'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
---
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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