On Mon, May 24, 2021 at 03:31:25PM +0200, Michal Wajdeczko wrote:
>
>
> On 06.05.2021 21:13, Matthew Brost wrote:
> > CTB writes are now in the path of command submission and should be
> > optimized for performance. Rather than reading CTB descriptor values
> > (e.g. head, tail, size) which
On 06.05.2021 21:13, Matthew Brost wrote:
> CTB writes are now in the path of command submission and should be
> optimized for performance. Rather than reading CTB descriptor values
> (e.g. head, tail, size) which could result in accesses across the PCIe
size was removed from the descriptor in
CTB writes are now in the path of command submission and should be
optimized for performance. Rather than reading CTB descriptor values
(e.g. head, tail, size) which could result in accesses across the PCIe
bus, store shadow local copies and only read/write the descriptor
values when absolutely