Re: [Xen-devel] use hypercall in Dom0's kernel

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

Please don't top post and always CC the list. I've put xen-devel back
this time.

On Fri, 2011-09-30 at 15:14 +0100, David Xu wrote:
> Hi,
> 
> I modify the bridge module of Dom0 and sniff the packets which go
> through Dom0. I want to notify the hypervisor if some special packets
> come. So I want to call some interface function which are defined in
> libxc (libxenctrl). But if I include the xenctrl.h or some related
> head file in the br.c or br_input.c which are parts of bridge module
> codes, I will encounter the compiling error (can not find the head
> file).

Of course you cannot link userspace code into the kernel.

If you need access to hypercalls then you have them available in the
kernel in raw form in the kernel.

Ian.


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