Subject: Re: [PATCH] powerpc/iommu: use iommu_num_pages() to calculate the number of iommu page

From: Michael Ellerman <[email-masked]>
Date: Thu, 01 Oct 2015 14:15:45 +1000

On Thu, 2015-10-01 at 07:50 +0800, Wei Yang wrote:
> Hmm... some comments on this one? like it or not?

It sounds like it's fixing a bug, but you don't really say. Have you seen this
fail in the wild?

Which commit introduced the breakage?

cheers