On Wed, Feb 24, 2021 at 10:24:41AM -0800, Si-Wei Liu wrote: > > Detecting it isn't enough though, we will need a new ioctl to notify > > the kernel that it's a legacy guest. Ugh :( > Well, although I think adding an ioctl is doable, may I know what the use > case there will be for kernel to leverage such info directly? Is there a > case QEMU can't do with dedicate ioctls later if there's indeed > differentiation (legacy v.s. modern) needed? BTW a good API could be #define VHOST_SET_ENDIAN _IOW(VHOST_VIRTIO, ?, int) #define VHOST_GET_ENDIAN _IOW(VHOST_VIRTIO, ?, int) we did it per vring but maybe that was a mistake ... -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
