linux-kernel - [RFC PATCH 4/7] sched: Initialize per cpu thermal pressure structure

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:   Tue,  9 Oct 2018 12:24:59 -0400
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     linux-kernel@...r.kernel.org, mingo@...hat.com,
        peterz@...radead.org, rui.zhang@...el.com
Cc:     gregkh@...uxfoundation.org, rafael@...nel.org,
        amit.kachhap@...il.com, viresh.kumar@...aro.org,
        javi.merino@...nel.org, edubezval@...il.com,
        daniel.lezcano@...aro.org, linux-pm@...r.kernel.org,
        quentin.perret@....com, ionela.voinescu@....com,
        vincent.guittot@...aro.org
Subject: [RFC PATCH 4/7] sched: Initialize per cpu thermal pressure structure

Initialize per cpu max_capacity_info during scheduler init.

Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
---
 drivers/base/arch_topology.c | 1 +
 kernel/sched/core.c          | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index e7cb0c6..542745f 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -126,6 +126,7 @@ void topology_normalize_cpu_scale(void)
 		pr_debug("cpu_capacity: CPU%d cpu_capacity=%lu\n",
 			cpu, topology_get_cpu_scale(NULL, cpu));
 	}
+	populate_max_capacity_info();
 	mutex_unlock(&cpu_scale_mutex);
 }
 
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 625bc98..f0eed1a 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5868,6 +5868,8 @@ void __init sched_init_smp(void)
 	init_sched_rt_class();
 	init_sched_dl_class();
 
+	populate_max_capacity_info();
+
 	sched_smp_initialized = true;
 }
 
-- 
2.1.4