On Tue, Feb 18, 2025 at 10:53:55AM -0800, Nicolin Chen wrote: > > > Is MEV available only in nested mode? Otherwise it perhaps makes > > > sense to turn it on in all configurations in IOMMUFD paths... > > > > I think the arm-smmu-v3's iommufd implementation only supports nested > > which could be the reason. > > I guess what Kevin says is that non-nested STE should set the MEV > as well, e.g. BYPASS and ABORT, and perhaps stage-1-only case too > where the attaching domain = UNMANAGED. > Ohh okay, got it. Thanks! Praan
