On Tue, Oct 30, 2018 at 11:31:04AM +0000, Emil Velikov wrote: > HI Gerd, > > On Tue, 30 Oct 2018 at 06:11, Gerd Hoffmann <kraxel@xxxxxxxxxx> wrote: > > > > Hi, > > > > > The execbuffer IOCTL is now read-write to allow the userspace to read the > > > out-fence. > > > > > #define DRM_IOCTL_VIRTGPU_EXECBUFFER \ > > > - DRM_IOW(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ > > > + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ > > > struct drm_virtgpu_execbuffer) > > > > That changes the ioctl number and breaks the userspace api. > > > Have you looked at the drm_ioctl() implementation? AFAICT it > explicitly caters for this kind of changes. Looking ... The direction bits are not used to lookup the ioctl functions, so it should work indeed. Series doesn't apply to drm-misc-next and needs a rebase. cheers, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization