Re: [Xen-devel] Re: Kernel module compilation

["David Pilger" <pilger.david@xxxxxxxxx>]

On 4/5/07, Kieran Mansley <kmansley@xxxxxxxxxxxxxx> wrote:
> On Wed, 2007-04-04 at 19:13 +0100, Ian Campbell wrote:
> > On Wed, 2007-04-04 at 21:07 +0300, David Pilger wrote:
> > > Thanks for your help,
> > > It didn't work...
> > >
> > > This is the error I got ->
> > > ----
> > > Makefile:107: *** output directory
> > > "../../../build-linux-2.6.18-xen_x86_32/" does not exist.  Stop.
> >
> > I presume that path does exist.
>
> It would only exist if you're building the unified kernel.  If you're
> building separate domU and dom0 kernels you'll have slightly differently
> named build directories.
>
> To just rebuild a couple of modules that I've changed I do:
>
>  cd /path/to/your/xen-unstable.hg
>  make -C build-linux-<whatever>_x86_32 modules
>
> where <whatever> should match the kernel you want to build for.
>
> This doesn't result in the compiled modules being copied to
> dist/install/lib/modules/ in the xen-unstable.hg as it would if I'd done
> a normal "make dist", but copying them over is easy enough with a
> script.
>
> Kieran
Thanks everyone!
Kieran, I just added "M=driver/path/to/driver" and it worked!
The final line looks like this ->

make -C build-linux-2.6.18-xen_x86_32 modules M=drivers/char/mydriver
CONFIG_MYDRIVER=m

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