linux-kernel - Re: [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers

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Message-ID: <20111102094601.GN28536@sgi.com>
Date:	Wed, 2 Nov 2011 04:46:02 -0500
From:	Robin Holt <holt@....com>
To:	Joerg Roedel <joerg.roedel@....com>
Cc:	Andrea Arcangeli <aarcange@...hat.com>,
	Rik van Riel <riel@...hat.com>, akpm@...ux-foundation.org,
	Hugh Dickins <hugh.dickins@...cali.co.uk>,
	Mel Gorman <mel@....ul.ie>, Nick Piggin <npiggin@...nel.dk>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org, joro@...tes.org
Subject: Re: [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers

On Fri, Oct 21, 2011 at 02:21:45PM +0200, Joerg Roedel wrote:
> Hi,
> 
> this is my first attempt to add support for non-CPU TLBs to the
> MMU-Notifier framework. This will be used by the AMD IOMMU driver for
> the next generation of hardware. The next version of the AMD IOMMU can
> walk page-tables in AMD64 long-mode format (with setting
> accessed/dirty-bits atomically) and save the translations in its own
> TLB. Page faulting for IO devices is supported too. This will be used to
> let hardware devices share page-tables with CPU processes and access
> their memory directly. Please look at
> 
> 	http://support.amd.com/us/Processor_TechDocs/48882.pdf

...

Did this patch set get any review or traction?  Perhaps you should have
included the linux-mm@...ck.org mailing list.

Robin
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