Re: XFS Fails Quality Assurance Tests on ARM

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David Miller <[email protected]> writes:

> From: Byron Bradley <[email protected]>
> Date: Fri, 31 Aug 2007 03:12:46 +0000 (UTC)
> 
> > Anybody got any ideas of how we fix this?
> 
> I don't know how much testing XFS gets on ARM, but one thing that some
> ARM chips have is D-cache aliasing problems and one thing XFS uses a
> lot is virtual remapping of various data structures via vmap().
> 
> This might be what is causing the problems.

AFAIK XFS uses vmap() mainly during log replay. If David's theory
was true then the failures must be seen during tests that do 
this.

-Andi
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