43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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From fd1e0723b0a7ad140d2bf7cd9154997d5ece2b37 Mon Sep 17 00:00:00 2001
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From: Christian Loehle <christian.loehle@arm.com>
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Date: Thu, 5 Sep 2024 10:26:44 +0100
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Subject: cpufreq: Remove SCHED_CPUFREQ_IOWAIT update
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Neither intel_pstate nor schedutil care for the flag anymore, so
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remove the update and flag definition.
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Signed-off-by: Christian Loehle <christian.loehle@arm.com>
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---
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include/linux/sched/cpufreq.h | 2 --
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kernel/sched/fair.c | 8 --------
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2 files changed, 10 deletions(-)
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--- a/include/linux/sched/cpufreq.h
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+++ b/include/linux/sched/cpufreq.h
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@@ -8,8 +8,6 @@
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* Interface between cpufreq drivers and the scheduler:
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*/
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-#define SCHED_CPUFREQ_IOWAIT (1U << 0)
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-
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#ifdef CONFIG_CPU_FREQ
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struct cpufreq_policy;
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--- a/kernel/sched/fair.c
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+++ b/kernel/sched/fair.c
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@@ -6768,14 +6768,6 @@ enqueue_task_fair(struct rq *rq, struct
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*/
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util_est_enqueue(&rq->cfs, p);
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- /*
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- * If in_iowait is set, the code below may not trigger any cpufreq
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- * utilization updates, so do it here explicitly with the IOWAIT flag
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- * passed.
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- */
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- if (p->in_iowait)
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- cpufreq_update_util(rq, SCHED_CPUFREQ_IOWAIT);
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-
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for_each_sched_entity(se) {
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if (se->on_rq)
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break;
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