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sched,powerclamp: Convert to sched_set_fifo()

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Because SCHED_FIFO is a broken scheduler model (see previous patches)
take away the priority field, the kernel can't possibly make an
informed decision.

Effectively no change.

Cc: rafael.j.wysocki@intel.com
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2020-04-21 12:09:13 +02:00
parent 9309de08f1
commit a2bee0662f
1 changed files with 1 additions and 4 deletions
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5
drivers/thermal/intel/intel_powerclamp.c
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@ -70,9 +70,6 @@ static unsigned int control_cpu; /* The cpu assigned to collect stat and update
*/
static bool clamping;
static const struct sched_param sparam = {
.sched_priority = MAX_USER_RT_PRIO / 2,
};
struct powerclamp_worker_data {
struct kthread_worker *worker;
struct kthread_work balancing_work;
@ -488,7 +485,7 @@ static void start_power_clamp_worker(unsigned long cpu)
w_data->cpu = cpu;
w_data->clamping = true;
set_bit(cpu, cpu_clamping_mask);
sched_setscheduler(worker->task, SCHED_FIFO, &sparam);
sched_set_fifo(worker->task);
kthread_init_work(&w_data->balancing_work, clamp_balancing_func);
kthread_init_delayed_work(&w_data->idle_injection_work,
clamp_idle_injection_func);