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x86/resctrl: Use kthread_run_on_cpu()

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Use the proper API instead of open coding it.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Link: https://lore.kernel.org/r/20240807160228.26206-3-frederic@kernel.org
This commit is contained in:
Frederic Weisbecker 2024-08-07 18:02:08 +02:00 committed by Borislav Petkov (AMD)
parent fac04efc5c
commit 135eef38d7
1 changed files with 8 additions and 20 deletions
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28
arch/x86/kernel/cpu/resctrl/pseudo_lock.c
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@ -1205,20 +1205,14 @@ static int pseudo_lock_measure_cycles(struct rdtgroup *rdtgrp, int sel)
plr->cpu = cpu;
if (sel == 1)
thread = kthread_create_on_node(measure_cycles_lat_fn, plr,
cpu_to_node(cpu),
"pseudo_lock_measure/%u",
cpu);
thread = kthread_run_on_cpu(measure_cycles_lat_fn, plr,
cpu, "pseudo_lock_measure/%u");
else if (sel == 2)
thread = kthread_create_on_node(measure_l2_residency, plr,
cpu_to_node(cpu),
"pseudo_lock_measure/%u",
cpu);
thread = kthread_run_on_cpu(measure_l2_residency, plr,
cpu, "pseudo_lock_measure/%u");
else if (sel == 3)
thread = kthread_create_on_node(measure_l3_residency, plr,
cpu_to_node(cpu),
"pseudo_lock_measure/%u",
cpu);
thread = kthread_run_on_cpu(measure_l3_residency, plr,
cpu, "pseudo_lock_measure/%u");
else
goto out;
@ -1226,8 +1220,6 @@ static int pseudo_lock_measure_cycles(struct rdtgroup *rdtgrp, int sel)
ret = PTR_ERR(thread);
goto out;
}
kthread_bind(thread, cpu);
wake_up_process(thread);
ret = wait_event_interruptible(plr->lock_thread_wq,
plr->thread_done == 1);
@ -1315,18 +1307,14 @@ int rdtgroup_pseudo_lock_create(struct rdtgroup *rdtgrp)
plr->thread_done = 0;
thread = kthread_create_on_node(pseudo_lock_fn, rdtgrp,
cpu_to_node(plr->cpu),
"pseudo_lock/%u", plr->cpu);
thread = kthread_run_on_cpu(pseudo_lock_fn, rdtgrp,
plr->cpu, "pseudo_lock/%u");
if (IS_ERR(thread)) {
ret = PTR_ERR(thread);
rdt_last_cmd_printf("Locking thread returned error %d\n", ret);
goto out_cstates;
}
kthread_bind(thread, plr->cpu);
wake_up_process(thread);
ret = wait_event_interruptible(plr->lock_thread_wq,
plr->thread_done == 1);
if (ret < 0) {