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From: David Ahern <dsahern@gmail.com>
To: Chris Friesen <chris.friesen@genband.com>
Cc: Avi Kivity <avi@redhat.com>, mtosatti@redhat.com, kvm@vger.kernel.org
Subject: Re: help?  need to enable VT-d for 2.6.27
Date: Tue, 30 Aug 2011 11:55:01 -0600	[thread overview]
Message-ID: <4E5D23F5.3070905@gmail.com> (raw)
In-Reply-To: <4E5D0FF3.6030705@genband.com>

On 08/30/2011 10:29 AM, Chris Friesen wrote:
> 
> I'm in a bit of an odd situation.  We run an embedded version of linux
> on many different boards with different vendor agreements so it's
> painful to upgrade kernel versions.
> 
> I've been asked to provide VT-d support for KVM on our kernel (primarily
> for mapping NIC VFs into the guests), and I'm trying to figure out my
> best option to get a working implementation.

I've had pains with VF passthrough with as late as a Fedora 14 kernel
(2.6.35). Ended up punting and moving to 2.6.39.

> 
> Looking at the kvm git tree, kvm-77 seems to be based off 2.6.27. Should
> I look at porting that?

By 2.6.27 do you mean WRL3 or something else?

David

> 
> Would I be better off just scanning for anything VT-d related in 2.6.28
> and backporting it?
> 
> Are there any better options?  Any advice you could provide would be
> appreciated.
> 
> Thanks,
> Chris
> 
> 


  reply	other threads:[~2011-08-30 17:55 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-30 16:29 help? need to enable VT-d for 2.6.27 Chris Friesen
2011-08-30 17:55 ` David Ahern [this message]
2011-08-30 18:11   ` Chris Friesen
2011-08-30 18:31     ` David Ahern
2011-08-30 19:39       ` Chris Friesen
2011-08-30 19:54         ` David Ahern
2011-08-30 19:59         ` Jan Kiszka
2011-08-30 23:03           ` Chris Friesen
2011-08-31  7:30             ` Jan Kiszka
2011-08-31  0:03           ` [BUG] error compiling qemu-kvm-0.15.0 without vnc Chris Friesen
2011-08-31  7:40             ` Jan Kiszka
2011-08-31  7:40               ` [Qemu-devel] " Jan Kiszka
2011-08-31  8:14               ` Kevin Wolf
2011-08-31  8:14                 ` [Qemu-devel] " Kevin Wolf
2011-08-31 20:11                 ` Justin M. Forbes
2011-08-31 20:11                   ` Justin M. Forbes

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