Messages in this thread | | | Date | Sat, 3 Nov 2018 16:06:04 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v3] genirq/matrix: Choose CPU for managed IRQs based on how many of them are allocated |
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Long,
On Fri, 2 Nov 2018, Long Li wrote: > /** > * irq_matrix_assign_system - Assign system wide entry in the matrix > * @m: Matrix pointer > @@ -269,7 +291,7 @@ int irq_matrix_alloc_managed(struct irq_matrix *m, const struct cpumask *msk, > if (cpumask_empty(msk)) > return -EINVAL; > > - cpu = matrix_find_best_cpu(m, msk); > + cpu = matrix_find_best_cpu_managed(m, msk); > if (cpu == UINT_MAX) > return -ENOSPC; > > @@ -282,6 +304,7 @@ int irq_matrix_alloc_managed(struct irq_matrix *m, const struct cpumask *msk, > return -ENOSPC; > set_bit(bit, cm->alloc_map); > cm->allocated++; > + cm->managed_allocated++; > m->total_allocated++; > *mapped_cpu = cpu; > trace_irq_matrix_alloc_managed(bit, cpu, m, cm);
so far so good. But what exactly decrements managed_allocated ?
Thanks,
tglx
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