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irqchip/gic-v3-its: Update effective affinity on VPE mapping 

When setting the affinity of a VPE (either because we map or move
it), make sure the effective affinity is correctly reported back
to the core kernel.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
hifive-unleashed-5.1
Marc Zyngier 2017-10-19 10:11:34 +01:00
parent 3c1cceeb3d
commit 44c4c25e31
1 changed files with 6 additions and 0 deletions
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6
drivers/irqchip/irq-gic-v3-its.c
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@ -1178,11 +1178,13 @@ static void its_map_vm(struct its_node *its, struct its_vm *vm)
for (i = 0; i < vm->nr_vpes; i++) {
struct its_vpe *vpe = vm->vpes[i];
struct irq_data *d = irq_get_irq_data(vpe->irq);
/* Map the VPE to the first possible CPU */
vpe->col_idx = cpumask_first(cpu_online_mask);
its_send_vmapp(its, vpe, true);
its_send_vinvall(its, vpe);
irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx));
}
}
@ -2449,6 +2451,8 @@ static int its_vpe_set_affinity(struct irq_data *d,
its_vpe_db_proxy_move(vpe, from, cpu);
}
irq_data_update_effective_affinity(d, cpumask_of(cpu));
return IRQ_SET_MASK_OK_DONE;
}
@ -2797,6 +2801,8 @@ static int its_vpe_irq_domain_activate(struct irq_domain *domain,
its_send_vinvall(its, vpe);
}
irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx));
return 0;
}