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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
commitb50fb7c99217922ea36d6e38bae34d84c0587cad (patch)
tree5f46167ac7fe5cd87bbed8ca8644f32befc5bbae /kernel/sched/cpufreq_schedutil.c
parent04c848d398797a626608ff48804d809ae6687163 (diff)
parent41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff)
Merge branch 'linus' into irq/core
Get upstream changes so pending patches won't conflict.
Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
-rw-r--r--kernel/sched/cpufreq_schedutil.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 76877a62b5fa..076a2e31951c 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -101,9 +101,6 @@ static void sugov_update_commit(struct sugov_policy *sg_policy, u64 time,
if (sg_policy->next_freq == next_freq)
return;
- if (sg_policy->next_freq > next_freq)
- next_freq = (sg_policy->next_freq + next_freq) >> 1;
-
sg_policy->next_freq = next_freq;
sg_policy->last_freq_update_time = time;
@@ -245,11 +242,10 @@ static void sugov_update_single(struct update_util_data *hook, u64 time,
sugov_update_commit(sg_policy, time, next_f);
}
-static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu)
+static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu, u64 time)
{
struct sugov_policy *sg_policy = sg_cpu->sg_policy;
struct cpufreq_policy *policy = sg_policy->policy;
- u64 last_freq_update_time = sg_policy->last_freq_update_time;
unsigned long util = 0, max = 1;
unsigned int j;
@@ -265,7 +261,7 @@ static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu)
* enough, don't take the CPU into account as it probably is
* idle now (and clear iowait_boost for it).
*/
- delta_ns = last_freq_update_time - j_sg_cpu->last_update;
+ delta_ns = time - j_sg_cpu->last_update;
if (delta_ns > TICK_NSEC) {
j_sg_cpu->iowait_boost = 0;
continue;
@@ -309,7 +305,7 @@ static void sugov_update_shared(struct update_util_data *hook, u64 time,
if (flags & SCHED_CPUFREQ_RT_DL)
next_f = sg_policy->policy->cpuinfo.max_freq;
else
- next_f = sugov_next_freq_shared(sg_cpu);
+ next_f = sugov_next_freq_shared(sg_cpu, time);
sugov_update_commit(sg_policy, time, next_f);
}