Re: [Xen-devel] status of PV drivers in Xen 4.0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sat, Apr 10, 2010 at 01:31:08PM +0100, Andrew Lyon wrote:
> On Mon, Apr 5, 2010 at 5:50 PM, Guillaume Rousse
> <Guillaume.Rousse@xxxxxxxx> wrote:
> > Le 30/03/2010 08:04, Pasi Kärkkäinen a écrit :
> >> On Mon, Mar 29, 2010 at 11:02:09PM +0200, Guillaume Rousse wrote:
> >>> Hello.
> >>>
> >>> The directory 'unmodified_drivers', in Xen-4.0rc8, seems to still
> >>> requires a 2.6.18 XenLinux kernel to build. For instance, overrides.mk
> >>> still refers to $(objtree)/include/linux/autoconf.h, instead of
> >>> $(objtree)/include/generated/autoconf.h in recent kernels.
> >>>
> >>
> >> I believe it should compile with 2.6.27 aswell.. or if it doesn't,
> >> please let us know.
> >>
> >> See here for PV-on-HVM drivers building instructions for SLES11 2.6.27:
> >> http://wp.colliertech.org/cj/?p=653
> >>
> >> If the unmodified_drivers from Xen 4.0 doesn't build for 2.6.27,
> >> then we should definitely add the (possible) patches from Novell.
> > Whatever XenLinux tree I tried (xensource 2.6.18, or novell 2.6.32), it
> > fails to build for 2.6.33. It's probably a trivial error, such as a
> > missing header file, but I'm really not enough kernel-aware to find
> > which one:
> >
> 
> Have you been successful building the drivers for .31 or .32?
> 
> I'd like to make a set of patches available to apply to Xen 3.4.2 or
> 4.0 to enable building the drivers with recent kernels and the forward
> ported kernels I usually use, but while I've been able to rebuild them
> on a opensuse 11.2 system running 2.6.31.12 I am finding it hard to
> work out which patches need to be applied and what else the rpm build
> process does to enable compilation.
> 
> Any pointers would be much appreciated.
> 

Did you take a look at novell's sles11 sp1 kernel? it's 2.6.32 and
should have pv-on-hvm drivers included? 

-- Pasi

> Andy
> 
> > [guillomovitch@n2 linux-2.6]$ make -C
> > /lib/modules/2.6.33.1-desktop-2mnb/build M=$PWD modules
> > make: entrant dans le répertoire « /usr/src/linux-2.6.33.1-desktop-2mnb »
> >  CC [M]
> > /home/guillomovitch/cooker/xen/BUILD/xen-4.0-testing.hg/unmodified_drivers/linux-2.6/balloon/balloon.o
> > In file included from
> > /home/guillomovitch/cooker/xen/BUILD/xen-4.0-testing.hg/unmodified_drivers/linux-2.6/balloon/balloon.c:52:
> > 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
> > include/xen/interface/memory.h:53: warning: type defaults to 'int' in
> > declaration of 'DEFINE_GUEST_HANDLE_STRUCT'
> > include/xen/interface/memory.h:53: warning: parameter names (without
> > types) in function declaration
> >
> > BTW, the pvops-based 2.6.32.11 kernel isn't a suitable xenlinux tree, it
> > misses needed files.
> > --
> > BOFH excuse #284:
> >
> > Electrons on a bender
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >
> 
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