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-rw-r--r--arch/um/Kconfig53
1 files changed, 23 insertions, 30 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index 3b5f47c4690..5982fe2753e 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -7,7 +7,6 @@ config UML
bool
default y
-# XXX: does UM have a mmu/swap?
config MMU
bool
default y
@@ -23,10 +22,6 @@ config SBUS
config PCI
bool
-config UID16
- bool
- default y
-
config GENERIC_CALIBRATE_DELAY
bool
default y
@@ -36,22 +31,16 @@ config IRQ_RELEASE_METHOD
bool
default y
-menu "Host processor type and features"
-
-source "arch/i386/Kconfig.cpu"
-
-endmenu
-
menu "UML-specific options"
config MODE_TT
bool "Tracing thread support"
- default y
+ default n
help
This option controls whether tracing thread support is compiled
- into UML. Normally, this should be set to Y. If you intend to
- use only skas mode (and the host has the skas patch applied to it),
- then it is OK to say N here.
+ into UML. This option is largely obsolete, given that skas0 provides
+ skas security and performance without needing to patch the host.
+ It is safe to say 'N' here.
config STATIC_LINK
bool "Force a static link"
@@ -90,7 +79,7 @@ config KERNEL_HALF_GIGS
of physical memory.
config MODE_SKAS
- bool "Separate Kernel Address Space support"
+ bool "Separate Kernel Address Space support" if MODE_TT
default y
help
This option controls whether skas (separate kernel address space)
@@ -154,6 +143,7 @@ config HOSTFS
config HPPFS
tristate "HoneyPot ProcFS (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
help
hppfs (HoneyPot ProcFS) is a filesystem which allows UML /proc
entries to be overridden, removed, or fabricated from the host.
@@ -166,10 +156,6 @@ config HPPFS
You only need this if you are setting up a UML honeypot. Otherwise,
it is safe to say 'N' here.
- If you are actively using it, please report any problems, since it's
- getting fixed. In this moment, it is experimental on 2.6 (it works on
- 2.4).
-
config MCONSOLE
bool "Management console"
default y
@@ -209,7 +195,8 @@ config MAGIC_SYSRQ
config SMP
bool "Symmetric multi-processing support (EXPERIMENTAL)"
default n
- depends on (MODE_TT && EXPERIMENTAL && !SMP_BROKEN) || (BROKEN && SMP_BROKEN)
+ #SMP_BROKEN is for x86_64.
+ depends on MODE_TT && EXPERIMENTAL && (!SMP_BROKEN || (BROKEN && SMP_BROKEN))
help
This option enables UML SMP support.
It is NOT related to having a real SMP box. Not directly, at least.
@@ -253,8 +240,16 @@ config NEST_LEVEL
Only change this if you are running nested UMLs.
config HIGHMEM
- bool "Highmem support"
- depends on !64BIT
+ bool "Highmem support (EXPERIMENTAL)"
+ depends on !64BIT && EXPERIMENTAL
+ default n
+ help
+ This was used to allow UML to run with big amounts of memory.
+ Currently it is unstable, so if unsure say N.
+
+ To use big amounts of memory, it is recommended to disable TT mode (i.e.
+ CONFIG_MODE_TT) and enable static linking (i.e. CONFIG_STATIC_LINK) -
+ this should allow the guest to use up to 2.75G of memory.
config KERNEL_STACK_ORDER
int "Kernel stack size order"
@@ -279,22 +274,20 @@ endmenu
source "init/Kconfig"
-source "net/Kconfig"
-
-source "drivers/base/Kconfig"
+source "drivers/block/Kconfig"
source "arch/um/Kconfig.char"
-source "drivers/block/Kconfig"
+source "drivers/base/Kconfig"
-config NETDEVICES
- bool
- default NET
+source "net/Kconfig"
source "arch/um/Kconfig.net"
source "drivers/net/Kconfig"
+source "drivers/connector/Kconfig"
+
source "fs/Kconfig"
source "security/Kconfig"