-Original Message-
From: Christoph Lameter [mailto:[EMAIL PROTECTED]
Sent: Friday, February 15, 2008 10:46 AM
To: Caitlin Bestler
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED];
[EMAIL PROTECTED]; kvm-devel@lists.sourceforge.net
Subject: RE: [ofa-general] Re: Demand
Christoph Lameter asked:
What does it mean that the application layer has to be determine what
pages are registered? The application does not know which of its
pages
are currently in memory. It can only force these pages to stay in
memory if their are mlocked.
An application that
Christoph Lameter wrote
Merely mlocking pages deals with the end-to-end RDMA semantics.
What still needs to be addressed is how a fastpath interface
would dynamically pin and unpin. Yielding pins for short-term
suspensions (and flushing cached translations) deals with the
rest.
-Original Message-
From: Christoph Lameter [mailto:[EMAIL PROTECTED]
Sent: Friday, February 15, 2008 2:50 PM
To: Caitlin Bestler
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED];
[EMAIL PROTECTED]; kvm-devel@lists.sourceforge.net
Subject: RE: [ofa-general] Re: Demand
On Thu, Feb 14, 2008 at 8:23 AM, Steve Wise [EMAIL PROTECTED] wrote:
Robin Holt wrote:
On Thu, Feb 14, 2008 at 09:09:08AM -0600, Steve Wise wrote:
Note that for T3, this involves suspending _all_ rdma connections that are
in the same PD as the MR being remapped. This is because the
On Thu, Feb 14, 2008 at 11:39 AM, Christoph Lameter [EMAIL PROTECTED] wrote:
On Thu, 14 Feb 2008, Steve Wise wrote:
Note that for T3, this involves suspending _all_ rdma connections that are
in
the same PD as the MR being remapped. This is because the driver doesn't
know
who the
On Thu, Feb 14, 2008 at 12:20 PM, Christoph Lameter [EMAIL PROTECTED] wrote:
On Thu, 14 Feb 2008, Caitlin Bestler wrote:
So suspend/resume to re-arrange pages is one thing. Suspend/resume to cover
swapping out pages so they can be reallocated is an exercise in futility.
By the
time
-Original Message-
From: Christoph Lameter [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 14, 2008 2:49 PM
To: Caitlin Bestler
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED];
[EMAIL PROTECTED]; kvm-devel@lists.sourceforge.net
Subject: Re: [ofa-general] Re: Demand
[EMAIL PROTECTED] wrote:
On Wednesday 13 June 2007, Caitlin Bestler wrote:
It can be done, but you'd also need a passthrough for the IOMMU in
that case, and you get a potential security hole: if a malicious
guest is smart enough to figure out IOMMU mappings from the device
to memory owned
[EMAIL PROTECTED] wrote:
On Sunday 10 June 2007, Avi Kivity wrote:
- PCI (or your favorite HW bus) passthrough, for your favorite
oddball device (e.g., crypto-accelerators).
Won't all high-bandwidth traffic be through dma, bypassing virtio?
It can be done, but you'd also need a
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