linux-kernel - Re: PV DMA for PCI passthrough devices for KVM

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Message-ID: <87skx4hker.fsf@basil.nowhere.org>
Date:	Tue, 29 Apr 2008 15:15:24 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Amit Shah <amit.shah@...ranet.com>
Cc:	kvm-devel@...ts.sourceforge.net, chrisw@...hat.com,
	allen.m.kay@...el.com, linux-kernel@...r.kernel.org,
	gcosta@...hat.com, avi@...ranet.com,
	virtualization@...ts.linux-foundation.org, BENAMI@...ibm.com
Subject: Re: PV DMA for PCI passthrough devices for KVM

Amit Shah <amit.shah@...ranet.com> writes:

> This patchset implements PVDMA for handling DMA requests from
> devices assigned to the guest from the host machine.

You forgot to post a high level design overview of how this works,
what it is good for, what are the design trade offs etc.? 

Include that in the first patch.

-Andi

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