[PATCH] xen: remove redundant 'default n' from Kconfig

[Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>]

'default n' is the default value for any bool or tristate Kconfig
setting so there is no need to write it explicitly.

Also since commit f467c5640c29 ("kconfig: only write '# CONFIG_FOO
is not set' for visible symbols") the Kconfig behavior is the same
regardless of 'default n' being present or not:

    ...
    One side effect of (and the main motivation for) this change is making
    the following two definitions behave exactly the same:
    
        config FOO
                bool
    
        config FOO
                bool
                default n
    
    With this change, neither of these will generate a
    '# CONFIG_FOO is not set' line (assuming FOO isn't selected/implied).
    That might make it clearer to people that a bare 'default n' is
    redundant.
    ...

Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
---
 drivers/xen/Kconfig |    8 --------
 1 file changed, 8 deletions(-)

Index: b/drivers/xen/Kconfig
===================================================================
--- a/drivers/xen/Kconfig	2018-10-09 15:58:51.191123246 +0200
+++ b/drivers/xen/Kconfig	2018-10-16 16:32:13.387726147 +0200
@@ -12,7 +12,6 @@ config XEN_BALLOON
 config XEN_SELFBALLOONING
 	bool "Dynamically self-balloon kernel memory to target"
 	depends on XEN && XEN_BALLOON && CLEANCACHE && SWAP && XEN_TMEM
-	default n
 	help
 	  Self-ballooning dynamically balloons available kernel memory driven
 	  by the current usage of anonymous memory ("committed AS") and
@@ -27,7 +26,6 @@ config XEN_SELFBALLOONING
 
 config XEN_BALLOON_MEMORY_HOTPLUG
 	bool "Memory hotplug support for Xen balloon driver"
-	default n
 	depends on XEN_BALLOON && MEMORY_HOTPLUG
 	help
 	  Memory hotplug support for Xen balloon driver allows expanding memory
@@ -226,7 +224,6 @@ config XEN_PCIDEV_BACKEND
 config XEN_PVCALLS_FRONTEND
 	tristate "XEN PV Calls frontend driver"
 	depends on INET && XEN
-	default n
 	select XEN_XENBUS_FRONTEND
 	help
 	  Experimental frontend for the Xen PV Calls protocol
@@ -237,7 +234,6 @@ config XEN_PVCALLS_FRONTEND
 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
@@ -263,7 +259,6 @@ config XEN_PRIVCMD
 config XEN_STUB
 	bool "Xen stub drivers"
 	depends on XEN && X86_64 && BROKEN
-	default n
 	help
 	  Allow kernel to install stub drivers, to reserve space for Xen drivers,
 	  i.e. memory hotplug and cpu hotplug, and to block native drivers loaded,
@@ -274,7 +269,6 @@ config XEN_STUB
 config XEN_ACPI_HOTPLUG_MEMORY
 	tristate "Xen ACPI memory hotplug"
 	depends on XEN_DOM0 && XEN_STUB && ACPI
-	default n
 	help
 	  This is Xen ACPI memory hotplug.
 
@@ -286,7 +280,6 @@ config XEN_ACPI_HOTPLUG_CPU
 	tristate "Xen ACPI cpu hotplug"
 	depends on XEN_DOM0 && XEN_STUB && ACPI
 	select ACPI_CONTAINER
-	default n
 	help
 	  Xen ACPI cpu enumerating and hotplugging
 
@@ -315,7 +308,6 @@ config XEN_ACPI_PROCESSOR
 config XEN_MCE_LOG
 	bool "Xen platform mcelog"
 	depends on XEN_DOM0 && X86_64 && X86_MCE
-	default n
 	help
 	  Allow kernel fetching MCE error from Xen platform and
 	  converting it into Linux mcelog format for mcelog tools

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