diff options
Diffstat (limited to 'arch/x86/kernel/cpu/resctrl/rdtgroup.c')
| -rw-r--r-- | arch/x86/kernel/cpu/resctrl/rdtgroup.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index 5bd3d8fb3f67..777e9f680332 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -4029,7 +4029,9 @@ static void clear_childcpus(struct rdtgroup *r, unsigned int cpu) void resctrl_offline_cpu(unsigned int cpu) { + struct rdt_resource *l3 = &rdt_resources_all[RDT_RESOURCE_L3].r_resctrl; struct rdtgroup *rdtgrp; + struct rdt_domain *d; lockdep_assert_held(&rdtgroup_mutex); @@ -4039,6 +4041,22 @@ void resctrl_offline_cpu(unsigned int cpu) break; } } + + if (!l3->mon_capable) + return; + + d = get_domain_from_cpu(cpu, l3); + if (d) { + if (is_mbm_enabled() && cpu == d->mbm_work_cpu) { + cancel_delayed_work(&d->mbm_over); + mbm_setup_overflow_handler(d, 0, cpu); + } + if (is_llc_occupancy_enabled() && cpu == d->cqm_work_cpu && + has_busy_rmid(d)) { + cancel_delayed_work(&d->cqm_limbo); + cqm_setup_limbo_handler(d, 0, cpu); + } + } } /* |