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authorTrond Myklebust <trond.myklebust@primarydata.com>2016-07-24 17:09:02 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2016-07-24 17:09:02 -0400
commit1592c4d62a89bbca895c568d65ce290dfbc36ecc (patch)
tree6b979bc02ded2ea7e644c34e6939ffbbb7ee001d /drivers/cpufreq/intel_pstate.c
parent668f455dac57050e33a43ff5fe006f6cd947fc65 (diff)
parentf0445670bd81cae9f46399d98fef5cd1622d9776 (diff)
Merge branch 'nfs-rdma'
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
-rw-r--r--drivers/cpufreq/intel_pstate.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index fe9dc17ea873..1fa1a32928d7 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1400,6 +1400,9 @@ static void intel_pstate_set_update_util_hook(unsigned int cpu_num)
{
struct cpudata *cpu = all_cpu_data[cpu_num];
+ if (cpu->update_util_set)
+ return;
+
/* Prevent intel_pstate_update_util() from using stale data. */
cpu->sample.time = 0;
cpufreq_add_update_util_hook(cpu_num, &cpu->update_util,
@@ -1440,8 +1443,6 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
if (!policy->cpuinfo.max_freq)
return -ENODEV;
- intel_pstate_clear_update_util_hook(policy->cpu);
-
pr_debug("set_policy cpuinfo.max %u policy->max %u\n",
policy->cpuinfo.max_freq, policy->max);