On Fri, Jul 16, 2021 at 4:28 PM Bruce Richardson <[email protected]> wrote: > > On Fri, Jul 16, 2021 at 02:50:27PM +0100, Konstantin Ananyev wrote: > > When batch_size == 1, idxd has to add a dummy termination descriptor > > to satisfy HW requirements. > > Right now it uses NOP descriptor with FENCE flag. > > This is excessive and fencing can slowdown things quite significantly. > > The patch removes FENCE flag from termination dummy descriptor. > > That helps to improve performance for no-burst scenarios. > > > > Fixes: 245efe544d8e ("raw/ioat: report status of completed jobs") > > > > Signed-off-by: Konstantin Ananyev <[email protected]> > Acked-by: Bruce Richardson <[email protected]>
Applied, thanks. -- David Marchand
