genirq: Add affinity hint to irq allocation

Add an extra argument to the irq(domain) allocation functions, so we can hand
down affinity hints to the allocator. Thats necessary to implement proper
support for multiqueue devices.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: linux-block@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: linux-nvme@lists.infradead.org
Cc: axboe@fb.com
Cc: agordeev@redhat.com
Link: http://lkml.kernel.org/r/1467621574-8277-4-git-send-email-hch@lst.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 446702ed99dc..7c4f90dd4c2a 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -981,7 +981,7 @@ static int alloc_irq_from_domain(struct irq_domain *domain, int ioapic, u32 gsi,
 
         return __irq_domain_alloc_irqs(domain, irq, 1,
                                        ioapic_alloc_attr_node(info),
-                                       info, legacy);
+                                       info, legacy, NULL);
 }
 
 /*
@@ -1014,7 +1014,8 @@ static int alloc_isa_irq_from_domain(struct irq_domain *domain,
                                           info->ioapic_pin))
                         return -ENOMEM;
         } else {
-                irq = __irq_domain_alloc_irqs(domain, irq, 1, node, info, true);
+                irq = __irq_domain_alloc_irqs(domain, irq, 1, node, info, true,
+                                              NULL);
                 if (irq >= 0) {
                         irq_data = irq_domain_get_irq_data(domain, irq);
                         data = irq_data->chip_data;