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[Xen-devel] Re: Problem with xen vnet on x86_64

To: "Sanjeepan, Vivekananthan" <vivekananthan.sanjeepan@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Re: Problem with xen vnet on x86_64
From: Mike Wray <mike.wray@xxxxxx>
Date: Wed, 09 Aug 2006 17:27:48 +0100
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Sanjeepan, Vivekananthan wrote:
> I am trying to compile xen vnet on x86_64. I am getting a following error 
> (see below). I saw a mailing list discussion about this issue in march, 2006. 
> There was a patch propsed to work around it. If there is a final version of 
> the patch please point me to it. The error is as follows:
> /home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module/varp_socket.c:
>  In function ‘socketcall’:
> /home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module/varp_socket.c:86:
>  error: ‘__NR_socketcall’ undeclared (first use in this function)
> /home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module/varp_socket.c:86:
>  error: (Each undeclared identifier is reported only once
> /home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module/varp_socket.c:86:
>  error: for each function it appears in.)
> make[3]: *** 
> [/home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module/varp_socket.o]
>  Error 1
> make[2]: *** 
> [_module_/home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module] 
> Error 2
> make[2]: Leaving directory 
> `/home/sanjee/workspace/xen/xen-unstable.hg/linux-'
> make[1]: *** [module] Error 2
> make[1]: Leaving directory 
> `/home/sanjee/workspace/xen/xen-unstable.hg/tools/vnet/vnet-module'make: *** 
> [vnet-module-all] Error 2
> Thanks,
> Sanjee

The problem is that the x86_64 kernel doesn't have the socketcall multiplexor 
that the vnet
implementation uses for its socket api. The proposed patch had some problems, 
so it probably
didn't get applied.
As I'm responsible for the code that doesn't work I'll take a look at what can 
be done.


Mike Wray

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