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Commit 44c4c25e authored by Marc Zyngier's avatar Marc Zyngier
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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: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 3c1cceeb

drivers/irqchip/irq-gic-v3-its.c

+6 −0
Original line number Diff line number Diff line
@@ -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;

}