On 2026/1/7 17:42, Cornelia Huck wrote:
On Wed, Jan 07 2026, Honglei Huang <[email protected]> wrote:
Add support for the USE_USERPTR blob flag in virtio-gpu to enable
user pointer mapping for blob resources. This allows guest applications
to use user-allocated memory for GPU resources more efficiently.
Changes include:
- Add VIRTIO_GPU_BLOB_FLAG_USE_USERPTR flag definition
- Enhance blob resource creation to handle userptr flag properly
- Remove arbitrary nr_entries limit (16384) in mapping creation
- Add conditional handling for userptr vs regular blob mapping
- Support guest_blob_mapped parameter for virgl renderer
- Fix value check issue in virtio-gpu
This enables more flexible memory management between guest and host
for GPU virtualization scenarios.
Signed-off-by: Honglei Huang <[email protected]>
---
hw/display/virtio-gpu.c | 7 -------
include/standard-headers/linux/virtio_gpu.h | 1 +
2 files changed, 1 insertion(+), 7 deletions(-)
Please split out any updates to the imported Linux headers into a
separate patch to be replaced by a headers sync (I thought checkpatch
would warn about that?)
Understood, will split the Linux headrs changes into a separate commit
in next version.
Really thanks for the reminding.
Regards,
Honglei
