Hi Lu, On Thu, Nov 19, 2020 at 10:32:43AM +0800, Lu Baolu wrote: > On 11/18/20 9:51 PM, Will Deacon wrote: > > On Fri, Sep 25, 2020 at 12:06:20PM -0700, Ashok Raj wrote: > > I can't figure out from this description what string is returned to > > userspace in the case that the group is configured as blocked or unmanaged. > > This series only enables switching a default domain in use between DMA > and IDENTITY. Other cases will result in write failures.
I understood that from the text, but what I couldn't figure out is what happens if you *read* the file when the default domain is not identity or DMA. I think that should be documented. Will _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
