svn commit: r254061 - head/sys/arm/arm

[Zbigniew Bodek]

2013/8/11 Olivier Houchard <cognet at ci0.org>

> On Sat, Aug 10, 2013 at 04:50:36PM +0200, Zbigniew Bodek wrote:
> > 2013/8/7 Olivier Houchard <cognet at freebsd.org>
> >
> > > Author: cognet
> > > Date: Wed Aug  7 15:44:58 2013
> > > New Revision: 254061
> > > URL: http://svnweb.freebsd.org/changeset/base/254061
> > >
> > > Log:
> > >   Don't bother trying to work around buffers which are not aligned on a
> > > cache
> > >   line boundary. It has never been 100% correct, and it can't work on
> SMP,
> > >   because nothing prevents another core from accessing data from an
> > > unrelated
> > >   buffer in the same cache line while we invalidated it. Just use
> bounce
> > > pages
> > >   instead.
> > >
> > >   Reviewed by:  ian
> > >   Approved by:  mux (mentor) (implicit)
> > >
> > > Modified:
> > >   head/sys/arm/arm/busdma_machdep-v6.c
> > >
> > >
> > Hello Olivier,
> >
> > While continuing rebase of my work to the current HEAD I encountered
> > another problem regarding the PCIe NIC this time.
> >
> > I'm using Realtek card and starting from this revision Rx buffers cannot
> be
> > allocated for my device.
> > Please check out the message below:
>
> Hi Zbigniew,
>
> Can you test the attached patch (largely untested, I'm afraid I'm on
> vacations, far away from my arm boards), to see if it helps ?
>
> Regards,
>
> Olivier
>
> Hello Olivier,

The patch that you've sent helps for the issue. Thank you very much and
have a nice vacation.

Best regards
Zbyszek Bodek