linux-kernel - Re: [PATCH v3 18/18] xen: introduce a Kconfig option to enable the pvcalls backend

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Message-ID: <alpine.DEB.2.10.1706131646470.12156@sstabellini-ThinkPad-X260>
Date:   Tue, 13 Jun 2017 16:46:58 -0700 (PDT)
From:   Stefano Stabellini <sstabellini@...nel.org>
To:     Juergen Gross <jgross@...e.com>
cc:     Stefano Stabellini <sstabellini@...nel.org>,
        xen-devel@...ts.xen.org, linux-kernel@...r.kernel.org,
        boris.ostrovsky@...cle.com,
        Stefano Stabellini <stefano@...reto.com>
Subject: Re: [PATCH v3 18/18] xen: introduce a Kconfig option to enable the
 pvcalls backend

On Tue, 13 Jun 2017, Juergen Gross wrote:
> On 02/06/17 21:31, Stefano Stabellini wrote:
> > Also add pvcalls-back to the Makefile.
> > 
> > Signed-off-by: Stefano Stabellini <stefano@...reto.com>
> > CC: boris.ostrovsky@...cle.com
> > CC: jgross@...e.com
> > ---
> >  drivers/xen/Kconfig  | 12 ++++++++++++
> >  drivers/xen/Makefile |  1 +
> >  2 files changed, 13 insertions(+)
> > 
> > diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> > index f15bb3b7..bbdf059 100644
> > --- a/drivers/xen/Kconfig
> > +++ b/drivers/xen/Kconfig
> > @@ -196,6 +196,18 @@ config XEN_PCIDEV_BACKEND
> >  
> >  	  If in doubt, say m.
> >  
> > +config XEN_PVCALLS_BACKEND
> > +	bool "XEN PV Calls backend driver"
> > +	depends on INET && XEN
> 
> depends on XEN_BACKEND?

Yes, I'll make the change


> > +	default n
> > +	help
> > +	  Experimental backend for the Xen PV Calls protocol
> > +	  (https://xenbits.xen.org/docs/unstable/misc/pvcalls.html). It
> > +	  allows PV Calls frontends to send POSIX calls to the backend,
> > +	  which implements them.
> > +
> > +	  If in doubt, say n.
> > +
> >  config XEN_SCSI_BACKEND
> >  	tristate "XEN SCSI backend driver"
> >  	depends on XEN && XEN_BACKEND && TARGET_CORE
> > diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile
> > index 8feab810..480b928 100644
> > --- a/drivers/xen/Makefile
> > +++ b/drivers/xen/Makefile
> > @@ -38,6 +38,7 @@ obj-$(CONFIG_XEN_ACPI_PROCESSOR)	+= xen-acpi-processor.o
> >  obj-$(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
> >  xen-evtchn-y				:= evtchn.o
> >  xen-gntdev-y				:= gntdev.o
> >  xen-gntalloc-y				:= gntalloc.o
> > 
>