On Fri, 2014-12-12 at 23:14 +0800, Feng Wu wrote: > Implement irq_set_vcpu_affinity for intel_ir_chip. > > Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx> > Reviewed-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> Acked-by: David.Woodhouse <David.Woodhouse@xxxxxxxxx> assuming a suitable answer to... > + vcpu_pi_info = (struct vcpu_data *)vcpu_info; > + memcpy(irte_pi, &ir_data->irte_entry, sizeof(struct irte)); > + > + irte_pi->urg = 0; > + irte_pi->vector = vcpu_pi_info->vector; > + irte_pi->pda_l = (vcpu_pi_info->pi_desc_addr >> > + (32 - PDA_LOW_BIT)) & ~(-1UL << PDA_LOW_BIT); > + irte_pi->pda_h = (vcpu_pi_info->pi_desc_addr >> 32) & > + ~(-1UL << PDA_HIGH_BIT); > + > + irte_pi->__reserved_1 = 0; > + irte_pi->__reserved_2 = 0; > + irte_pi->__reserved_3 = 0; > + irte_pi->__reserved_4 = 0; .... do we need a barrier here before we set this bit? > + irte_pi->pst = 1; > + > + modify_irte(&ir_data->irq_2_iommu, (struct irte *)irte_pi); -- dwmw2
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