On Wed, Nov 23, 2022 at 04:30:23PM +0800, Yi Liu wrote: > On 2022/11/17 05:00, Jason Gunthorpe wrote: > > This queries if a domain linked to a device should expect to support > > enforce_cache_coherency() so iommufd can negotiate the rules for when a > > domain should be shared or not. > > > > For iommufd a device that declares IOMMU_CAP_ENFORCE_CACHE_COHERENCY will > > not be attached to a domain that does not support it. > > > > Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx> > > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx> > > Tested-by: Nicolin Chen <nicolinc@xxxxxxxxxx> > > Tested-by: Yi Liu <yi.l.liu@xxxxxxxxx> > > Tested-by: Lixiao Yang <lixiao.yang@xxxxxxxxx> > > Tested-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx> > > looks like Yu He's test-by was missed. :-) She has given it in below link. Oops, I fixed it thanks Jason