diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/clock.c | 3 | ||||
| -rw-r--r-- | kernel/sched/core.c | 59 | ||||
| -rw-r--r-- | kernel/sched/cpuacct.c | 6 | ||||
| -rw-r--r-- | kernel/sched/debug.c | 3 | ||||
| -rw-r--r-- | kernel/sched/stats.c | 2 |
5 files changed, 12 insertions, 61 deletions
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index b30a2924ef14..3ef6451e972e 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -60,13 +60,14 @@ #include <linux/sched.h> #include <linux/static_key.h> #include <linux/workqueue.h> +#include <linux/compiler.h> /* * Scheduler clock - returns current time in nanosec units. * This is default implementation. * Architectures and sub-architectures can override this. */ -unsigned long long __attribute__((weak)) sched_clock(void) +unsigned long long __weak sched_clock(void) { return (unsigned long long)(jiffies - INITIAL_JIFFIES) * (NSEC_PER_SEC / HZ); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 9cae286824bb..268a45ea238c 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -73,6 +73,7 @@ #include <linux/init_task.h> #include <linux/binfmts.h> #include <linux/context_tracking.h> +#include <linux/compiler.h> #include <asm/switch_to.h> #include <asm/tlb.h> @@ -2845,52 +2846,6 @@ int default_wake_function(wait_queue_t *curr, unsigned mode, int wake_flags, } EXPORT_SYMBOL(default_wake_function); -static long __sched -sleep_on_common(wait_queue_head_t *q, int state, long timeout) -{ - unsigned long flags; - wait_queue_t wait; - - init_waitqueue_entry(&wait, current); - - __set_current_state(state); - - spin_lock_irqsave(&q->lock, flags); - __add_wait_queue(q, &wait); - spin_unlock(&q->lock); - timeout = schedule_timeout(timeout); - spin_lock_irq(&q->lock); - __remove_wait_queue(q, &wait); - spin_unlock_irqrestore(&q->lock, flags); - - return timeout; -} - -void __sched interruptible_sleep_on(wait_queue_head_t *q) -{ - sleep_on_common(q, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); -} -EXPORT_SYMBOL(interruptible_sleep_on); - -long __sched -interruptible_sleep_on_timeout(wait_queue_head_t *q, long timeout) -{ - return sleep_on_common(q, TASK_INTERRUPTIBLE, timeout); -} -EXPORT_SYMBOL(interruptible_sleep_on_timeout); - -void __sched sleep_on(wait_queue_head_t *q) -{ - sleep_on_common(q, TASK_UNINTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); -} -EXPORT_SYMBOL(sleep_on); - -long __sched sleep_on_timeout(wait_queue_head_t *q, long timeout) -{ - return sleep_on_common(q, TASK_UNINTERRUPTIBLE, timeout); -} -EXPORT_SYMBOL(sleep_on_timeout); - #ifdef CONFIG_RT_MUTEXES /* @@ -6498,7 +6453,7 @@ static cpumask_var_t fallback_doms; * cpu core maps. It is supposed to return 1 if the topology changed * or 0 if it stayed the same. */ -int __attribute__((weak)) arch_update_cpu_topology(void) +int __weak arch_update_cpu_topology(void) { return 0; } @@ -7230,7 +7185,7 @@ void sched_move_task(struct task_struct *tsk) if (unlikely(running)) tsk->sched_class->put_prev_task(rq, tsk); - tg = container_of(task_css_check(tsk, cpu_cgroup_subsys_id, + tg = container_of(task_css_check(tsk, cpu_cgrp_id, lockdep_is_held(&tsk->sighand->siglock)), struct task_group, css); tg = autogroup_task_group(tsk, tg); @@ -7657,7 +7612,7 @@ static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css, { struct task_struct *task; - cgroup_taskset_for_each(task, css, tset) { + cgroup_taskset_for_each(task, tset) { #ifdef CONFIG_RT_GROUP_SCHED if (!sched_rt_can_attach(css_tg(css), task)) return -EINVAL; @@ -7675,7 +7630,7 @@ static void cpu_cgroup_attach(struct cgroup_subsys_state *css, { struct task_struct *task; - cgroup_taskset_for_each(task, css, tset) + cgroup_taskset_for_each(task, tset) sched_move_task(task); } @@ -8014,8 +7969,7 @@ static struct cftype cpu_files[] = { { } /* terminate */ }; -struct cgroup_subsys cpu_cgroup_subsys = { - .name = "cpu", +struct cgroup_subsys cpu_cgrp_subsys = { .css_alloc = cpu_cgroup_css_alloc, .css_free = cpu_cgroup_css_free, .css_online = cpu_cgroup_css_online, @@ -8023,7 +7977,6 @@ struct cgroup_subsys cpu_cgroup_subsys = { .can_attach = cpu_cgroup_can_attach, .attach = cpu_cgroup_attach, .exit = cpu_cgroup_exit, - .subsys_id = cpu_cgroup_subsys_id, .base_cftypes = cpu_files, .early_init = 1, }; diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c index 622e0818f905..c143ee380e3a 100644 --- a/kernel/sched/cpuacct.c +++ b/kernel/sched/cpuacct.c @@ -41,7 +41,7 @@ static inline struct cpuacct *css_ca(struct cgroup_subsys_state *css) /* return cpu accounting group to which this task belongs */ static inline struct cpuacct *task_ca(struct task_struct *tsk) { - return css_ca(task_css(tsk, cpuacct_subsys_id)); + return css_ca(task_css(tsk, cpuacct_cgrp_id)); } static inline struct cpuacct *parent_ca(struct cpuacct *ca) @@ -275,11 +275,9 @@ void cpuacct_account_field(struct task_struct *p, int index, u64 val) rcu_read_unlock(); } -struct cgroup_subsys cpuacct_subsys = { - .name = "cpuacct", +struct cgroup_subsys cpuacct_cgrp_subsys = { .css_alloc = cpuacct_css_alloc, .css_free = cpuacct_css_free, - .subsys_id = cpuacct_subsys_id, .base_cftypes = files, .early_init = 1, }; diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index f3344c31632a..695f9773bb60 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -111,8 +111,7 @@ static char *task_group_path(struct task_group *tg) if (autogroup_path(tg, group_path, PATH_MAX)) return group_path; - cgroup_path(tg->css.cgroup, group_path, PATH_MAX); - return group_path; + return cgroup_path(tg->css.cgroup, group_path, PATH_MAX); } #endif diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c index da98af347e8b..a476bea17fbc 100644 --- a/kernel/sched/stats.c +++ b/kernel/sched/stats.c @@ -142,4 +142,4 @@ static int __init proc_schedstat_init(void) proc_create("schedstat", 0, NULL, &proc_schedstat_operations); return 0; } -module_init(proc_schedstat_init); +subsys_initcall(proc_schedstat_init); |