Re: [PATCH 0/2] Fixes for MV_CESA with IDMA or TDMA

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Hi Andrew, Phil,

On Mon, Jul 16, 2012 at 04:53:18PM +0200, Phil Sutter wrote:
> On Mon, Jul 16, 2012 at 04:03:44PM +0200, Andrew Lunn wrote:
> > On Mon, Jul 16, 2012 at 03:52:16PM +0200, Phil Sutter wrote:
> > > Hey Andrew,
> > > 
> > > On Mon, Jul 16, 2012 at 11:32:25AM +0200, Andrew Lunn wrote:
> > > > I've not been following this thread too closely..
> > > > 
> > > > Do you have any patches you want included into mainline?
> > > 
> > > No need to fix anything mainline
> > 
> > O.K. I thought there was a problem with user space using it, some
> > flushes missing somewhere? Or VM mapping problem? Has that been fixed?
> 
> Hmm, there was some discussion about an issue like that in this list at
> end of February/beginning of March, which was resolved then. On the
> other hand there is an unanswered mail from Cloudy at 20. April about a
> failing kernel hash test. Maybe he can elaborate on this?
> 

I think the problem is not in mv_cesa but in
flush_kernel_dcache_page(). I have proposed a fix here:

http://www.spinics.net/lists/arm-kernel/msg176913.html

There was a little bit of discussion on the patch, but it has not
been picked up yet.

- Simon
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