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From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Robin Holt <holt@sgi.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	Hugh Dickins <hugh.dickins@tiscali.co.uk>,
	Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"joro@8bytes.org" <joro@8bytes.org>
Subject: Re: [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers
Date: Wed, 2 Nov 2011 10:57:40 +0100	[thread overview]
Message-ID: <20111102095740.GM13244@amd.com> (raw)
In-Reply-To: <20111102094601.GN28536@sgi.com>

On Wed, Nov 02, 2011 at 05:46:02AM -0400, Robin Holt wrote:
> 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@kvack.org mailing list.

I have included this mailing list in my post afaics. I talked with
Andrea Arcangeli about these patches at LinuxCon in Prague and will post
a new version based on his comments.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632


WARNING: multiple messages have this Message-ID (diff)
From: "Roedel, Joerg" <Joerg.Roedel@amd.com>
To: Robin Holt <holt@sgi.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	"akpm@linux-foundation.org" <akpm@linux-foundation.org>,
	Hugh Dickins <hugh.dickins@tiscali.co.uk>,
	Mel Gorman <mel@csn.ul.ie>, Nick Piggin <npiggin@kernel.dk>,
	"linux-mm@kvack.org" <linux-mm@kvack.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"joro@8bytes.org" <joro@8bytes.org>
Subject: Re: [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers
Date: Wed, 2 Nov 2011 10:57:40 +0100	[thread overview]
Message-ID: <20111102095740.GM13244@amd.com> (raw)
In-Reply-To: <20111102094601.GN28536@sgi.com>

On Wed, Nov 02, 2011 at 05:46:02AM -0400, Robin Holt wrote:
> 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@kvack.org mailing list.

I have included this mailing list in my post afaics. I talked with
Andrea Arcangeli about these patches at LinuxCon in Prague and will post
a new version based on his comments.


	Joerg

-- 
AMD Operating System Research Center

Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632

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  reply	other threads:[~2011-11-02  9:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-21 12:21 [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers Joerg Roedel
2011-10-21 12:21 ` Joerg Roedel
2011-10-21 12:21 ` [PATCH 1/3] mm: Disable tlb_fast_mode() when mm has notifiers Joerg Roedel
2011-10-21 12:21   ` Joerg Roedel
2011-10-21 12:21 ` [PATCH 2/3] mmu_notifier: Add invalidate_range_free_pages() notifier Joerg Roedel
2011-10-21 12:21   ` Joerg Roedel
2011-10-21 12:21 ` [PATCH 3/3] mmu_notifier: Call " Joerg Roedel
2011-10-21 12:21   ` Joerg Roedel
2011-11-02  9:46 ` [RFC][PATCH 0/3] Add support for non-CPU TLBs in MMU-Notifiers Robin Holt
2011-11-02  9:46   ` Robin Holt
2011-11-02  9:57   ` Roedel, Joerg [this message]
2011-11-02  9:57     ` Roedel, Joerg
2011-11-03  0:07     ` Andrea Arcangeli
2011-11-03  0:07       ` Andrea Arcangeli
2011-11-03 10:18       ` Roedel, Joerg
2011-11-03 10:18         ` Roedel, Joerg

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