Evolution-X-Devices/kernel_nothing_sm7325
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Revert "hrtimers: Handle CPU state correctly on hotplug"

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Causes sleep of death.

This reverts commit 95e4f62df2.

Change-Id: Id3e5f5a71b7d2d57aaa1b9bba7b4ef02221bdba7
This commit is contained in:
LuK1337
2025-04-26 12:23:19 +02:00
parent ef174b952e
commit 20d7404d1e
2 changed files with 1 additions and 11 deletions
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1
include/linux/hrtimer.h
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@@ -534,7 +534,6 @@ extern void __init hrtimers_init(void);
extern void sysrq_timer_list_show(void);
int hrtimers_prepare_cpu(unsigned int cpu);
int hrtimers_cpu_starting(unsigned int cpu);
#ifdef CONFIG_HOTPLUG_CPU
int hrtimers_dead_cpu(unsigned int cpu);
#else

11
kernel/time/hrtimer.c
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@@ -2073,15 +2073,6 @@ int hrtimers_prepare_cpu(unsigned int cpu)
}
cpu_base->cpu = cpu;
hrtimer_cpu_base_init_expiry_lock(cpu_base);
return 0;
}
int hrtimers_cpu_starting(unsigned int cpu)
{
struct hrtimer_cpu_base *cpu_base = this_cpu_ptr(&hrtimer_bases);
/* Clear out any left over state from a CPU down operation */
cpu_base->active_bases = 0;
cpu_base->hres_active = 0;
cpu_base->hang_detected = 0;
@@ -2089,6 +2080,7 @@ int hrtimers_cpu_starting(unsigned int cpu)
cpu_base->softirq_next_timer = NULL;
cpu_base->expires_next = KTIME_MAX;
cpu_base->softirq_expires_next = KTIME_MAX;
hrtimer_cpu_base_init_expiry_lock(cpu_base);
return 0;
}
@@ -2206,7 +2198,6 @@ void hrtimer_quiesce_cpu(void *cpup)
void __init hrtimers_init(void)
{
hrtimers_prepare_cpu(smp_processor_id());
hrtimers_cpu_starting(smp_processor_id());
open_softirq(HRTIMER_SOFTIRQ, hrtimer_run_softirq);
}