linux-kernel - [PATCH V3 4/9] cpufreq: Don't set transition

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 19 Jul 2017 15:42:44 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rafael Wysocki <rjw@...ysocki.net>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Len Brown <lenb@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux@...inikbrodowski.net, linux-kernel@...r.kernel.org
Subject: [PATCH V3 4/9] cpufreq: Don't set transition_latency for setpolicy drivers

The transition_latency field isn't used for drivers with ->setpolicy()
callback present and there is no point setting it from the drivers.

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/intel_pstate.c | 1 -
 drivers/cpufreq/longrun.c      | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index b7fb8b7c980d..c1100a3e3325 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -2138,7 +2138,6 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy)
 	if (ret)
 		return ret;
 
-	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
 	if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE))
 		policy->policy = CPUFREQ_POLICY_PERFORMANCE;
 	else
diff --git a/drivers/cpufreq/longrun.c b/drivers/cpufreq/longrun.c
index 074971b12635..542aa9adba1a 100644
--- a/drivers/cpufreq/longrun.c
+++ b/drivers/cpufreq/longrun.c
@@ -270,7 +270,6 @@ static int longrun_cpu_init(struct cpufreq_policy *policy)
 	/* cpuinfo and default policy values */
 	policy->cpuinfo.min_freq = longrun_low_freq;
 	policy->cpuinfo.max_freq = longrun_high_freq;
-	policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
 	longrun_get_policy(policy);
 
 	return 0;
-- 
2.13.0.71.gd7076ec9c9cb