> On Fri, 19 Sep 2008 21:52:16 +0200
> Joerg Roedel <joerg.roedel@amd.com> wrote:
>
> > On Sat, Sep 20, 2008 at 03:48:11AM +0900, FUJITA Tomonori wrote:
> > > On Fri, 19 Sep 2008 20:01:18 +0200
> > > Joerg Roedel <joerg.roedel@amd.com> wrote:
> > >
> > > > On Sat, Sep 20, 2008 at 02:40:35AM +0900, FUJITA Tomonori wrote:
> > > > > On Fri, 19 Sep 2008 19:30:04 +0200
> > > > > Joerg Roedel <joerg.roedel@amd.com> wrote:
> > > > >
> > > > > > On Sat, Sep 20, 2008 at 02:09:21AM +0900, FUJITA Tomonori wrote:
> > > > > > >
> > > > > > > Please keep it for AMD option for now. Please send a patch to make it
> > > > > > > generic to other IOMMU people and give them a chance to discuss on
> > > > > > > it.
> > > > > > >
> > > > > >
> > > > > > Btw, you already agreed with a generic iommu= parameter for lazy IO/TLB
> > > > > > flushing"
> > > > > >
> > > > > >
> > > > > > > True. We should merge common parameters across IOMMUs into the
> > > > > > > iommu= parameter some time in the future, I think. It would also be the
> > > > > > > place for the IOMMU size parameter.
> > > > > >
> > > > > > Hmm, now is better than the future? I think that now you can add
> > > > > > something like 'disable_batching_flush' as a common parameter and
> > > > > > change AMD IOMMU to use it.
> > > > > >
> > > > > > in
http://lkml.org/lkml/2008/9/17/376
> > > > > >
> > > > > > And since we already have a iommu=fullflush parameter it makes sense of
> > > > > > make it generic.
> > > > >
> > > > > I'm not against fullflush but we need to discuss it with other people
> > > > > before making the change.
> > > >
> > > > Weird. Just 2 hours ago you wrote:
> > > >
> > > > |http://lkml.org/lkml/2008/9/19/106
> > > > |
> > > > |For me, adding these boot parameters doesn't make sense.
> > >
> > > See:
> > >
> > >
http://lkml.org/lkml/2008/9/19/221
> >
> > Removing nofullflush and moving fullflush to the generic code are two
> > different questions. You talk about the first and I talk about the
> > second here. We should make sure we talk about the same things
> > when we flame each other ;)
>
> And the root cause is that your patch does the two different things.
>
> So please revert the changes. I've already send a patch to do
> that. Please do these things in the proper way. If you think that you
> are free to remove nofullflush from GART, send a patch to do that. If
> you think that fullflush should be generic, send a patch to do it with
> CC'ed to IOMMU people.
