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irqchip/gic-v3-its: Make its_send_vinvall operate on a single ITS
Currently, its_send_vinvall operates on all ITSs. As we're about to try and limit the amount of commands we send to ITSs that are not involved in dealing with a given VM, let's redefine that primitive so that it takes a target ITS as a parameter. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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@ -983,18 +983,12 @@ static void its_send_vmovp(struct its_vpe *vpe)
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raw_spin_unlock_irqrestore(&vmovp_lock, flags);
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raw_spin_unlock_irqrestore(&vmovp_lock, flags);
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}
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}
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static void its_send_vinvall(struct its_vpe *vpe)
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static void its_send_vinvall(struct its_node *its, struct its_vpe *vpe)
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{
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{
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struct its_cmd_desc desc;
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struct its_cmd_desc desc;
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struct its_node *its;
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desc.its_vinvall_cmd.vpe = vpe;
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desc.its_vinvall_cmd.vpe = vpe;
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its_send_single_vcommand(its, its_build_vinvall_cmd, &desc);
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list_for_each_entry(its, &its_nodes, entry) {
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if (!its->is_v4)
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continue;
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its_send_single_vcommand(its, its_build_vinvall_cmd, &desc);
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}
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}
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}
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/*
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/*
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@ -2466,6 +2460,18 @@ static void its_vpe_deschedule(struct its_vpe *vpe)
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}
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}
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}
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}
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static void its_vpe_invall(struct its_vpe *vpe)
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{
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struct its_node *its;
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list_for_each_entry(its, &its_nodes, entry) {
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if (!its->is_v4)
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continue;
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its_send_vinvall(its, vpe);
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}
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}
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static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
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static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
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{
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{
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struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
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struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
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@ -2481,7 +2487,7 @@ static int its_vpe_set_vcpu_affinity(struct irq_data *d, void *vcpu_info)
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return 0;
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return 0;
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case INVALL_VPE:
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case INVALL_VPE:
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its_send_vinvall(vpe);
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its_vpe_invall(vpe);
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return 0;
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return 0;
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default:
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default:
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@ -2710,11 +2716,19 @@ static int its_vpe_irq_domain_activate(struct irq_domain *domain,
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struct irq_data *d, bool early)
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struct irq_data *d, bool early)
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{
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{
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struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
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struct its_vpe *vpe = irq_data_get_irq_chip_data(d);
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struct its_node *its;
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/* Map the VPE to the first possible CPU */
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/* Map the VPE to the first possible CPU */
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vpe->col_idx = cpumask_first(cpu_online_mask);
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vpe->col_idx = cpumask_first(cpu_online_mask);
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its_send_vmapp(vpe, true);
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its_send_vmapp(vpe, true);
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its_send_vinvall(vpe);
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list_for_each_entry(its, &its_nodes, entry) {
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if (!its->is_v4)
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continue;
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its_send_vinvall(its, vpe);
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}
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return 0;
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return 0;
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}
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}
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