On Thu, Jul 13, 2017 at 08:47:00PM +0300, Michael S. Tsirkin wrote: > On Wed, Jul 12, 2017 at 04:13:41PM +0800, Peter Xu wrote: > > We were having static IOTLB size as 1024. Let it be a tunable. We can > > also turns IOTLB off if we want, by specify the size as zero. > > > > The tunable is named as "x-iotlb-size" since that should not really be > > something used by user yet, but mostly for debugging purpose now. > > > > Signed-off-by: Peter Xu <pet...@redhat.com> > > I'm somewhat vary of adding tunables just for developers to play with. > People will find and abuse them :)
I would think it convenient (especially with "x-") and I would never worry about people using it (I really see nothing dangerous...). But if you don't like it, I can drop it in next version for sure. Thanks, -- Peter Xu