linux-kernel - [PATCH 2/3] sched/uclamp: Rename uclamp_util_*() into uclamp_rq_util

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, 20 Nov 2019 17:55:32 +0000
From:   Valentin Schneider <valentin.schneider@....com>
To:     linux-kernel@...r.kernel.org
Cc:     peterz@...radead.org, mingo@...nel.org, vincent.guittot@...aro.org,
        dietmar.eggemann@....com, patrick.bellasi@...bug.net,
        qperret@...gle.com, qais.yousef@....com, morten.rasmussen@....com
Subject: [PATCH 2/3] sched/uclamp: Rename uclamp_util_*() into uclamp_rq_util_*()

The current helpers return (CPU) rq utilization with uclamp restrictions
taken into account. As I'm about to introduce a task clamped utilization
variant, make it explicit that those deal with runqueues.

Signed-off-by: Valentin Schneider <valentin.schneider@....com>
---
 kernel/sched/cpufreq_schedutil.c |  2 +-
 kernel/sched/sched.h             | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 86800b4d5453..9deb3a13416d 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -240,7 +240,7 @@ unsigned long schedutil_cpu_util(int cpu, unsigned long util_cfs,
 	 */
 	util = util_cfs + cpu_util_rt(rq);
 	if (type == FREQUENCY_UTIL)
-		util = uclamp_util_with(rq, util, p);
+		util = uclamp_rq_util_with(rq, util, p);
 
 	dl_util = cpu_util_dl(rq);
 
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index f1d035e5df7e..900328c4eeef 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2303,8 +2303,8 @@ static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) {}
 unsigned int uclamp_eff_value(struct task_struct *p, enum uclamp_id clamp_id);
 
 static __always_inline
-unsigned long uclamp_util_with(struct rq *rq, unsigned long util,
-			       struct task_struct *p)
+unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
+				  struct task_struct *p)
 {
 	unsigned long min_util = READ_ONCE(rq->uclamp[UCLAMP_MIN].value);
 	unsigned long max_util = READ_ONCE(rq->uclamp[UCLAMP_MAX].value);
@@ -2325,17 +2325,17 @@ unsigned long uclamp_util_with(struct rq *rq, unsigned long util,
 	return clamp(util, min_util, max_util);
 }
 
-static inline unsigned long uclamp_util(struct rq *rq, unsigned long util)
+static inline unsigned long uclamp_rq_util(struct rq *rq, unsigned long util)
 {
-	return uclamp_util_with(rq, util, NULL);
+	return uclamp_rq_util_with(rq, util, NULL);
 }
 #else /* CONFIG_UCLAMP_TASK */
-static inline unsigned long uclamp_util_with(struct rq *rq, unsigned long util,
-					     struct task_struct *p)
+static inline unsigned long uclamp_rq_util_with(struct rq *rq, unsigned long util,
+						struct task_struct *p)
 {
 	return util;
 }
-static inline unsigned long uclamp_util(struct rq *rq, unsigned long util)
+static inline unsigned long uclamp_rq_util(struct rq *rq, unsigned long util)
 {
 	return util;
 }
-- 
2.22.0