Re: [PATCH 10/10] sparc64: use iommu_num_pages function in IOMMUcode

[Benjamin Herrenschmidt]

> I didn't want to change multiple architectures with a single patch so I
> splitted it up. The whole renaming in the beginning is to make the patch
> series bisectable. But if its no problem to change multiple
> architectures with one patch I will those changes in a single patch next
> time.

I wouldn't say there's a strict rule. It's a balance to find between
the complexity of the patch, the risk of breaking archs, etc...

In your case, the added churn of going through a temporary renamed
helper represents more, imho, than the risk of breakage of what is
a fairly trivial patch in the first place. Also, it only affects a few
archs. So it's simpler or everybody to deal with a single patch even if
that means it -might- need a rev or two in case it does indeed break
something...

Ben.


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