On Mon, 29 May 2023 15:43:02 -0300 Jason Gunthorpe <jgg@xxxxxxxxxx> wrote: > On Wed, May 24, 2023 at 08:59:43AM +0000, Tian, Kevin wrote: > > > At least this looks a reasonable tradeoff to some proprietary VMMs > > which never adds RO mappings in stage-2 today. > > What is the reason for the RO anyhow? > > Would it be so bad if it was DMA mapped as RW due to the errata? What if it's the zero page? Thanks, Alex
