-#
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
-#
-
config SCHED_MC
def_bool y
depends on SMP
config NO_DMA
def_bool y
+config ARCH_DMA_ADDR_T_64BIT
+ def_bool 64BIT
+
config GENERIC_LOCKBREAK
bool
default y
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y
-mainmenu "Linux Kernel Configuration"
-
config S390
def_bool y
select USE_GENERIC_SMP_HELPERS if SMP
select HAVE_FUNCTION_TRACER
select HAVE_FUNCTION_TRACE_MCOUNT_TEST
select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_C_RECORDMCOUNT
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_KVM if 64BIT
select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE
+ select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_LZO
+ select HAVE_GET_USER_PAGES_FAST
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK
config 64BIT
bool "64 bit kernel"
help
- Select this option if you have a 64 bit IBM zSeries machine
+ Select this option if you have an IBM z/Architecture machine
and want to use the 64 bit addressing mode.
config 32BIT
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
+config SCHED_MC
+ def_bool y
+ prompt "Multi-core scheduler support"
+ depends on SMP
+ help
+ Multi-core scheduler support improves the CPU scheduler's decision
+ making when dealing with multi-core CPU chips at a cost of slightly
+ increased overhead in some places.
+
+config SCHED_BOOK
+ bool "Book scheduler support"
+ depends on SMP && SCHED_MC
+ help
+ Book scheduler support improves the CPU scheduler's decision making
+ when dealing with machines that have several books.
+
config MATHEMU
bool "IEEE FPU emulation"
depends on MARCH_G5
help
This option is required for IEEE compliant floating point arithmetic
- on older S/390 machines. Say Y unless you know your machine doesn't
+ on older ESA/390 machines. Say Y unless you know your machine doesn't
need this.
config COMPAT
space programs and it also selects the addressing mode option above.
The kernel parameter noexec=on will enable this feature and also
switch the addressing modes, default is disabled. Enabling this (via
- kernel parameter) on machines earlier than IBM System z9-109 EC/BC
- will reduce system performance.
+ kernel parameter) on machines earlier than IBM System z9 this will
+ reduce system performance.
comment "Code generation options"
default MARCH_G5
config MARCH_G5
- bool "S/390 model G5 and G6"
+ bool "System/390 model G5 and G6"
depends on !64BIT
help
Select this to build a 31 bit kernel that works
- on all S/390 and zSeries machines.
+ on all ESA/390 and z/Architecture machines.
config MARCH_Z900
- bool "IBM eServer zSeries model z800 and z900"
+ bool "IBM zSeries model z800 and z900"
help
- Select this to optimize for zSeries machines. This
- will enable some optimizations that are not available
- on older 31 bit only CPUs.
+ Select this to enable optimizations for model z800/z900 (2064 and
+ 2066 series). This will enable some optimizations that are not
+ available on older ESA/390 (31 Bit) only CPUs.
config MARCH_Z990
- bool "IBM eServer zSeries model z890 and z990"
+ bool "IBM zSeries model z890 and z990"
help
- Select this enable optimizations for model z890/z990.
- This will be slightly faster but does not work on
- older machines such as the z900.
+ Select this to enable optimizations for model z890/z990 (2084 and
+ 2086 series). The kernel will be slightly faster but will not work
+ on older machines.
config MARCH_Z9_109
bool "IBM System z9"
help
- Select this to enable optimizations for IBM System z9-109, IBM
- System z9 Enterprise Class (z9 EC), and IBM System z9 Business
- Class (z9 BC). The kernel will be slightly faster but will not
- work on older machines such as the z990, z890, z900, and z800.
+ Select this to enable optimizations for IBM System z9 (2094 and
+ 2096 series). The kernel will be slightly faster but will not work
+ on older machines.
config MARCH_Z10
bool "IBM System z10"
help
- Select this to enable optimizations for IBM System z10. The
- kernel will be slightly faster but will not work on older
- machines such as the z990, z890, z900, z800, z9-109, z9-ec
- and z9-bc.
+ Select this to enable optimizations for IBM System z10 (2097 and
+ 2098 series). The kernel will be slightly faster but will not work
+ on older machines.
+
+config MARCH_Z196
+ bool "IBM zEnterprise 196"
+ help
+ Select this to enable optimizations for IBM zEnterprise 196
+ (2817 series). The kernel will be slightly faster but will not work
+ on older machines.
endchoice
git.openpandora.org / pandora-kernel.git / blobdiff