Re: [Xen-users] Compiling pv drivers for Xen 3.3 for domU kernel 2.6.31, 2.6.32

[Alex Bligh <alex@xxxxxxxxxxx>]

--On 23 April 2010 13:03:26 -0700 Fantu <fantonifabio@xxxxxxxxxx> wrote:

> For .31 or new use pv_ops from vanilla git (for dom0 and domU support)
> http://wiki.xensource.com/xenwiki/XenParavirtOps
> Or vanilla mainstream (actual only domU support) http://kernel.org/
My understanding is that pv_ops will not work with Xen3.3 + 2.6.18 dom0.
The Xen installation I'm using is not - as I understand it - pv_ops
capable. Or am I missing something?

Alex

> Alex Bligh wrote:
> > I want to produce loadable modules for recent kernels that will have
> > pv driver support for Xen3.3. Of course these kernels would run
> > fine in domU with pvops were they running on a later Xen plus host
> > kernel, but today's task is to get them running on a standard
> > Xen3.3 install without pvops support.
> >
> > Documentation, such as it is, suggests I need to pull down
> > the kernel source and then compile. I get errors like these:
> >
> > $ make -C /home/amb/pvdrivers/linux-source-2.6.32 M=$PWD modules
> > make: Entering directory `/home/amb/pvdrivers/linux-source-2.6.32'
> > make[2]: *** No rule to make target
> > `/home/amb/pvdrivers/xen-3.3-testing.hg/unmodified_drivers/linux-2.6/bal
> > loon/balloon.o',  needed by
> > `/home/amb/pvdrivers/xen-3.3-testing.hg/unmodified_drivers/linux-2.6/bal
> > loon/xen-balloon.o'.  Stop.
> > make[1]: ***
> > [/home/amb/pvdrivers/xen-3.3-testing.hg/unmodified_drivers/linux-2.6/bal
> > loon]  Error 2
> > make: ***
> > [_module_/home/amb/pvdrivers/xen-3.3-testing.hg/unmodified_drivers/linux
> > -2.6]  Error 2
> > make: Leaving directory `/home/amb/pvdrivers/linux-source-2.6.32'
> >
> > I can copy .o files around, but eventually I get to the point where
> > it tries to find blkfront.o, and there is no blkfront.c in my kernel
> > source, nor within unmodified_drivers. Do I need to apply Xen patches to
> > the source too, and if so where is the best place to get them from?
> >
> > unmodified_drivers from xenunstable does the same.
> >
> > --
> > Alex Bligh
> >
> > _______________________________________________
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> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> --
> View this message in context:
> http://old.nabble.com/Compiling-pv-drivers-for-Xen-3.3-for-domU-kernel-2.
> 6.31%2C-2.6.32-tp28345090p28345759.html Sent from the Xen - User mailing
> list archive at Nabble.com.
>
>
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--
Alex Bligh

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