#include <linux/debugfs.h> +#include <linux/energy_model.h> +#include <linux/hashtable_api.h> +#include <linux/irq.h> +#include <linux/kobject_api.h> +#include <linux/membarrier.h> +#include <linux/mempolicy.h> +#include <linux/nmi.h> +#include <linux/nospec.h> +#include <linux/proc_fs.h> +#include <linux/psi.h> +#include <linux/psi.h> +#include <linux/ptrace_api.h> +#include <linux/sched_clock.h> +#include <linux/security.h> +#include <linux/spinlock_api.h> +#include <linux/swait_api.h> +#include <linux/timex.h> +#include <linux/utsname.h> +#include <linux/wait_api.h> +#include <linux/workqueue_api.h> + +#include <uapi/linux/prctl.h> +#include <uapi/linux/sched/types.h> + +#include <asm/switch_to.h> + +#include "sched.h" +#include "sched-pelt.h" +#include "stats.h" +#include "autogroup.h" + +#include "clock.c" + +#ifdef CONFIG_CGROUP_CPUACCT +# include "cpuacct.c" +#endif + +#ifdef CONFIG_CPU_FREQ +# include "cpufreq.c" +#endif + +#ifdef CONFIG_CPU_FREQ_GOV_SCHEDUTIL +# include "cpufreq_schedutil.c" +#endif + +#ifdef CONFIG_SCHED_DEBUG +# include "debug.c" +#endif + +#ifdef CONFIG_SCHEDSTATS +# include "stats.c" +#endif + +#include "loadavg.c" +#include "completion.c" +#include "swait.c" +#include "wait_bit.c" +#include "wait.c" + +#ifdef CONFIG_SMP +# include "cpupri.c" +# include "stop_task.c" +# include "topology.c" +#endif + +#ifdef CONFIG_SCHED_CORE +# include "core_sched.c" +#endif + +#ifdef CONFIG_PSI +# include "psi.c" +#endif + +#ifdef CONFIG_MEMBARRIER +# include "membarrier.c" +#endif + +#ifdef CONFIG_CPU_ISOLATION +# include "isolation.c" +#endif + +#ifdef CONFIG_SCHED_AUTOGROUP +# include "autogroup.c" +#endif diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index c2b2859ddd82..d9272d9061a3 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -53,15 +53,13 @@ * that is otherwise invisible (TSC gets stopped). * */ -#include "sched.h" -#include <linux/sched_clock.h> /* * Scheduler clock - returns current time in nanosec units. * This is default implementation. * Architectures and sub-architectures can override this. */ -unsigned long long __weak sched_clock(void) +notrace unsigned long long __weak sched_clock(void) { return (unsigned long long)(jiffies - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ); @@ -95,28 +93,28 @@ struct sched_clock_data { static DEFINE_PER_CPU_SHARED_ALIGNED(struct sched_clock_data, sched_clock_data); -static inline struct sched_clock_data *this_scd(void) +notrace static inline struct sched_clock_data *this_scd(void) { return this_cpu_ptr(&sched_clock_data); } -static inline struct sched_clock_data *cpu_sdc(int cpu) +notrace static inline struct sched_clock_data *cpu_sdc(int cpu) { return &per_cpu(sched_clock_data, cpu); } -int sched_clock_stable(void) +notrace int sched_clock_stable(void) { return static_branch_likely(&__sched_clock_stable); } -static void __scd_stamp(struct sched_clock_data *scd) +notrace static void __scd_stamp(struct sched_clock_data *scd) { scd->tick_gtod = ktime_get_ns(); scd->tick_raw = sched_clock(); } -static void __set_sched_clock_stable(void) +notrace static void __set_sched_clock_stable(void) { struct sched_clock_data *scd; @@ -151,7 +149,7 @@ static void __set_sched_clock_stable(void) * The only way to fully avoid random clock jumps is to boot with: * "tsc=unstable". */ -static void __sched_clock_work(struct work_struct *work) +notrace static void __sched_clock_work(struct work_struct *work) { struct sched_clock_data *scd; int cpu; @@ -177,7 +175,7 @@ static void __sched_clock_work(struct work_struct *work) static DECLARE_WORK(sched_clock_work, __sched_clock_work); -static void __clear_sched_clock_stable(void) +notrace static void __clear_sched_clock_stable(void) { if (!sched_clock_stable()) return; @@ -186,7 +184,7 @@ static void __clear_sched_clock_stable(void) schedule_work(&sched_clock_work); } -void clear_sched_clock_stable(void) +notrace void clear_sched_clock_stable(void) { __sched_clock_stable_early = 0; @@ -196,7 +194,7 @@ void clear_sched_clock_stable(void) __clear_sched_clock_stable(); } -static void __sched_clock_gtod_offset(void) +notrace static void __sched_clock_gtod_offset(void) { struct sched_clock_data *scd = this_scd(); @@ -246,12 +244,12 @@ late_initcall(sched_clock_init_late); * min, max except they take wrapping into account */ -static inline u64 wrap_min(u64 x, u64 y) +notrace static inline u64 wrap_min(u64 x, u64 y) { return (s64)(x - y) < 0 ? x : y; } -static inline u64 wrap_max(u64 x, u64 y) +notrace static inline u64 wrap_max(u64 x, u64 y) { return (s64)(x - y) > 0 ? x : y; } @@ -262,7 +260,7 @@ static inline u64 wrap_max(u64 x, u64 y) * - filter out backward motion * - use the GTOD tick value to create a window to filter crazy TSC values */ -static u64 sched_clock_local(struct sched_clock_data *scd) +notrace static u64 sched_clock_local(struct sched_clock_data *scd) { u64 now, clock, old_clock, min_clock, max_clock, gtod; s64 delta; @@ -295,7 +293,7 @@ again: return clock; } -static u64 sched_clock_remote(struct sched_clock_data *scd) +notrace static u64 sched_clock_remote(struct sched_clock_data *scd) { struct sched_clock_data *my_scd = this_scd(); u64 this_clock, remote_clock; @@ -362,7 +360,7 @@ again: * * See cpu_clock(). */ -u64 sched_clock_cpu(int cpu) +notrace u64 sched_clock_cpu(int cpu) { struct sched_clock_data *scd; u64 clock; @@ -386,7 +384,7 @@ u64 sched_clock_cpu(int cpu) } EXPORT_SYMBOL_GPL(sched_clock_cpu); -void sched_clock_tick(void) +notrace void sched_clock_tick(void) { struct sched_clock_data *scd; @@ -403,7 +401,7 @@ void sched_clock_tick(void) sched_clock_local(scd); } -void sched_clock_tick_stable(void) +notrace void sched_clock_tick_stable(void) { if (!sched_clock_stable()) return; @@ -423,7 +421,7 @@ void sched_clock_tick_stable(void) /* * We are going deep-idle (irqs are disabled): */ -void sched_clock_idle_sleep_event(void) +notrace void sched_clock_idle_sleep_event(void) { sched_clock_cpu(smp_processor_id()); } @@ -432,7 +430,7 @@ EXPORT_SYMBOL_GPL(sched_clock_idle_sleep_event); /* * We just idled; resync with ktime. */ -void sched_clock_idle_wakeup_event(void) +notrace void sched_clock_idle_wakeup_event(void) { unsigned long flags; @@ -458,7 +456,7 @@ void __init sched_clock_init(void) local_irq_enable(); } -u64 sched_clock_cpu(int cpu) +notrace u64 sched_clock_cpu(int cpu) { if (!static_branch_likely(&sched_clock_running)) return 0; @@ -476,7 +474,7 @@ u64 sched_clock_cpu(int cpu) * On bare metal this function should return the same as local_clock. * Architectures and sub-architectures can override this. */ -u64 __weak running_clock(void) +notrace u64 __weak running_clock(void) { return local_clock(); } diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c index a778554f9dad..35f15c26ed54 100644 --- a/kernel/sched/completion.c +++ b/kernel/sched/completion.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 + /* * Generic wait-for-completion handler; * @@ -11,7 +12,6 @@ * typically be used for exclusion which gives rise to priority inversion. * Waiting for completion is a typically sync point, but not an exclusion point. */ -#include "sched.h" /** * complete: - signals a single thread waiting on this completion diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 68736d1dc0f4..aa9e14ce94fb 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -6,27 +6,88 @@ * * Copyright (C) 1991-2002 Linus Torvalds */ -#define CREATE_TRACE_POINTS -#include <trace/events/sched.h> -#undef CREATE_TRACE_POINTS +#include <linux/highmem.h> +#include <linux/hrtimer_api.h> +#include <linux/ktime_api.h> +#include <linux/sched/signal.h> +#include <linux/syscalls_api.h> +#include <linux/debug_locks.h> +#include <linux/prefetch.h> +#include <linux/capability.h> +#include <linux/pgtable_api.h> +#include <linux/wait_bit.h> +#include <linux/jiffies.h> +#include <linux/spinlock_api.h> +#include <linux/cpumask_api.h> +#include <linux/lockdep_api.h> +#include <linux/hardirq.h> +#include <linux/softirq.h> +#include <linux/refcount_api.h> +#include <linux/topology.h> +#include <linux/sched/clock.h> +#include <linux/sched/cond_resched.h> +#include <linux/sched/debug.h> +#include <linux/sched/isolation.h> +#include <linux/sched/loadavg.h> +#include <linux/sched/mm.h> +#include <linux/sched/nohz.h> +#include <linux/sched/rseq_api.h> +#include <linux/sched/rt.h> -#include "sched.h" - -#include <linux/nospec.h> #include <linux/blkdev.h> -#include <linux/jump_label.h> +#include <linux/context_tracking.h> +#include <linux/cpuset.h> +#include <linux/delayacct.h> +#include <linux/init_task.h> +#include <linux/interrupt.h> +#include <linux/ioprio.h> +#include <linux/kallsyms.h> #include <linux/kcov.h> +#include <linux/kprobes.h> +#include <linux/llist_api.h> +#include <linux/mmu_context.h> +#include <linux/mmzone.h> +#include <linux/mutex_api.h> +#include <linux/nmi.h> +#include <linux/nospec.h> +#include <linux/perf_event_api.h> +#include <linux/profile.h> +#include <linux/psi.h> +#include <linux/rcuwait_api.h> +#include <linux/sched/wake_q.h> #include <linux/scs.h> +#include <linux/slab.h> +#include <linux/syscalls.h> +#include <linux/vtime.h> +#include <linux/wait_api.h> +#include <linux/workqueue_api.h> + +#ifdef CONFIG_PREEMPT_DYNAMIC +# include <linux/entry-common.h> +#endif + +#include <uapi/linux/sched/types.h> #include <asm/switch_to.h> #include <asm/tlb.h> -#include "../workqueue_internal.h" -#include "../../fs/io-wq.h" -#include "../smpboot.h" +#define CREATE_TRACE_POINTS +#include <linux/sched/rseq_api.h> +#include <trace/events/sched.h> +#undef CREATE_TRACE_POINTS +#include "sched.h" +#include "stats.h" +#include "autogroup.h" + +#include "autogroup.h" #include "pelt.h" #include "smp.h" +#include "stats.h" + +#include "../workqueue_internal.h" +#include "../../fs/io-wq.h" +#include "../smpboot.h" /* * Export tracepoints that act as a bare tracehook (ie: have no trace event diff --git a/kernel/sched/core_sched.c b/kernel/sched/core_sched.c index c8746a9a7ada..38a2cec21014 100644 --- a/kernel/sched/core_sched.c +++ b/kernel/sched/core_sched.c @@ -1,8 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -#include <linux/prctl.h> -#include "sched.h" - /* * A simple wrapper around refcount. An allocated sched_core_cookie's * address is used to compute the cookie of the task. diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c index d269ede84e85..0de9dda09949 100644 --- a/kernel/sched/cpuacct.c +++ b/kernel/sched/cpuacct.c @@ -1,12 +1,11 @@ // SPDX-License-Identifier: GPL-2.0 + /* * CPU accounting code for task groups. * * Based on the work by Paul Menage (menage@google.com) and Balbir Singh * (balbir@in.ibm.com). */ -#include <asm/irq_regs.h> -#include "sched.h" /* Time spent by the tasks of the CPU accounting group executing in ... */ enum cpuacct_stat_index { diff --git a/kernel/sched/cpudeadline.c b/kernel/sched/cpudeadline.c index ceb03d76c0cc..02d970a879ed 100644 --- a/kernel/sched/cpudeadline.c +++ b/kernel/sched/cpudeadline.c @@ -1,12 +1,11 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * kernel/sched/cpudl.c + * kernel/sched/cpudeadline.c * * Global CPU deadline management * * Author: Juri Lelli <j.lelli@sssup.it> */ -#include "sched.h" static inline int parent(int i) { diff --git a/kernel/sched/cpufreq.c b/kernel/sched/cpufreq.c index 7c2fe50fd76d..5252fb191fae 100644 --- a/kernel/sched/cpufreq.c +++ b/kernel/sched/cpufreq.c @@ -5,9 +5,6 @@ * Copyright (C) 2016, Intel Corporation * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> */ -#include <linux/cpufreq.h> - -#include "sched.h" DEFINE_PER_CPU(struct update_util_data __rcu *, cpufreq_update_util_data); diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 6d65ab6e484e..f68885d049f2 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -6,13 +6,6 @@ * Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com> */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include "sched.h" - -#include <linux/sched/cpufreq.h> -#include <trace/events/power.h> - #define IOWAIT_BOOST_MIN (SCHED_CAPACITY_SCALE / 8) struct sugov_tunables { diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c index d583f2aa744e..fa9ce9d83683 100644 --- a/kernel/sched/cpupri.c +++ b/kernel/sched/cpupri.c @@ -22,7 +22,6 @@ * worst case complexity of O(min(101, nr_domcpus)), though the scenario that * yields the worst case search is fairly contrived. */ -#include "sched.h" /* * p->rt_priority p->prio newpri cpupri diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c index b7ec42732b28..78a233d43757 100644 --- a/kernel/sched/cputime.c +++ b/kernel/sched/cputime.c @@ -2,7 +2,6 @@ /* * Simple CPU accounting cgroup controller */ -#include "sched.h" #ifdef CONFIG_IRQ_TIME_ACCOUNTING diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 11cdc6d0c45f..fb4255ae0b2c 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -15,8 +15,6 @@ * Michael Trimarchi <michael@amarulasolutions.com>, * Fabio Checconi <fchecconi@gmail.com> */ -#include "sched.h" -#include "pelt.h" static inline struct task_struct *dl_task_of(struct sched_dl_entity *dl_se) { diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 102d6f70e84d..bb3d63bdf4ae 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -6,7 +6,6 @@ * * Copyright(C) 2007, Red Hat, Inc., Ingo Molnar */ -#include "sched.h" /* * This allows printing both to /proc/sched_debug and diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 16874e112fe6..89d21fda106c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -20,7 +20,38 @@ * Adaptive scheduling granularity, math enhancements by Peter Zijlstra * Copyright (C) 2007 Red Hat, Inc., Peter Zijlstra */ +#include <linux/energy_model.h> +#include <linux/mmap_lock.h> +#include <linux/hugetlb_inline.h> +#include <linux/jiffies.h> +#include <linux/mm_api.h> +#include <linux/highmem.h> +#include <linux/spinlock_api.h> +#include <linux/cpumask_api.h> +#include <linux/lockdep_api.h> +#include <linux/softirq.h> +#include <linux/refcount_api.h> +#include <linux/topology.h> +#include <linux/sched/clock.h> +#include <linux/sched/cond_resched.h> +#include <linux/sched/cputime.h> +#include <linux/sched/isolation.h> + +#include <linux/cpuidle.h> +#include <linux/interrupt.h> +#include <linux/mempolicy.h> +#include <linux/mutex_api.h> +#include <linux/profile.h> +#include <linux/psi.h> +#include <linux/ratelimit.h> + +#include <asm/switch_to.h> + +#include <linux/sched/cond_resched.h> + #include "sched.h" +#include "stats.h" +#include "autogroup.h" /* * Targeted preemption latency for CPU-bound tasks: diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c index d17b0a5ce6ac..8f8b5020e76a 100644 --- a/kernel/sched/idle.c +++ b/kernel/sched/idle.c @@ -6,9 +6,6 @@ * (NOTE: these are not related to SCHED_IDLE batch scheduled * tasks which are handled in sched/fair.c ) */ -#include "sched.h" - -#include <trace/events/power.h> /* Linker adds these: start and end of __cpuidle functions */ extern char __cpuidle_text_start[], __cpuidle_text_end[]; diff --git a/kernel/sched/isolation.c b/kernel/sched/isolation.c index b4d10815c45a..373d42c707bc 100644 --- a/kernel/sched/isolation.c +++ b/kernel/sched/isolation.c @@ -7,7 +7,6 @@ * Copyright (C) 2017-2018 SUSE, Frederic Weisbecker * */ -#include "sched.h" enum hk_flags { HK_FLAG_TIMER = BIT(HK_TYPE_TIMER), diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c index 954b229868d9..52c8f8226b0d 100644 --- a/kernel/sched/loadavg.c +++ b/kernel/sched/loadavg.c @@ -6,7 +6,6 @@ * figure. Its a silly number but people think its important. We go through * great pains to make it work on big machines and tickless kernels. */ -#include "sched.h" /* * Global load-average calculations diff --git a/kernel/sched/membarrier.c b/kernel/sched/membarrier.c index 3d2825408e3a..0c5be7ebb1dc 100644 --- a/kernel/sched/membarrier.c +++ b/kernel/sched/membarrier.c @@ -4,7 +4,6 @@ * * membarrier system call */ -#include "sched.h" /* * For documentation purposes, here are some membarrier ordering diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c index a554e3bbab2b..0f310768260c 100644 --- a/kernel/sched/pelt.c +++ b/kernel/sched/pelt.c @@ -24,10 +24,6 @@ * Author: Vincent Guittot <vincent.guittot@linaro.org> */ -#include <linux/sched.h> -#include "sched.h" -#include "pelt.h" - /* * Approximate: * val * y^n, where y^32 ~= 0.5 (~1 scheduling period) diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c index 8fb08a12f602..a4fa3aadfcba 100644 --- a/kernel/sched/psi.c +++ b/kernel/sched/psi.c @@ -137,21 +137,6 @@ * sampling of the aggregate task states would be. */ -#include "../workqueue_internal.h" -#include <linux/sched/loadavg.h> -#include <linux/seq_file.h> -#include <linux/proc_fs.h> -#include <linux/seqlock.h> -#include <linux/uaccess.h> -#include <linux/cgroup.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/ctype.h> -#include <linux/file.h> -#include <linux/poll.h> -#include <linux/psi.h> -#include "sched.h" - static int psi_bug __read_mostly; DEFINE_STATIC_KEY_FALSE(psi_disabled); diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 67039e5d359b..a32c46889af8 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -3,9 +3,6 @@ * Real-Time Scheduling Class (mapped to the SCHED_FIFO and SCHED_RR * policies) */ -#include "sched.h" - -#include "pelt.h" int sched_rr_timeslice = RR_TIMESLICE; int sysctl_sched_rr_timeslice = (MSEC_PER_SEC / HZ) * RR_TIMESLICE; diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 0720cf0c7df1..58263f90c559 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2,86 +2,98 @@ /* * Scheduler internal types and methods: */ -#include <linux/sched.h> +#ifndef _KERNEL_SCHED_SCHED_H +#define _KERNEL_SCHED_SCHED_H +#include <linux/sched/affinity.h> #include <linux/sched/autogroup.h> -#include <linux/sched/clock.h> -#include <linux/sched/coredump.h> #include <linux/sched/cpufreq.h> -#include <linux/sched/cputime.h> #include <linux/sched/deadline.h> -#include <linux/sched/debug.h> -#include <linux/sched/hotplug.h> -#include <linux/sched/idle.h> -#include <linux/sched/init.h> -#include <linux/sched/isolation.h> -#include <linux/sched/jobctl.h> +#include <linux/sched.h> #include <linux/sched/loadavg.h> #include <linux/sched/mm.h> -#include <linux/sched/nohz.h> -#include <linux/sched/numa_balancing.h> -#include <linux/sched/prio.h> -#include <linux/sched/rt.h> +#include <linux/sched/rseq_api.h> #include <linux/sched/signal.h> #include <linux/sched/smt.h> #include <linux/sched/stat.h> #include <linux/sched/sysctl.h> +#include <linux/sched/task_flags.h> #include <linux/sched/task.h> -#include <linux/sched/task_stack.h> #include <linux/sched/topology.h> -#include <linux/sched/user.h> -#include <linux/sched/wake_q.h> -#include <linux/sched/xacct.h> - -#include <uapi/linux/sched/types.h> -#include <linux/binfmts.h> -#include <linux/bitops.h> -#include <linux/compat.h> -#include <linux/context_tracking.h> +#include <linux/atomic.h> +#include <linux/bitmap.h> +#include <linux/bug.h> +#include <linux/capability.h> +#include <linux/cgroup_api.h> +#include <linux/cgroup.h> #include <linux/cpufreq.h> -#include <linux/cpuidle.h> -#include <linux/cpuset.h> +#include <linux/cpumask_api.h> #include <linux/ctype.h> -#include <linux/debugfs.h> -#include <linux/delayacct.h> -#include <linux/energy_model.h> -#include <linux/init_task.h> -#include <linux/kprobes.h> +#include <linux/file.h> +#include <linux/fs_api.h> +#include <linux/hrtimer_api.h> +#include <linux/interrupt.h> +#include <linux/irq_work.h> +#include <linux/jiffies.h> +#include <linux/kref_api.h> #include <linux/kthread.h> -#include <linux/membarrier.h> -#include <linux/migrate.h> -#include <linux/mmu_context.h> -#include <linux/nmi.h> +#include <linux/ktime_api.h> +#include <linux/lockdep_api.h> +#include <linux/lockdep.h> +#include <linux/minmax.h> +#include <linux/mm.h> +#include <linux/module.h> +#include <linux/mutex_api.h> +#include <linux/plist.h> +#include <linux/poll.h> #include <linux/proc_fs.h> -#include <linux/prefetch.h> #include <linux/profile.h> #include <linux/psi.h> -#include <linux/ratelimit.h> -#include <linux/rcupdate_wait.h> -#include <linux/security.h> +#include <linux/rcupdate.h> +#include <linux/seq_file.h> +#include <linux/seqlock.h> +#include <linux/softirq.h> +#include <linux/spinlock_api.h> +#include <linux/static_key.h> #include <linux/stop_machine.h> -#include <linux/suspend.h> -#include <linux/swait.h> +#include <linux/syscalls_api.h> #include <linux/syscalls.h> -#include <linux/task_work.h> -#include <linux/tsacct_kern.h> +#include <linux/tick.h> +#include <linux/topology.h> +#include <linux/types.h> +#include <linux/u64_stats_sync_api.h> +#include <linux/uaccess.h> +#include <linux/wait_api.h> +#include <linux/wait_bit.h> +#include <linux/workqueue_api.h> + +#include <trace/events/power.h> +#include <trace/events/sched.h> + +#include "../workqueue_internal.h" + +#ifdef CONFIG_CGROUP_SCHED +#include <linux/cgroup.h> +#include <linux/psi.h> +#endif -#include <asm/tlb.h> +#ifdef CONFIG_SCHED_DEBUG +# include <linux/static_key.h> +#endif #ifdef CONFIG_PARAVIRT # include <asm/paravirt.h> +# include <asm/paravirt_api_clock.h> #endif #include "cpupri.h" #include "cpudeadline.h" -#include <trace/events/sched.h> - #ifdef CONFIG_SCHED_DEBUG -# define SCHED_WARN_ON(x) WARN_ONCE(x, #x) +# define SCHED_WARN_ON(x) WARN_ONCE(x, #x) #else -# define SCHED_WARN_ON(x) ({ (void)(x), 0; }) +# define SCHED_WARN_ON(x) ({ (void)(x), 0; }) #endif struct rq; @@ -329,9 +341,6 @@ extern int dl_cpu_busy(int cpu, struct task_struct *p); #ifdef CONFIG_CGROUP_SCHED -#include <linux/cgroup.h> -#include <linux/psi.h> - struct cfs_rq; struct rt_rq; @@ -1832,7 +1841,6 @@ static inline void flush_smp_call_function_from_idle(void) { } #endif #include "stats.h" -#include "autogroup.h" #if defined(CONFIG_SCHED_CORE) && defined(CONFIG_SCHEDSTATS) @@ -1928,7 +1936,6 @@ static inline void __set_task_cpu(struct task_struct *p, unsigned int cpu) * Tunables that become constants when CONFIG_SCHED_DEBUG is off: */ #ifdef CONFIG_SCHED_DEBUG -# include <linux/static_key.h> # define const_debug __read_mostly #else # define const_debug const @@ -3086,3 +3093,4 @@ extern int sched_dynamic_mode(const char *str); extern void sched_dynamic_update(int mode); #endif +#endif /* _KERNEL_SCHED_SCHED_H */ diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c index 07dde2928c79..857f837f52cb 100644 --- a/kernel/sched/stats.c +++ b/kernel/sched/stats.c @@ -2,7 +2,6 @@ /* * /proc/schedstat implementation */ -#include "sched.h" void __update_stats_wait_start(struct rq *rq, struct task_struct *p, struct sched_statistics *stats) diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h index 3a3c826dd83a..baa839c1ba96 100644 --- a/kernel/sched/stats.h +++ b/kernel/sched/stats.h @@ -1,4 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _KERNEL_STATS_H +#define _KERNEL_STATS_H #ifdef CONFIG_SCHEDSTATS @@ -298,3 +300,5 @@ sched_info_switch(struct rq *rq, struct task_struct *prev, struct task_struct *n # define sched_info_dequeue(rq, t) do { } while (0) # define sched_info_switch(rq, t, next) do { } while (0) #endif /* CONFIG_SCHED_INFO */ + +#endif /* _KERNEL_STATS_H */ diff --git a/kernel/sched/stop_task.c b/kernel/sched/stop_task.c index 0b165a25f22f..d04073a93eb4 100644 --- a/kernel/sched/stop_task.c +++ b/kernel/sched/stop_task.c @@ -7,7 +7,6 @@ * * See kernel/stop_machine.c */ -#include "sched.h" #ifdef CONFIG_SMP static int diff --git a/kernel/sched/swait.c b/kernel/sched/swait.c index e1c655f928c7..76b9b796e695 100644 --- a/kernel/sched/swait.c +++ b/kernel/sched/swait.c @@ -2,7 +2,6 @@ /* * <linux/swait.h> (simple wait queues ) implementation: */ -#include "sched.h" void __init_swait_queue_head(struct swait_queue_head *q, const char *name, struct lock_class_key *key) diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 43f2899fe0ef..810750e62118 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -2,7 +2,6 @@ /* * Scheduler topology setup/handling methods */ -#include "sched.h" DEFINE_MUTEX(sched_domains_mutex); diff --git a/kernel/sched/wait.c b/kernel/sched/wait.c index eca38107b32f..9860bb9a847c 100644 --- a/kernel/sched/wait.c +++ b/kernel/sched/wait.c @@ -4,7 +4,6 @@ * * (C) 2004 Nadia Yvette Chambers, Oracle */ -#include "sched.h" void __init_waitqueue_head(struct wait_queue_head *wq_head, const char *name, struct lock_class_key *key) { diff --git a/kernel/sched/wait_bit.c b/kernel/sched/wait_bit.c index 02ce292b9bc0..d4788f810b55 100644 --- a/kernel/sched/wait_bit.c +++ b/kernel/sched/wait_bit.c @@ -1,8 +1,8 @@ // SPDX-License-Identifier: GPL-2.0-only + /* * The implementation of the wait_bit*() and related waiting APIs: */ -#include "sched.h" #define WAIT_TABLE_BITS 8 #define WAIT_TABLE_SIZE (1 << WAIT_TABLE_BITS) |