Re: [PATCH for 8.1 v2 4/6] vdpa: return errno in vhost_vdpa_get_vring_group error

On Fri, Mar 24, 2023 at 3:54 AM Eugenio Pérez wrote: > > We need to tell in the caller, as some errors are expected in a normal > workflow. In particular, parent drivers in recent kernels with > VHOST_BACKEND_F_IOTLB_ASID may not support vring groups. In that case, > -ENOTSUP is returned. > >

Re: [PATCH for 8.1 v2 4/6] vdpa: return errno in vhost_vdpa_get_vring_group error

On Thu, Mar 23, 2023 at 08:54:02PM +0100, Eugenio Pérez wrote: We need to tell in the caller, as some errors are expected in a normal workflow. In particular, parent drivers in recent kernels with VHOST_BACKEND_F_IOTLB_ASID may not support vring groups. In that case, -ENOTSUP is returned.

[PATCH for 8.1 v2 4/6] vdpa: return errno in vhost_vdpa_get_vring_group error

We need to tell in the caller, as some errors are expected in a normal workflow. In particular, parent drivers in recent kernels with VHOST_BACKEND_F_IOTLB_ASID may not support vring groups. In that case, -ENOTSUP is returned. This is the case of vp_vdpa in Linux 6.2. Next patches in this