xen: introduce a Kconfig option to enable the pvcalls backend

Also add pvcalls-back to the Makefile. Signed-off-by: Stefano Stabellini <[email protected]> Reviewed-by: Juergen Gross <[email protected]> CC: [email protected] CC: [email protected] Signed-off-by: Boris Ostrovsky <[email protected]>
vieko · Aug 31, 2017 · 42d3078 · 42d3078
1 parent 5ad9918
commit 42d3078
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diff --git 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 && XEN_BACKEND
+	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
@@ -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