bool
default y
+config LOCKDEP_SUPPORT
+ bool
+ default y
+
+config STACKTRACE_SUPPORT
+ bool
+ default y
+
config RWSEM_GENERIC_SPINLOCK
bool
bool
default y
-config GENERIC_CALIBRATE_DELAY
+config ARCH_HAS_ILOG2_U32
+ bool
+ default n
+
+config ARCH_HAS_ILOG2_U64
+ bool
+ default n
+
+config GENERIC_HWEIGHT
bool
default y
-config GENERIC_BUST_SPINLOCK
+config GENERIC_CALIBRATE_DELAY
bool
+ default y
+
+config GENERIC_TIME
+ def_bool y
mainmenu "Linux Kernel Configuration"
Select this option if you have a 64 bit IBM zSeries machine
and want to use the 64 bit addressing mode.
+config 32BIT
+ bool
+ default y if !64BIT
+
config SMP
bool "Symmetric multi-processing support"
---help---
depends on COMPAT && SYSVIPC
default y
-config BINFMT_ELF32
- tristate "Kernel support for 31 bit ELF binaries"
- depends on COMPAT
- help
- This allows you to run 32-bit Linux/ELF binaries on your zSeries
- in 64 bit mode. Everybody wants this; say Y.
+config AUDIT_ARCH
+ bool
+ default y
comment "Code generation options"
This will be slightly faster but does not work on
older machines such as the z900.
+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.
+
endchoice
config PACK_STACK
config SMALL_STACK
bool "Use 4kb/8kb for kernel stack instead of 8kb/16kb"
- depends on PACK_STACK
+ depends on PACK_STACK && !LOCKDEP
help
If you say Y here and the compiler supports the -mkernel-backchain
option the kernel will use a smaller kernel stack size. For 31 bit
This allows you to specify the maximum frame size a function may
have without the compiler complaining about it.
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
source "mm/Kconfig"
+config HOLES_IN_ZONE
+ def_bool y
+
comment "I/O subsystem configuration"
config MACHCHK_WARNING
If unsure, say Y.
-config QDIO_PERF_STATS
- bool "Performance statistics in /proc"
- depends on QDIO
- help
- Say Y here to get performance statistics in /proc/qdio_perf
-
- If unsure, say N.
-
config QDIO_DEBUG
bool "Extended debugging information"
depends on QDIO
config APPLDATA_MEM
tristate "Monitor memory management statistics"
- depends on APPLDATA_BASE
+ depends on APPLDATA_BASE && VM_EVENT_COUNTERS
help
This provides memory management related data to the Linux - VM Monitor
Stream, like paging/swapping rate, memory utilisation, etc.
The HZ timer is switched off in idle by default. That means the
HZ timer is already disabled at boot time.
+config S390_HYPFS_FS
+ bool "s390 hypervisor file system support"
+ select SYS_HYPERVISOR
+ default y
+ help
+ This is a virtual file system intended to provide accounting
+ information in an s390 hypervisor environment.
+
config KEXEC
- bool "kexec system call (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ bool "kexec system call"
help
kexec is a system call that implements the ability to shutdown your
current kernel, and to start another kernel. It is like a reboot
source "drivers/base/Kconfig"
+source "drivers/connector/Kconfig"
+
source "drivers/scsi/Kconfig"
source "drivers/s390/Kconfig"
source "fs/Kconfig"
+menu "Instrumentation Support"
+
source "arch/s390/oprofile/Kconfig"
+config KPROBES
+ bool "Kprobes (EXPERIMENTAL)"
+ depends on EXPERIMENTAL && MODULES
+ help
+ Kprobes allows you to trap at almost any kernel address and
+ execute a callback function. register_kprobe() establishes
+ a probepoint and specifies the callback. Kprobes is useful
+ for kernel debugging, non-intrusive instrumentation and testing.
+ If in doubt, say "N".
+
+endmenu
+
source "arch/s390/Kconfig.debug"
source "kernel/vserver/Kconfig"