netdev - Re: [PATCH] xen/9pfs: select CONFIG_XEN_XENBUS

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Date:   Wed, 19 Apr 2017 16:10:29 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     jgross@...e.com
cc:     Arnd Bergmann <arnd@...db.de>,
        Stefano Stabellini <stefano@...reto.com>,
        boris.ostrovsky@...cle.com, groug@...d.org,
        xen-devel@...ts.xenproject.org,
        Eric Van Hensbergen <ericvh@...il.com>,
        Ron Minnich <rminnich@...dia.gov>,
        Latchesar Ionkov <lucho@...kov.net>,
        "David S. Miller" <davem@...emloft.net>,
        v9fs-developer@...ts.sourceforge.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen/9pfs: select CONFIG_XEN_XENBUS_FRONTEND

Juergen, I have committed this patch to for-linus-4.12 and linux-next, I
hope that's OK.

Og Wed, 19 Apr 2017, Stefano Stabellini wrote:
> On Wed, 19 Apr 2017, Arnd Bergmann wrote:
> > All Xen frontends need to select this symbol to avoid a link error:
> > 
> > net/built-in.o: In function `p9_trans_xen_init':
> > :(.text+0x149e9c): undefined reference to `__xenbus_register_frontend'
> > 
> > Fixes: d4b40a02f837 ("xen/9pfs: build 9pfs Xen transport driver")
> > Signed-off-by: Arnd Bergmann <arnd@...db.de>
> 
> Thank you for the fix!
> 
> Reviewed-by: Stefano Stabellini <sstabellini@...nel.org>
> > ---
> >  net/9p/Kconfig | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/net/9p/Kconfig b/net/9p/Kconfig
> > index 3f286f1bd1d3..e6014e0e51f7 100644
> > --- a/net/9p/Kconfig
> > +++ b/net/9p/Kconfig
> > @@ -24,6 +24,7 @@ config NET_9P_VIRTIO
> >  
> >  config NET_9P_XEN
> >  	depends on XEN
> > +	select XEN_XENBUS_FRONTEND
> >  	tristate "9P Xen Transport"
> >  	help
> >  	  This builds support for a transport for 9pfs between
> > -- 
> > 2.9.0
> > 
>