linux-kernel - Re: [PATCH v6 13/13] xen: introduce a Kconfig option to enable the pvcalls frontend

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Date:   Wed, 25 Oct 2017 15:56:27 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>
cc:     Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xen.org, linux-kernel@...r.kernel.org,
        jgross@...e.com, Stefano Stabellini <stefano@...reto.com>
Subject: Re: [PATCH v6 13/13] xen: introduce a Kconfig option to enable the
 pvcalls frontend

On Wed, 25 Oct 2017, Boris Ostrovsky wrote:
> On 10/24/2017 01:33 PM, Stefano Stabellini wrote:
> > Also add pvcalls-front to the Makefile.
> >
> > Signed-off-by: Stefano Stabellini <stefano@...reto.com>
> > CC: boris.ostrovsky@...cle.com
> > CC: jgross@...e.com
> > ---
> >  drivers/xen/Kconfig  | 9 +++++++++
> >  drivers/xen/Makefile | 1 +
> >  2 files changed, 10 insertions(+)
> >
> > diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> > index 4545561..0b2c828 100644
> > --- a/drivers/xen/Kconfig
> > +++ b/drivers/xen/Kconfig
> > @@ -196,6 +196,15 @@ config XEN_PCIDEV_BACKEND
> >  
> >  	  If in doubt, say m.
> >  
> > +config XEN_PVCALLS_FRONTEND
> > +	tristate "XEN PV Calls frontend driver"
> > +	depends on INET && XEN
> > +	help
> > +	  Experimental frontend for the Xen PV Calls protocol
> > +	  (https://xenbits.xen.org/docs/unstable/misc/pvcalls.html). It
> > +	  sends a small set of POSIX calls to the backend, which
> > +	  implements them.
> 
> default n ?
> 
> (and maybe select XEN_XENBUS_FRONTEND)

Yes, good ideas, I'll add


> > +
> >  config XEN_PVCALLS_BACKEND
> >  	bool "XEN PV Calls backend driver"
> >  	depends on INET && XEN && XEN_BACKEND
> > diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> > index 480b928..afb9e03 100644
> > --- a/drivers/xen/Makefile
> > +++ b/drivers/xen/Makefile
> > @@ -39,6 +39,7 @@ obj-$(CONFIG_XEN_EFI)			+= efi.o
> >  obj-$(CONFIG_XEN_SCSI_BACKEND)		+= xen-scsiback.o
> >  obj-$(CONFIG_XEN_AUTO_XLATE)		+= xlate_mmu.o
> >  obj-$(CONFIG_XEN_PVCALLS_BACKEND)	+= pvcalls-back.o
> > +obj-$(CONFIG_XEN_PVCALLS_FRONTEND)	+= pvcalls-front.o
> >  xen-evtchn-y				:= evtchn.o
> >  xen-gntdev-y				:= gntdev.o
> >  xen-gntalloc-y				:= gntalloc.o
>