Re: [ 12/75] USB: EHCI: work around silicon bug in Intels EHCI controllers

Alan Stern
2013-03-21T14:35:34Z

On Wed, 20 Mar 2013, Greg Kroah-Hartman wrote:

> On Wed, Mar 20, 2013 at 04:41:21PM -0400, Alan Stern wrote:
> > On Wed, 20 Mar 2013, Greg Kroah-Hartman wrote:
> >
> > > > > Ok, I'll postpone this patch for the next stable release, in time for
> > > > > the fix to be put in at the same time.
> > > >
> > > > I think patch 13/75 ("USB: EHCI: dont check DMA values in QH overlays")
> > > > should also be postponed then, at least Alan said so in
> > > > <Pine.LNX.4.44L0.1303191125100.15684-100000@netrider.rowland.org>.
> > >
> > > Crap, I didn't postpone that one, hopefully it doesn't cause as many
> > > problems...
> >
> > I haven't tested this combination of changes, except in a highly
> > artificial setting (i.e., running the usbtest suite), so I don't know
> > how it will behave under normal use. In any case, it's too late to do
> > anything now except issue another -stable release.
> >
> > I just saw that the "dont check DMA values" patch did get into the
> > 3.0-stable and 3.4-stable releases. I didn't realize at the time, but
> > it shouldn't be in any kernel earlier than 3.6. I guess the best thing
> > to do is queue up a reversion for those two series.
>
> I've now done this, thanks.

Sorry I didn't catch those things at the time. I should have been
looking more closely at your -stable queue.

Alan Stern