Re: [Xen-devel] Attempt to compile 2.6.29-rc3 with pv_ops suppot for Dom0

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2009-02-01 at 17:14 -0800, Jeremy Fitzhardinge wrote:
> Boris Derzhavets wrote:
> >
> > Follow http://wiki.xensource.com/xenwiki/XenParavirtOps on Ubuntu 8.10 
> > Server
> >
> > To get a working tree:
> >
> >    1. hg clone http://www.kernel.org/hg/linux-2.6
> >    2. cd linux-2.6/.hg
> >    3. hg clone http://xenbits.xensource.com/paravirt_ops/patches.hg 
> > patches
> >    4. cd ..
> >    5. ln -s .hg/patches . # for convenience
> >    6. hg update `cat patches/KERNEL_VERSION`
> >    7. hg qpush -a
> >
> > Get the recent patch,in particular :-
> >
> > root@ServerUbuntu:/usr/src/linux-2.6/.hg/patches# ls -l 
> > xen-netback-porting.patch
> > -rw-r--r-- 1 root src 28228 2009-01-31 08:18 xen-netback-porting.patch
> >
> 
> Netback support was just added, and it didn't compile for me last time I 
> tried.  I think Ian has a fix, but I'm not sure if he's committed it yet.

It was compiling and working for me on 32 bit. I hadn't tried 64 bit
(which I guess you both are using).  netback.c:207 is "headlen =
nskb->end - nskb->data" and the type of ->end is sk_buff_data_t which
differs with 32 vs 64 bitness. Will investigate.


Ian.



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