Re: Are there source codes for Xen-IB?

[maus <maustudent@gmail.com>]

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Hi,

I have a project which is make KVM use InfiniBand.
However, since Xen can use InfiniBand through Xen-IB, I want to try to make
Xen use InfiniBand first.
Through that way, I think it may give me some idea about how to make KVM use
InfiniBand.
So, as you said, I just use "Updated defconfig to include infiniband driver
as modules for dom0/domU" to do?
And since I don't know how to I do first for Xen-IB, is there any tutorial
for Xen-IB?
Or does Xen build-in support IB currently?

Yi-Man

2011/5/24 Ian Campbell <Ian.Campbell@eu.citrix.com>

> Please do not top post.
>
> On Tue, 2011-05-24 at 11:07 +0100, maus wrote:
> > Hi,
> >
> > There many file in  http://xenbits.xensource.com/ext/xen-smartio/ ,
> > which should I use for Xen-IB?
> > Use the following three?
> > Updated defconfig to include infiniband driver as modules for
> > dom0/domU
> > Updating drivers/infiniband to latest. Should shrink size of
> > xen_ib.patch in
> > Add support for Infiniband into Xen
>
> Again, these changesets are >5 years old and have not been looked at or
> maintained since -- I am very sceptical that you will find anything of
> use on a modern Xen system in there.
>
> I expect that IB support in the kernels we currently use for dom0 is
> vastly improved over what was available in the 2.6.16 tree referenced in
> the above repository. Perhaps you don't even need anything special
> outside of what is available in the upstream dom0 kernel.
>
> Perhaps if you explain what you are actually trying to achieve then
> people will be able to better advise you?
>
> Ian.
>
>
>

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