bool
default y if KVM
+config VIRT_CPU_ACCOUNTING
+ def_bool 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_SYSCALL_WRAPPERS
+ select HAVE_FUNCTION_TRACER
+ select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+ select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_SYSCALL_TRACEPOINTS
+ select HAVE_DYNAMIC_FTRACE
+ select HAVE_FUNCTION_GRAPH_TRACER
+ select HAVE_DEFAULT_NO_SPIN_MUTEXES
select HAVE_OPROFILE
select HAVE_KPROBES
select HAVE_KRETPROBES
select HAVE_KVM if 64BIT
select HAVE_ARCH_TRACEHOOK
+ select INIT_ALL_POSSIBLE
+ select HAVE_PERF_EVENTS
+ select ARCH_INLINE_SPIN_TRYLOCK
+ select ARCH_INLINE_SPIN_TRYLOCK_BH
+ select ARCH_INLINE_SPIN_LOCK
+ select ARCH_INLINE_SPIN_LOCK_BH
+ select ARCH_INLINE_SPIN_LOCK_IRQ
+ select ARCH_INLINE_SPIN_LOCK_IRQSAVE
+ select ARCH_INLINE_SPIN_UNLOCK
+ select ARCH_INLINE_SPIN_UNLOCK_BH
+ select ARCH_INLINE_SPIN_UNLOCK_IRQ
+ select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
+ select ARCH_INLINE_READ_TRYLOCK
+ select ARCH_INLINE_READ_LOCK
+ select ARCH_INLINE_READ_LOCK_BH
+ select ARCH_INLINE_READ_LOCK_IRQ
+ select ARCH_INLINE_READ_LOCK_IRQSAVE
+ select ARCH_INLINE_READ_UNLOCK
+ select ARCH_INLINE_READ_UNLOCK_BH
+ select ARCH_INLINE_READ_UNLOCK_IRQ
+ select ARCH_INLINE_READ_UNLOCK_IRQRESTORE
+ select ARCH_INLINE_WRITE_TRYLOCK
+ select ARCH_INLINE_WRITE_LOCK
+ select ARCH_INLINE_WRITE_LOCK_BH
+ select ARCH_INLINE_WRITE_LOCK_IRQ
+ select ARCH_INLINE_WRITE_LOCK_IRQSAVE
+ select ARCH_INLINE_WRITE_UNLOCK
+ select ARCH_INLINE_WRITE_UNLOCK_BH
+ select ARCH_INLINE_WRITE_UNLOCK_IRQ
+ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+
+config SCHED_OMIT_FRAME_POINTER
+ bool
+ default y
source "init/Kconfig"
bool
default y if !64BIT
+config KTIME_SCALAR
+ def_bool 32BIT
+
config SMP
bool "Symmetric multi-processing support"
---help---
bool
default y
-config S390_SWITCH_AMODE
- bool "Switch kernel/user addressing modes"
- help
- This option allows to switch the addressing modes of kernel and user
- space. The kernel parameter switch_amode=on will enable this feature,
- default is disabled. Enabling this (via kernel parameter) on machines
- earlier than IBM System z9-109 EC/BC will reduce system performance.
-
- Note that this option will also be selected by selecting the execute
- protection option below. Enabling the execute protection via the
- noexec kernel parameter will also switch the addressing modes,
- independent of the switch_amode kernel parameter.
-
-
config S390_EXEC_PROTECT
bool "Data execute protection"
- select S390_SWITCH_AMODE
help
This option allows to enable a buffer overflow protection for user
space programs and it also selects the addressing mode option above.
Class (z9 BC). The kernel will be slightly faster but will not
work on older machines such as the z990, z890, z900, and z800.
+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.
+
endchoice
config PACK_STACK
This option enables the compiler options -mwarn-framesize and
-mwarn-dynamicstack. If the compiler supports these options it
will generate warnings for function which either use alloca or
- create a stack frame bigger then CONFIG_WARN_STACK_SIZE.
+ create a stack frame bigger than CONFIG_WARN_STACK_SIZE.
Say N if you are unsure.
config ARCH_ENABLE_MEMORY_HOTREMOVE
def_bool y
+config ARCH_HIBERNATION_POSSIBLE
+ def_bool y if 64BIT
+
source "mm/Kconfig"
comment "I/O subsystem configuration"
-config MACHCHK_WARNING
- bool "Process warning machine checks"
- help
- Select this option if you want the machine check handler on IBM S/390 or
- zSeries to process warning machine checks (e.g. on power failures).
- If unsure, say "Y".
-
config QDIO
tristate "QDIO support"
---help---
If unsure, say Y.
-config QDIO_DEBUG
- bool "Extended debugging information"
- depends on QDIO
- help
- Say Y here to get extended debugging output in
- /sys/kernel/debug/s390dbf/qdio...
- Warning: this option reduces the performance of the QDIO module.
-
- If unsure, say N.
-
config CHSC_SCH
tristate "Support for CHSC subchannels"
help
Select this option to enable the special message interface to
the cooperative memory management.
-config PAGE_STATES
- bool "Unused page notification"
- help
- This enables the notification of unused pages to the
- hypervisor. The ESSA instruction is used to do the states
- changes between a page that has content and the unused state.
-
-config VIRT_TIMER
- bool "Virtual CPU timer support"
- help
- This provides a kernel interface for virtual CPU timers.
- Default is disabled.
-
-config VIRT_CPU_ACCOUNTING
- bool "Base user process accounting on virtual cpu timer"
- depends on VIRT_TIMER
- help
- Select this option to use CPU timer deltas to do user
- process accounting.
-
config APPLDATA_BASE
bool "Linux - VM Monitor Stream, base infrastructure"
- depends on PROC_FS && VIRT_TIMER=y
+ depends on PROC_FS
help
This provides a kernel interface for creating and updating z/VM APPLDATA
monitor records. The monitor records are updated at certain time
config APPLDATA_NET_SUM
tristate "Monitor overall network statistics"
- depends on APPLDATA_BASE
+ depends on APPLDATA_BASE && NET
help
This provides network related data to the Linux - VM Monitor Stream,
currently there is only a total sum of network I/O statistics, no
but is independent of hardware/microcode support.
config ZFCPDUMP
- tristate "zfcpdump support"
+ bool "zfcpdump support"
select SMP
default n
help
the KVM hypervisor. This will add detection for KVM as well as a
virtio transport. If KVM is detected, the virtio console will be
the default console.
+
+config SECCOMP
+ bool "Enable seccomp to safely compute untrusted bytecode"
+ depends on PROC_FS
+ default y
+ help
+ This kernel feature is useful for number crunching applications
+ that may need to compute untrusted bytecode during their
+ execution. By using pipes or other transports made available to
+ the process as file descriptors supporting the read/write
+ syscalls, it's possible to isolate those applications in
+ their own address space using seccomp. Once seccomp is
+ enabled via /proc/<pid>/seccomp, it cannot be disabled
+ and the task is only allowed to execute a few safe syscalls
+ defined by each seccomp mode.
+
+ If unsure, say Y.
+
+endmenu
+
+menu "Power Management"
+
+source "kernel/power/Kconfig"
+
endmenu
source "net/Kconfig"
Code Review / linux-2.6.git / blobdiff