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Diffstat (limited to 'hw/vfio/migration.c')
-rw-r--r--hw/vfio/migration.c35
1 files changed, 0 insertions, 35 deletions
diff --git a/hw/vfio/migration.c b/hw/vfio/migration.c
index eafb778..384576c 100644
--- a/hw/vfio/migration.c
+++ b/hw/vfio/migration.c
@@ -395,40 +395,10 @@ static int vfio_load_device_config_state(QEMUFile *f, void *opaque)
return qemu_file_get_error(f);
}
-static int vfio_set_dirty_page_tracking(VFIODevice *vbasedev, bool start)
-{
- int ret;
- VFIOMigration *migration = vbasedev->migration;
- VFIOContainer *container = vbasedev->group->container;
- struct vfio_iommu_type1_dirty_bitmap dirty = {
- .argsz = sizeof(dirty),
- };
-
- if (start) {
- if (migration->device_state & VFIO_DEVICE_STATE_SAVING) {
- dirty.flags = VFIO_IOMMU_DIRTY_PAGES_FLAG_START;
- } else {
- return -EINVAL;
- }
- } else {
- dirty.flags = VFIO_IOMMU_DIRTY_PAGES_FLAG_STOP;
- }
-
- ret = ioctl(container->fd, VFIO_IOMMU_DIRTY_PAGES, &dirty);
- if (ret) {
- error_report("Failed to set dirty tracking flag 0x%x errno: %d",
- dirty.flags, errno);
- return -errno;
- }
- return ret;
-}
-
static void vfio_migration_cleanup(VFIODevice *vbasedev)
{
VFIOMigration *migration = vbasedev->migration;
- vfio_set_dirty_page_tracking(vbasedev, false);
-
if (migration->region.mmaps) {
vfio_region_unmap(&migration->region);
}
@@ -469,11 +439,6 @@ static int vfio_save_setup(QEMUFile *f, void *opaque)
return ret;
}
- ret = vfio_set_dirty_page_tracking(vbasedev, true);
- if (ret) {
- return ret;
- }
-
qemu_put_be64(f, VFIO_MIG_FLAG_END_OF_STATE);
ret = qemu_file_get_error(f);