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Re: [PATCH] x86 DMA: Handle devices assigned to the guest by the host

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From: Muli Ben-Yehuda <muli@...>
To: Amit Shah <amit.shah@...>
Cc: <kvm-devel@...>, <virtualization@...>, Ben-Ami Yassour1 <BENAMI@...>, <gcosta@...>, <chrisw@...>, <dor.laor@...>, <allen.m.kay@...>, <avi@...>, <linux-kernel@...>
Subject: Re: [PATCH] x86 DMA: Handle devices assigned to the guest by the host
Date: Wednesday, April 30, 2008 - 2:29 am

On Tue, Apr 29, 2008 at 01:37:29PM +0300, Amit Shah wrote:


I always thought this was a huge wart in the x86-64 DMA ops. Would
there be strong resistance to fixing it so that alloc_coherent
matches the way the other ops are used? This will eliminate the need
for this patch and will make other DMA ops implementations saner.

Cheers,
Muli
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Messages in current thread:
PV DMA for PCI passthrough devices for KVM, Amit Shah, (Tue Apr 29, 6:37 am)
Re: PV DMA for PCI passthrough devices for KVM, Andi Kleen, (Tue Apr 29, 9:15 am)
[PATCH] x86 DMA: Handle devices assigned to the guest by the..., Amit Shah, (Tue Apr 29, 6:37 am)
Re: [PATCH] x86 DMA: Handle devices assigned to the guest by..., Muli Ben-Yehuda, (Wed Apr 30, 2:29 am)
Re: [PATCH] x86 DMA: Handle devices assigned to the guest by..., Andi Kleen, (Tue Apr 29, 9:14 am)
Re: [PATCH] x86 DMA: Handle devices assigned to the guest by..., Amit Shah, (Tue Apr 29, 9:49 am)
[PATCH] KVM x86: Handle hypercalls for assigned PCI devices, Amit Shah, (Tue Apr 29, 6:37 am)
Re: [PATCH] KVM x86: Handle hypercalls for assigned PCI devi..., Glauber Costa, (Tue Apr 29, 10:44 am)
Re: [PATCH] KVM x86: Handle hypercalls for assigned PCI devi..., Amit Shah, (Tue Apr 29, 11:58 am)
Re: [PATCH] KVM x86: Handle hypercalls for assigned PCI devi..., Amit Shah, (Thu May 1, 9:18 am)
Re: [PATCH] KVM x86: Handle hypercalls for assigned PCI devi..., Avi Kivity, (Tue Apr 29, 6:48 pm)
Re: [PATCH] KVM x86: Handle hypercalls for assigned PCI devi..., Muli Ben-Yehuda, (Wed Apr 30, 2:05 am)
[PATCH] KVM PV Guest: Implement paravirtualized DMA, Amit Shah, (Tue Apr 29, 6:37 am)
Re: [PATCH] KVM PV Guest: Implement paravirtualized DMA, Andi Kleen, (Tue Apr 29, 9:31 am)
Re: [PATCH] KVM PV Guest: Implement paravirtualized DMA, Amit Shah, (Tue Apr 29, 9:59 am)