The following commit has been merged into the sched/fifo branch of tip:
Commit-ID: a2bee0662f72fcbd248a424a1453dd946dcdaf3d
Gitweb: https://git.kernel.org/tip/a2bee0662f72fcbd248a424a1453dd946dcdaf3d
Author: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
AuthorDate: Tue, 21 Apr 2020 12:09:13 +02:00
Committer: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Mon, 15 Jun 2020 14:10:23 +02:00
sched,powerclamp: Convert to sched_set_fifo()
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@xxxxxxxxx
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Reviewed-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
drivers/thermal/intel/intel_powerclamp.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c
index f74b247..b0eb5ec 100644
--- a/drivers/thermal/intel/intel_powerclamp.c
+++ b/drivers/thermal/intel/intel_powerclamp.c
@@ -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);
|