On Fri, 2016-10-14 at 09:41 +0100, Ard Biesheuvel wrote:

> > I assume the stack buffer itself is not the problem here, but aad,
> > which is allocated on the stack one frame up.
> > Do we really need to revert the whole patch to fix that?
> Ah never mind, this is about 'odata'. Apologies, should have read
> first

Right, odata also goes into an sg list and further on.

I think we should wait for Herbert to chime in before we do any further
work though, perhaps he has any better ideas.


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