| From | David Carrillo-Cisneros <> | Date | Wed, 13 Jul 2016 17:40:59 -0700 | Subject | Re: [PATCH 06/32] x86/intel_rdt: Hot cpu support for Cache Allocation |
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> +static inline void intel_rdt_cpu_start(int cpu) > +{ > + struct intel_pqr_state *state = &per_cpu(pqr_state, cpu); > + > + state->closid = 0; > + mutex_lock(&rdt_group_mutex); > + if (rdt_cpumask_update(cpu)) > + smp_call_function_single(cpu, cbm_update_msrs, NULL, 1); > + mutex_unlock(&rdt_group_mutex);
what happens if cpu's with a cache_id not available at boot comes online?
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