On Thu, Sep 5, 2019 at 10:18 PM Gerd Hoffmann wrote:
>
> > +/* How many bytes left in this page. */
> > +static unsigned int rest_of_page(void *data)
> > +{
> > + return PAGE_SIZE - offset_in_page(data);
> > +}
>
> Not needed.
>
> > +/* Create sg_table from a vmalloc'd buffer. */
> > +static
> +/* How many bytes left in this page. */
> +static unsigned int rest_of_page(void *data)
> +{
> + return PAGE_SIZE - offset_in_page(data);
> +}
Not needed.
> +/* Create sg_table from a vmalloc'd buffer. */
> +static struct sg_table *vmalloc_to_sgt(char *data, uint32_t size, int
>
Userspace requested command buffer allocations could be too large
to make as a contiguous allocation. Use vmalloc if necessary to
satisfy those allocations.
Signed-off-by: David Riley
---
drivers/gpu/drm/virtio/virtgpu_ioctl.c | 4 +-
drivers/gpu/drm/virtio/virtgpu_vq.c| 114
