diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 4efdc501bcab..843bb056b8c6 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -61,7 +61,6 @@ enum cpuhp_state { CPUHP_LUSTRE_CFS_DEAD, CPUHP_AP_ARM_CACHE_B15_RAC_DEAD, CPUHP_PADATA_DEAD, - CPUHP_RANDOM_PREPARE, CPUHP_WORKQUEUE_PREP, CPUHP_POWER_NUMA_PREPARE, CPUHP_HRTIMERS_PREPARE, @@ -188,7 +187,6 @@ enum cpuhp_state { CPUHP_AP_PERF_POWERPC_HV_GPCI_ONLINE, CPUHP_AP_WATCHDOG_ONLINE, CPUHP_AP_WORKQUEUE_ONLINE, - CPUHP_AP_RANDOM_ONLINE, CPUHP_AP_RCUTREE_ONLINE, CPUHP_AP_BASE_CACHEINFO_ONLINE, CPUHP_AP_ONLINE_DYN, diff --git a/kernel/cpu.c b/kernel/cpu.c index f9e503ecc363..90d09bafecf6 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1862,6 +1862,20 @@ core_initcall(cpu_hotplug_pm_sync_init); int __boot_cpu_id; +/* Horrific hacks because we can't add more to cpuhp_hp_states. */ +static int random_and_perf_prepare_fusion(unsigned int cpu) +{ + perf_event_init_cpu(cpu); + random_prepare_cpu(cpu); + return 0; +} +static int random_and_workqueue_online_fusion(unsigned int cpu) +{ + workqueue_online_cpu(cpu); + random_online_cpu(cpu); + return 0; +} + #endif /* CONFIG_SMP */ /* Boot processor state steps */ @@ -1880,14 +1894,9 @@ static struct cpuhp_step cpuhp_hp_states[] = { }, [CPUHP_PERF_PREPARE] = { .name = "perf:prepare", - .startup.single = perf_event_init_cpu, + .startup.single = random_and_perf_prepare_fusion, .teardown.single = perf_event_exit_cpu, }, - [CPUHP_RANDOM_PREPARE] = { - .name = "random:prepare", - .startup.single = random_prepare_cpu, - .teardown.single = NULL, - }, [CPUHP_WORKQUEUE_PREP] = { .name = "workqueue:prepare", .startup.single = workqueue_prepare_cpu, @@ -2001,14 +2010,9 @@ static struct cpuhp_step cpuhp_hp_states[] = { }, [CPUHP_AP_WORKQUEUE_ONLINE] = { .name = "workqueue:online", - .startup.single = workqueue_online_cpu, + .startup.single = random_and_workqueue_online_fusion, .teardown.single = workqueue_offline_cpu, }, - [CPUHP_AP_RANDOM_ONLINE] = { - .name = "random:online", - .startup.single = random_online_cpu, - .teardown.single = NULL, - }, [CPUHP_AP_RCUTREE_ONLINE] = { .name = "RCU/tree:online", .startup.single = rcutree_online_cpu,