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| author |   Dietmar Eggemann <dietmar.eggemann@arm.com> | 2022-03-02 19:34:28 +0100 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-03-08 16:08:38 +0100 |
| commit | eb77cf1c151c4a1c2147cbf24d84bcf0ba504e7c (patch) | |
| tree | 648cda89d361b95d2841cd8fcd0d63dfbb3fa492 /kernel | |
| parent | sched/tracing: Report TASK_RTLOCK_WAIT tasks as TASK_UNINTERRUPTIBLE (diff) | |
| download | linux-dev-eb77cf1c151c4a1c2147cbf24d84bcf0ba504e7c.tar.xz linux-dev-eb77cf1c151c4a1c2147cbf24d84bcf0ba504e7c.zip | |
sched/deadline: Remove unused def_dl_bandwidth
Since commit 1724813d9f2c ("sched/deadline: Remove the sysctl_sched_dl
knobs") the default deadline bandwidth control structure has no purpose.
Remove it.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lore.kernel.org/r/20220302183433.333029-2-dietmar.eggemann@arm.com
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 1 | ||||
| -rw-r--r-- | kernel/sched/deadline.c | 7 | ||||
| -rw-r--r-- | kernel/sched/sched.h | 1 |
3 files changed, 0 insertions, 9 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 3aafc15da24a..d342c4c779f7 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -9420,7 +9420,6 @@ void __init sched_init(void) #endif /* CONFIG_CPUMASK_OFFSTACK */ init_rt_bandwidth(&def_rt_bandwidth, global_rt_period(), global_rt_runtime()); - init_dl_bandwidth(&def_dl_bandwidth, global_rt_period(), global_rt_runtime()); #ifdef CONFIG_SMP init_defrootdomain(); diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 62f0cf842277..ed4251fa87c7 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -18,8 +18,6 @@ #include "sched.h" #include "pelt.h" -struct dl_bandwidth def_dl_bandwidth; - static inline struct task_struct *dl_task_of(struct sched_dl_entity *dl_se) { return container_of(dl_se, struct task_struct, dl); @@ -423,12 +421,10 @@ void init_dl_bandwidth(struct dl_bandwidth *dl_b, u64 period, u64 runtime) void init_dl_bw(struct dl_bw *dl_b) { raw_spin_lock_init(&dl_b->lock); - raw_spin_lock(&def_dl_bandwidth.dl_runtime_lock); if (global_rt_runtime() == RUNTIME_INF) dl_b->bw = -1; else dl_b->bw = to_ratio(global_rt_period(), global_rt_runtime()); - raw_spin_unlock(&def_dl_bandwidth.dl_runtime_lock); dl_b->total_bw = 0; } @@ -2731,9 +2727,6 @@ void sched_dl_do_global(void) int cpu; unsigned long flags; - def_dl_bandwidth.dl_period = global_rt_period(); - def_dl_bandwidth.dl_runtime = global_rt_runtime(); - if (global_rt_runtime() != RUNTIME_INF) new_bw = to_ratio(global_rt_period(), global_rt_runtime()); diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 3da5718cd641..a8b8516b8452 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2333,7 +2333,6 @@ 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 struct dl_bandwidth def_dl_bandwidth; 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); extern void init_dl_inactive_task_timer(struct sched_dl_entity *dl_se); |