On Fri, 29 Jan 2021 15:12:58 -0800 Vinicius Costa Gomes wrote: > Jakub Kicinski <k...@kernel.org> writes: > >> Good catch :-) > >> > >> I wanted to have this (at least one express queue) handled in a > >> centralized way, but perhaps this should be handled best per driver. > > > > Centralized is good. Much easier than reviewing N drivers to make sure > > they all behave the same, and right. > > The issue is that it seems that not all drivers/hw have the same > limitation: that at least one queue needs to be configured as > express/not preemptible.
Oh, I thought that was something driven by the standard. For HW specific checks driver doing it is obviously fine. > That's the point I was trying to make when I suggested for the check to > be done per-driver, different limitations.