Re: [Xen-devel] Troubles building the xen linux pv drivers

["C.J. Adams-Collier" <cjcollier@xxxxxxxxx>]

On Fri, 2009-11-06 at 19:01 +0100, Guillaume Rousse wrote:
> Pasi KÃrkkÃinen a Ãcrit :
> > On Wed, Nov 04, 2009 at 11:53:04PM +0100, Guillaume Rousse wrote:
> >> Hello list.
> >>
> >> I'm having trouble building the xen linux pv drivers from xen 3.4.1:
> >> [guillaume@oberkampf linux-2.6]$ make -C 
> >> /lib/modules/2.6.31.5-desktop-1mnb/build/ M=$PWD modules
> >> make: Entering directory `/usr/src/linux-2.6.31.5-desktop-1mnb'
> >>   CC [M] 
> >> /home/guillaume/xen-3.4.1/unmodified_drivers/linux-2.6/balloon/balloon.o
> >> In file included from 
> >> /home/guillaume/xen-3.4.1/unmodified_drivers/linux-2.6/balloon/balloon.c:51:
> >> include/xen/interface/memory.h:32: error: expected 
> >> specifier-qualifier-list before 'GUEST_HANDLE'
> >> include/xen/interface/memory.h:53: warning: data definition has no type 
> >> or storage class
> >>
> >> My current kernel is a 2.6.31.5, and I'm using a vanilla 2.6.30.2 + 
> >> Andrew Lyon patches as xenified linux tree.
> >>
> > 
> > I think unmodified_drivers is currently only supported on Linux 2.6.18.
> They are commit logs message in mercurial about fixing build with Linux 
> 2.6.27+, so I think at least 2.6.27 is supposed to build.
> 
> > Novell has some patches to make it work on 2.6.27.
> Is there a public repository available for them ?

They keep the patches in the source rpm:

ftp://ftp.suse.com/pub/projects/kernel/kotd/SLE11_BRANCH/x86_64/kernel-xen-2.6.27.39-0.0.0.2.a1d3483.x86_64.rpm

I tried building it yesterday and failed at platform-pci.  See attached
build log.  Any help anyone could provide would be greatly appreciated.

> > Also, afaik, someone at Redhat is working on porting the
> > unmodified_drivers to pv_ops framework for upstream Linux kernel.
> Again, I'm interested by any reference about where to find the code.

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