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-rw-r--r--arch/s390/Kconfig56
1 files changed, 27 insertions, 29 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 9015060919a0..e16390c0bca8 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -122,6 +122,7 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_BH
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+ select GENERIC_SMP_IDLE_THREAD
config SCHED_OMIT_FRAME_POINTER
def_bool y
@@ -217,7 +218,7 @@ config COMPAT
def_bool y
prompt "Kernel support for 31 bit emulation"
depends on 64BIT
- select COMPAT_BINFMT_ELF
+ select COMPAT_BINFMT_ELF if BINFMT_ELF
select ARCH_WANT_OLD_COMPAT_IPC
help
Select this option if you want to enable your system kernel to
@@ -234,6 +235,25 @@ config KEYS_COMPAT
config AUDIT_ARCH
def_bool y
+config HAVE_MARCH_Z900_FEATURES
+ def_bool n
+
+config HAVE_MARCH_Z990_FEATURES
+ def_bool n
+ select HAVE_MARCH_Z900_FEATURES
+
+config HAVE_MARCH_Z9_109_FEATURES
+ def_bool n
+ select HAVE_MARCH_Z990_FEATURES
+
+config HAVE_MARCH_Z10_FEATURES
+ def_bool n
+ select HAVE_MARCH_Z9_109_FEATURES
+
+config HAVE_MARCH_Z196_FEATURES
+ def_bool n
+ select HAVE_MARCH_Z10_FEATURES
+
comment "Code generation options"
choice
@@ -249,6 +269,7 @@ config MARCH_G5
config MARCH_Z900
bool "IBM zSeries model z800 and z900"
+ select HAVE_MARCH_Z900_FEATURES if 64BIT
help
Select this to enable optimizations for model z800/z900 (2064 and
2066 series). This will enable some optimizations that are not
@@ -256,6 +277,7 @@ config MARCH_Z900
config MARCH_Z990
bool "IBM zSeries model z890 and z990"
+ select HAVE_MARCH_Z990_FEATURES if 64BIT
help
Select this to enable optimizations for model z890/z990 (2084 and
2086 series). The kernel will be slightly faster but will not work
@@ -263,6 +285,7 @@ config MARCH_Z990
config MARCH_Z9_109
bool "IBM System z9"
+ select HAVE_MARCH_Z9_109_FEATURES if 64BIT
help
Select this to enable optimizations for IBM System z9 (2094 and
2096 series). The kernel will be slightly faster but will not work
@@ -270,6 +293,7 @@ config MARCH_Z9_109
config MARCH_Z10
bool "IBM System z10"
+ select HAVE_MARCH_Z10_FEATURES if 64BIT
help
Select this to enable optimizations for IBM System z10 (2097 and
2098 series). The kernel will be slightly faster but will not work
@@ -277,6 +301,7 @@ config MARCH_Z10
config MARCH_Z196
bool "IBM zEnterprise 114 and 196"
+ select HAVE_MARCH_Z196_FEATURES if 64BIT
help
Select this to enable optimizations for IBM zEnterprise 114 and 196
(2818 and 2817 series). The kernel will be slightly faster but will
@@ -406,33 +431,6 @@ config CHSC_SCH
comment "Misc"
-config IPL
- def_bool y
- prompt "Builtin IPL record support"
- help
- If you want to use the produced kernel to IPL directly from a
- device, you have to merge a bootsector specific to the device
- into the first bytes of the kernel. You will have to select the
- IPL device.
-
-choice
- prompt "IPL method generated into head.S"
- depends on IPL
- default IPL_VM
- help
- Select "tape" if you want to IPL the image from a Tape.
-
- Select "vm_reader" if you are running under VM/ESA and want
- to IPL the image from the emulated card reader.
-
-config IPL_TAPE
- bool "tape"
-
-config IPL_VM
- bool "vm_reader"
-
-endchoice
-
source "fs/Kconfig.binfmt"
config FORCE_MAX_ZONEORDER
@@ -569,7 +567,7 @@ config KEXEC
config CRASH_DUMP
bool "kernel crash dumps"
- depends on 64BIT
+ depends on 64BIT && SMP
select KEXEC
help
Generate crash dump after being started by kexec.