[IA64] Add support for vector domain

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / msi_ia64.c

diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index c81080df70df47244579c1edeebef9969b6769bd..1d22670cc88b20fcd572172a97c88443571748dc 100644 (file)
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -52,6 +52,11 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
        struct msi_msg msg;
        u32 addr;
 
+       /* IRQ migration across domain is not supported yet */
+       cpus_and(cpu_mask, cpu_mask, irq_to_domain(irq));
+       if (cpus_empty(cpu_mask))
+               return;
+
        read_msi_msg(irq, &msg);
 
        addr = msg.address_lo;
@@ -69,13 +74,15 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
        struct msi_msg  msg;
        unsigned long   dest_phys_id;
        int     irq, vector;
+       cpumask_t mask;
 
        irq = create_irq();
        if (irq < 0)
                return irq;
 
        set_irq_msi(irq, desc);
-       dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map));
+       cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+       dest_phys_id = cpu_physical_id(first_cpu(mask));
        vector = irq_to_vector(irq);
 
        msg.address_hi = 0;