1 files changed, 5 insertions, 65 deletions

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c65484b471c6..266bdaf0ce44 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -47,10 +47,6 @@
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 
-#ifdef CONFIG_X86
-#include <asm/msidef.h>
-#endif
-
 #ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
 #include "coalesced_mmio.h"
 #endif
@@ -85,57 +81,6 @@ static long kvm_vcpu_ioctl(struct file *file, unsigned int ioctl,
 static bool kvm_rebooting;
 
 #ifdef KVM_CAP_DEVICE_ASSIGNMENT
-
-#ifdef CONFIG_X86
-static void assigned_device_msi_dispatch(struct kvm_assigned_dev_kernel *dev)
-{
-        int vcpu_id;
-        struct kvm_vcpu *vcpu;
-        struct kvm_ioapic *ioapic = ioapic_irqchip(dev->kvm);
-        int dest_id = (dev->guest_msi.address_lo & MSI_ADDR_DEST_ID_MASK)
-                        >> MSI_ADDR_DEST_ID_SHIFT;
-        int vector = (dev->guest_msi.data & MSI_DATA_VECTOR_MASK)
-                        >> MSI_DATA_VECTOR_SHIFT;
-        int dest_mode = test_bit(MSI_ADDR_DEST_MODE_SHIFT,
-                                (unsigned long *)&dev->guest_msi.address_lo);
-        int trig_mode = test_bit(MSI_DATA_TRIGGER_SHIFT,
-                                (unsigned long *)&dev->guest_msi.data);
-        int delivery_mode = test_bit(MSI_DATA_DELIVERY_MODE_SHIFT,
-                                (unsigned long *)&dev->guest_msi.data);
-        u32 deliver_bitmask;
-
-        BUG_ON(!ioapic);
-
-        deliver_bitmask = kvm_ioapic_get_delivery_bitmask(ioapic,
-                                dest_id, dest_mode);
-        /* IOAPIC delivery mode value is the same as MSI here */
-        switch (delivery_mode) {
-        case IOAPIC_LOWEST_PRIORITY:
-                vcpu = kvm_get_lowest_prio_vcpu(ioapic->kvm, vector,
-                                deliver_bitmask);
-                if (vcpu != NULL)
-                        kvm_apic_set_irq(vcpu, vector, trig_mode);
-                else
-                        printk(KERN_INFO "kvm: null lowest priority vcpu!\n");
-                break;
-        case IOAPIC_FIXED:
-                for (vcpu_id = 0; deliver_bitmask != 0; vcpu_id++) {
-                        if (!(deliver_bitmask & (1 << vcpu_id)))
-                                continue;
-                        deliver_bitmask &= ~(1 << vcpu_id);
-                        vcpu = ioapic->kvm->vcpus[vcpu_id];
-                        if (vcpu)
-                                kvm_apic_set_irq(vcpu, vector, trig_mode);
-                }
-                break;
-        default:
-                printk(KERN_INFO "kvm: unsupported MSI delivery mode\n");
-        }
-}
-#else
-static void assigned_device_msi_dispatch(struct kvm_assigned_dev_kernel *dev) {}
-#endif
-
 static struct kvm_assigned_dev_kernel *kvm_find_assigned_dev(struct list_head *head,
                                                       int assigned_dev_id)
 {
@@ -162,13 +107,10 @@ static void kvm_assigned_dev_interrupt_work_handler(struct work_struct *work)
          * finer-grained lock, update this
          */
         mutex_lock(&assigned_dev->kvm->lock);
-        if (assigned_dev->irq_requested_type & KVM_ASSIGNED_DEV_GUEST_INTX)
-                kvm_set_irq(assigned_dev->kvm,
-                            assigned_dev->irq_source_id,
-                            assigned_dev->guest_irq, 1);
-        else if (assigned_dev->irq_requested_type &
-                                KVM_ASSIGNED_DEV_GUEST_MSI) {
-                assigned_device_msi_dispatch(assigned_dev);
+        kvm_set_irq(assigned_dev->kvm, assigned_dev->irq_source_id,
+                    assigned_dev->guest_irq, 1);
+
+        if (assigned_dev->irq_requested_type & KVM_ASSIGNED_DEV_GUEST_MSI) {
                 enable_irq(assigned_dev->host_irq);
                 assigned_dev->host_irq_disabled = false;
         }
@@ -331,17 +273,15 @@ static int assigned_device_update_msi(struct kvm *kvm,
 {
         int r;
 
+        adev->guest_irq = airq->guest_irq;
         if (airq->flags & KVM_DEV_IRQ_ASSIGN_ENABLE_MSI) {
                 /* x86 don't care upper address of guest msi message addr */
                 adev->irq_requested_type |= KVM_ASSIGNED_DEV_GUEST_MSI;
                 adev->irq_requested_type &= ~KVM_ASSIGNED_DEV_GUEST_INTX;
-                adev->guest_msi.address_lo = airq->guest_msi.addr_lo;
-                adev->guest_msi.data = airq->guest_msi.data;
                 adev->ack_notifier.gsi = -1;
         } else if (msi2intx) {
                 adev->irq_requested_type |= KVM_ASSIGNED_DEV_GUEST_INTX;
                 adev->irq_requested_type &= ~KVM_ASSIGNED_DEV_GUEST_MSI;
-                adev->guest_irq = airq->guest_irq;
                 adev->ack_notifier.gsi = airq->guest_irq;
         } else {
                 /*