[v2] vdpa: do not save failed dma maps in SVQ iova tree

[PATCH v2 0/2] vdpa: do not save failed dma maps in SVQ iova tree

Eugenio Pérez posted 2 patches 3 years, 6 months ago

Diff against v1
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Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/qemu tags/patchew/20220804155443.671136-1-eperezma@redhat.com

Maintainers: "Michael S. Tsirkin" <mst@redhat.com>

hw/virtio/vhost-vdpa.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)

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[PATCH v2 0/2] vdpa: do not save failed dma maps in SVQ iova tree

Posted by Eugenio Pérez 3 years, 6 months ago

If a map fails for whatever reason, it must not be saved in the tree.
Otherwise, qemu will try to unmap it in cleanup, leaving to more errors.

v2: Do not dereference failed maps

Eugenio Pérez (2):
  vdpa: Skip the maps not in the iova tree
  vdpa: do not save failed dma maps in SVQ iova tree

 hw/virtio/vhost-vdpa.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

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2.31.1