def_bool y
config ARCH_DMA_ADDR_T_64BIT
- def_bool 64BIT
+ def_bool y
config GENERIC_LOCKBREAK
def_bool y if SMP && PREEMPT
def_bool n
config ARCH_SUPPORTS_UPROBES
- def_bool 64BIT
+ def_bool y
config S390
def_bool y
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
+ select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_SG_CHAIN
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_INLINE_READ_LOCK
select ARCH_INLINE_READ_LOCK_BH
select GENERIC_TIME_VSYSCALL
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL
- select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
+ select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
- select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
- select HAVE_BPF_JIT if 64BIT && PACK_STACK
+ select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ select HAVE_BPF_JIT if PACK_STACK
select HAVE_CMPXCHG_DOUBLE
select HAVE_CMPXCHG_LOCAL
- select HAVE_C_RECORDMCOUNT
select HAVE_DEBUG_KMEMLEAK
- select HAVE_DYNAMIC_FTRACE if 64BIT
- select HAVE_DYNAMIC_FTRACE_WITH_REGS if 64BIT
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_DYNAMIC_FTRACE_WITH_REGS
select HAVE_FTRACE_MCOUNT_RECORD
- select HAVE_FUNCTION_GRAPH_TRACER if 64BIT
- select HAVE_FUNCTION_TRACER if 64BIT
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_FUNCTION_TRACER
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_XZ
select HAVE_KPROBES
select HAVE_KRETPROBES
- select HAVE_KVM if 64BIT
+ select HAVE_KVM
select HAVE_LIVEPATCH
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_PERF_EVENTS
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_SYSCALL_TRACEPOINTS
- select HAVE_UID16 if 32BIT
select HAVE_VIRT_CPU_ACCOUNTING
select MODULES_USE_ELF_RELA
select NO_BOOTMEM
select TTY
select VIRT_CPU_ACCOUNTING
select VIRT_TO_BUS
- select ARCH_HAS_SG_CHAIN
config SCHED_OMIT_FRAME_POINTER
def_bool y
+config PGTABLE_LEVELS
+ int
+ default 4 if 64BIT
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
def_bool n
select HAVE_MARCH_Z196_FEATURES
+config HAVE_MARCH_Z13_FEATURES
+ def_bool n
+ select HAVE_MARCH_ZEC12_FEATURES
+
choice
prompt "Processor type"
- default MARCH_G5
-
-config MARCH_G5
- bool "System/390 model G5 and G6"
- depends on !64BIT
- help
- Select this to build a 31 bit kernel that works
- on all ESA/390 and z/Architecture machines.
+ default MARCH_Z900
config MARCH_Z900
bool "IBM zSeries model z800 and z900"
- select HAVE_MARCH_Z900_FEATURES if 64BIT
+ select HAVE_MARCH_Z900_FEATURES
help
Select this to enable optimizations for model z800/z900 (2064 and
2066 series). This will enable some optimizations that are not
config MARCH_Z990
bool "IBM zSeries model z890 and z990"
- select HAVE_MARCH_Z990_FEATURES if 64BIT
+ select HAVE_MARCH_Z990_FEATURES
help
Select this to enable optimizations for model z890/z990 (2084 and
2086 series). The kernel will be slightly faster but will not work
config MARCH_Z9_109
bool "IBM System z9"
- select HAVE_MARCH_Z9_109_FEATURES if 64BIT
+ select HAVE_MARCH_Z9_109_FEATURES
help
Select this to enable optimizations for IBM System z9 (2094 and
2096 series). The kernel will be slightly faster but will not work
config MARCH_Z10
bool "IBM System z10"
- select HAVE_MARCH_Z10_FEATURES if 64BIT
+ select HAVE_MARCH_Z10_FEATURES
help
Select this to enable optimizations for IBM System z10 (2097 and
2098 series). The kernel will be slightly faster but will not work
config MARCH_Z196
bool "IBM zEnterprise 114 and 196"
- select HAVE_MARCH_Z196_FEATURES if 64BIT
+ select HAVE_MARCH_Z196_FEATURES
help
Select this to enable optimizations for IBM zEnterprise 114 and 196
(2818 and 2817 series). The kernel will be slightly faster but will
config MARCH_ZEC12
bool "IBM zBC12 and zEC12"
- select HAVE_MARCH_ZEC12_FEATURES if 64BIT
+ select HAVE_MARCH_ZEC12_FEATURES
help
Select this to enable optimizations for IBM zBC12 and zEC12 (2828 and
2827 series). The kernel will be slightly faster but will not work on
older machines.
-endchoice
+config MARCH_Z13
+ bool "IBM z13"
+ select HAVE_MARCH_Z13_FEATURES
+ help
+ Select this to enable optimizations for IBM z13 (2964 series).
+ The kernel will be slightly faster but will not work on older
+ machines.
-config MARCH_G5_TUNE
- def_bool TUNE_G5 || MARCH_G5 && TUNE_DEFAULT
+endchoice
config MARCH_Z900_TUNE
def_bool TUNE_Z900 || MARCH_Z900 && TUNE_DEFAULT
config MARCH_ZEC12_TUNE
def_bool TUNE_ZEC12 || MARCH_ZEC12 && TUNE_DEFAULT
+config MARCH_Z13_TUNE
+ def_bool TUNE_Z13 || MARCH_Z13 && TUNE_DEFAULT
+
choice
prompt "Tune code generation"
default TUNE_DEFAULT
Tune the generated code for the target processor for which the kernel
will be compiled.
-config TUNE_G5
- bool "System/390 model G5 and G6"
-
config TUNE_Z900
bool "IBM zSeries model z800 and z900"
config TUNE_ZEC12
bool "IBM zBC12 and zEC12"
+config TUNE_Z13
+ bool "IBM z13"
+
endchoice
config 64BIT
def_bool y
- prompt "64 bit kernel"
- help
- Select this option if you have an IBM z/Architecture machine
- and want to use the 64 bit addressing mode.
-
-config 32BIT
- def_bool y if !64BIT
config COMPAT
def_bool y
prompt "Kernel support for 31 bit emulation"
- depends on 64BIT
select COMPAT_BINFMT_ELF if BINFMT_ELF
select ARCH_WANT_OLD_COMPAT_IPC
select COMPAT_OLD_SIGACTION
Even if you don't know what to do here, say Y.
config NR_CPUS
- int "Maximum number of CPUs (2-256)"
- range 2 256
+ int "Maximum number of CPUs (2-512)"
+ range 2 512
depends on SMP
- default "32" if !64BIT
- default "64" if 64BIT
+ default "64"
help
This allows you to specify the maximum number of CPUs which this
- kernel will support. The maximum supported value is 256 and the
+ kernel will support. The maximum supported value is 512 and the
minimum value which makes sense is 2.
This is purely to save memory - each supported CPU adds
can be controlled through /sys/devices/system/cpu/cpu#.
Say N if you want to disable CPU hotplug.
+config SCHED_SMT
+ def_bool n
+
config SCHED_MC
def_bool n
config SCHED_BOOK
+ def_bool n
+
+config SCHED_TOPOLOGY
def_bool y
- prompt "Book scheduler support"
+ prompt "Topology scheduler support"
depends on SMP
+ select SCHED_SMT
select SCHED_MC
+ select SCHED_BOOK
help
- Book scheduler support improves the CPU scheduler's decision making
- when dealing with machines that have several books.
+ Topology scheduler support improves the CPU scheduler's decision
+ making when dealing with machines that have multi-threading,
+ multiple cores or multiple books.
source kernel/Kconfig.preempt
-config MATHEMU
- def_bool y
- prompt "IEEE FPU emulation"
- depends on MARCH_G5
- help
- This option is required for IEEE compliant floating point arithmetic
- on older ESA/390 machines. Say Y unless you know your machine doesn't
- need this.
-
source kernel/Kconfig.hz
endmenu
def_bool y
select SPARSEMEM_VMEMMAP_ENABLE
select SPARSEMEM_VMEMMAP
- select SPARSEMEM_STATIC if !64BIT
config ARCH_SPARSEMEM_DEFAULT
def_bool y
config ARCH_ENABLE_SPLIT_PMD_PTLOCK
def_bool y
- depends on 64BIT
config FORCE_MAX_ZONEORDER
int
menuconfig PCI
bool "PCI support"
- depends on 64BIT
select HAVE_DMA_ATTRS
select PCI_MSI
help
config SCM_BUS
def_bool y
- depends on 64BIT
prompt "SCM bus driver"
help
Bus driver for Storage Class Memory.
config CRASH_DUMP
bool "kernel crash dumps"
- depends on 64BIT && SMP
+ depends on SMP
select KEXEC
help
Generate crash dump after being started by kexec.
menu "Power Management"
config ARCH_HIBERNATION_POSSIBLE
- def_bool y if 64BIT
+ def_bool y
source "kernel/power/Kconfig"
config S390_GUEST
def_bool y
prompt "s390 support for virtio devices"
- depends on 64BIT
select TTY
select VIRTUALIZATION
select VIRTIO
projects / karo-tx-linux.git / blobdiff