[PATCH] iommu/arm-smmu: Allow size of stage 1 output to max possible value for sateg 2 bypass

[Will Deacon]

On Mon, Sep 01, 2014 at 02:49:58PM +0100, tirumalesh chalamarla wrote:
> On Mon, Sep 1, 2014 at 4:42 AM, Will Deacon <will.deacon at arm.com> wrote:
> > Assuming I understand the problem correctly, why not simply remove the
> > truncation from the existing code (untested patch below)? Does that not
> > work for you?
> >
> 
> This will not restrict stage 1 out put to VA_BITS, even for two level
> translations. this results in non debuggable problems
> if we configure incorrectly.  there is no harm in checking the
> condition for nested translations, as i did in my patch.

Right, but restricting stage-1 output to VA_BITS doesn't make sense;
remember it's not the same kernel writing the stage-1 and stage-2 tables.

Will