Re: [Xen-devel] Xen with dom0 pvops on ultra-recent "git tip" kernel on x86_64

["Marc - A. Dahlhaus" <mad@xxxxxx>]

Christophe Saout schrieb:
> Hi Marc,
>
>   
> > > I am very excited to see that dom0 pvops is finally coming close to
> > > working, so I wanted to give it a try.
> > >
> > > >From the description it was not clear to me which kernel to chose as
> > > base for the patches.hg, so I took the latest (that was ~ 2 weeks ago)
> > > kernel on git.kernel.org I could find (post-2.6.28 git tip at that
> > > point).
> > >   
> > >       
> > Just follow the instructions on this wiki page:
> >
> > http://wiki.xensource.com/xenwiki/XenParavirtOps
> >
> > You could also search the Archives of xen-devel beginning around 
> > November 2008 for more
> > informations...
> >     
> Yes, I followed those instruction (or at least I believe I did).  It is
> however not specific as to which kernel version from the "tip.git" to
> use as base for applying the patches.  I mean, that is not really my
> problem, I got everything applied and have a compiling kernel. It just
> doesn't boot (or at least doesn't get as far as for instance Pasi and
> his experiments).
>   
hg update `cat patches/KERNEL_VERSION`

this line selects the right version to apply the patches...
> Actually, I am not really interested in getting a working kernel (I know
> that there are still some pieces missing), so this is purely academical
> and for testing.  Since the patches are supposed to be merged soon (at
> least I got the impression that was the plan) I though I was going to
> join the testing effort.  And at this point they are supposed to sort of
> work on any bleeding edge kernel, right?  So I took one.
>
> I could have gone back in the history and take something around
> 2.6.28-rc8 (which seemed to have worked for others), but then they were
> using x86_32 and I am testing x86_64, if I see correctly.  So my
> question was mostly if this had seen some testing at all, is supposed to
> work, and if it is, did I miss something.  In any case, this is the
> result of my testing. :-)
>
> I also forward-ported a few things to the latest version a few hours
> ago, including some changes in xen-iommu.c to follow the dma_ops merging
> thing in the tip head.
>
> I managed to get the native XEN port for 2.6.27 from the other hg
> booting on my notebook, I'll try to see if my pvops kernel works as
> DomU.
>
> Cheers,
>         Christophe
>   

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