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amd-iommu: remove BUS_NOTIFY_BOUND_DRIVER handling

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Handling this event causes device assignment in KVM to fail because the
device gets re-attached as soon as the pci-stub registers as the driver
for the device.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
This commit is contained in:
Joerg Roedel 2009-06-09 10:54:18 +02:00
parent d2dd01de99
commit 29150078d7
1 changed files with 0 additions and 11 deletions
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11
arch/x86/kernel/amd_iommu.c
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@ -1145,17 +1145,6 @@ static int device_change_notifier(struct notifier_block *nb,
"to a non-dma-ops domain\n", dev_name(dev)); "to a non-dma-ops domain\n", dev_name(dev));
switch (action) { switch (action) {
case BUS_NOTIFY_BOUND_DRIVER:
if (domain)
goto out;
dma_domain = find_protection_domain(devid);
if (!dma_domain)
dma_domain = iommu->default_dom;
attach_device(iommu, &dma_domain->domain, devid);
DUMP_printk(KERN_INFO "AMD IOMMU: Using protection domain "
"%d for device %s\n",
dma_domain->domain.id, dev_name(dev));
break;
case BUS_NOTIFY_UNBOUND_DRIVER: case BUS_NOTIFY_UNBOUND_DRIVER:
if (!domain) if (!domain)
goto out; goto out;