On Mon, Jun 22, 2020 at 06:16:57PM +0200, Jan Beulich wrote: > On 22.06.2020 18:02, Michał Leszczyński wrote: > > ----- 22 cze 2020 o 17:22, Jan Beulich jbeul...@suse.com napisał(a): > >> On 22.06.2020 16:35, Michał Leszczyński wrote: > >>> ----- 22 cze 2020 o 15:25, Jan Beulich jbeul...@suse.com napisał(a): > > It's also not "many gigabytes". In most use cases a buffer of 16/32/64 MB > > would suffice, I think. > > But that one such buffer per vCPU, isn't it? Plus these buffers > need to be physically contiguous, which is an additional possibly > severe constraint.
FTR, from my reading of the SDM you can use a mode called ToPA where the buffer is some kind of linked list of tables that map to output regions. That would be nice, but IMO it should be implemented in a next iteration after the basic support is in. Roger.
