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SubjectRe: How could we get rid of saved_max_pfn for calgary iommu?
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On Sun, Mar 9, 2014 at 12:06 AM, Muli Ben-Yehuda <muli@cs.technion.ac.il> wrote:
> On Thu, Mar 06, 2014 at 07:46:44AM -0700, Jon Mason wrote:
>
>> > I don't know of anyone still using it, but it's not
>> > impossible. Calgary and CalIOC2 machines would now be ~5-8 years
>> > old.
>>
>> It is getting a bit crufty in arch/x86. Would it be better to move
>> it to drivers/iommu?
>
> Not sure I see the potential benefit... I think for Calgary it's
> either leave it in arch/x86 or rip it out.

The intent is for it go where the other IOMMU drivers are, and gain
changes to the overall infrastructure as it evolves. There has been a
decent amount of work going on in there :)

Of course, someone would have to put the effort in and test it.

>
> Cheers,
> Muli


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