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sched/topology: Remove root_domain::max_cpu_capacity
The value is no longer used as we now keep track of max_allowed_capacity for each task instead. Signed-off-by: Qais Yousef <qyousef@layalina.io> Signed-off-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Vincent Guittot <vincent.guittot@linaro.org> Link: https://lore.kernel.org/r/20240324004552.999936-4-qyousef@layalina.io
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2 changed files with 2 additions and 13 deletions
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@ -917,8 +917,6 @@ struct root_domain {
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cpumask_var_t rto_mask;
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struct cpupri cpupri;
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unsigned long max_cpu_capacity;
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/*
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* NULL-terminated list of performance domains intersecting with the
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* CPUs of the rd. Protected by RCU.
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@ -2514,16 +2514,9 @@ build_sched_domains(const struct cpumask *cpu_map, struct sched_domain_attr *att
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/* Attach the domains */
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rcu_read_lock();
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for_each_cpu(i, cpu_map) {
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unsigned long capacity;
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rq = cpu_rq(i);
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sd = *per_cpu_ptr(d.sd, i);
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capacity = arch_scale_cpu_capacity(i);
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/* Use READ_ONCE()/WRITE_ONCE() to avoid load/store tearing: */
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if (capacity > READ_ONCE(d.rd->max_cpu_capacity))
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WRITE_ONCE(d.rd->max_cpu_capacity, capacity);
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cpu_attach_domain(sd, d.rd, i);
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if (lowest_flag_domain(i, SD_CLUSTER))
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@ -2537,10 +2530,8 @@ build_sched_domains(const struct cpumask *cpu_map, struct sched_domain_attr *att
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if (has_cluster)
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static_branch_inc_cpuslocked(&sched_cluster_active);
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if (rq && sched_debug_verbose) {
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pr_info("root domain span: %*pbl (max cpu_capacity = %lu)\n",
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cpumask_pr_args(cpu_map), rq->rd->max_cpu_capacity);
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}
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if (rq && sched_debug_verbose)
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pr_info("root domain span: %*pbl\n", cpumask_pr_args(cpu_map));
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ret = 0;
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error:
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