The virtio config space doesn't get saved across hibernation; we save it locally and update it after restore.
Signed-off-by: Amit Shah <[email protected]> --- drivers/virtio/virtio_pci.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 579681f..9c37561 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -56,6 +56,10 @@ struct virtio_pci_device unsigned msix_vectors; /* Vectors allocated, excluding per-vq vectors if any */ unsigned msix_used_vectors; + + /* Status saved during hibernate/restore */ + u8 saved_status; + /* Whether we have vector per vq */ bool per_vq_vectors; }; @@ -713,6 +717,7 @@ static int virtio_pci_freeze(struct device *dev) drv = container_of(vp_dev->vdev.dev.driver, struct virtio_driver, driver); + vp_dev->saved_status = vp_get_status(&vp_dev->vdev); if (drv && drv->freeze) return drv->freeze(&vp_dev->vdev); @@ -728,6 +733,7 @@ static int virtio_pci_restore(struct device *dev) drv = container_of(vp_dev->vdev.dev.driver, struct virtio_driver, driver); + vp_set_status(&vp_dev->vdev, vp_dev->saved_status); if (drv && drv->restore) return drv->restore(&vp_dev->vdev); -- 1.7.6 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
