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Date: Sun, 9 Mar 2014 09:06:42 +0200
From: Muli Ben-Yehuda <muli@cs.technion.ac.il>
Subject: Re: How could we get rid of saved_max_pfn for calgary iommu?
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To: Jon Mason <jdmason@kudzu.us>
Cc: discuss@x86-64.org, Baoquan He <bhe@redhat.com>, x86@kernel.org, kexec@lists.infradead.org, linux-kernel <linux-kernel@vger.kernel.org>, WANG Chao <chaowang@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>, Yinghai Lu <yinghai@kernel.org>, Vivek Goyal <vgoyal@redhat.com>

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.

Cheers,
Muli

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