diff options
Diffstat (limited to 'arch/arm/common/bL_switcher.c')
| -rw-r--r-- | arch/arm/common/bL_switcher.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c index 57f3b7512636..d1e82a318e3b 100644 --- a/arch/arm/common/bL_switcher.c +++ b/arch/arm/common/bL_switcher.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * arch/arm/common/bL_switcher.c -- big.LITTLE cluster switcher core driver * * Created by: Nicolas Pitre, March 2012 * Copyright: (C) 2012-2013 Linaro Limited - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/atomic.h> @@ -273,12 +270,11 @@ static struct bL_thread bL_threads[NR_CPUS]; static int bL_switcher_thread(void *arg) { struct bL_thread *t = arg; - struct sched_param param = { .sched_priority = 1 }; int cluster; bL_switch_completion_handler completer; void *completer_cookie; - sched_setscheduler_nocheck(current, SCHED_FIFO, ¶m); + sched_set_fifo_low(current); complete(&t->started); do { @@ -311,13 +307,11 @@ static struct task_struct *bL_switcher_thread_create(int cpu, void *arg) { struct task_struct *task; - task = kthread_create_on_node(bL_switcher_thread, arg, - cpu_to_node(cpu), "kswitcher_%d", cpu); - if (!IS_ERR(task)) { - kthread_bind(task, cpu); - wake_up_process(task); - } else + task = kthread_run_on_cpu(bL_switcher_thread, arg, + cpu, "kswitcher_%d"); + if (IS_ERR(task)) pr_err("%s failed for CPU %d\n", __func__, cpu); + return task; } @@ -542,16 +536,14 @@ static void bL_switcher_trace_trigger_cpu(void *__always_unused info) int bL_switcher_trace_trigger(void) { - int ret; - preempt_disable(); bL_switcher_trace_trigger_cpu(NULL); - ret = smp_call_function(bL_switcher_trace_trigger_cpu, NULL, true); + smp_call_function(bL_switcher_trace_trigger_cpu, NULL, true); preempt_enable(); - return ret; + return 0; } EXPORT_SYMBOL_GPL(bL_switcher_trace_trigger); |