| config MMU | |
| def_bool y | |
| config ZONE_DMA | |
| def_bool y | |
| config LOCKDEP_SUPPORT | |
| def_bool y | |
| config STACKTRACE_SUPPORT | |
| def_bool y | |
| config HAVE_LATENCYTOP_SUPPORT | |
| def_bool y | |
| config RWSEM_GENERIC_SPINLOCK | |
| bool | |
| config RWSEM_XCHGADD_ALGORITHM | |
| def_bool y | |
| config ARCH_HAS_ILOG2_U32 | |
| def_bool n | |
| config ARCH_HAS_ILOG2_U64 | |
| def_bool n | |
| config GENERIC_HWEIGHT | |
| def_bool y | |
| config GENERIC_BUG | |
| def_bool y if BUG | |
| config GENERIC_BUG_RELATIVE_POINTERS | |
| def_bool y | |
| config ARCH_DMA_ADDR_T_64BIT | |
| def_bool 64BIT | |
| config GENERIC_LOCKBREAK | |
| def_bool y if SMP && PREEMPT | |
| config PGSTE | |
| def_bool y if KVM | |
| config ARCH_SUPPORTS_DEBUG_PAGEALLOC | |
| def_bool y | |
| config KEXEC | |
| def_bool y | |
| config AUDIT_ARCH | |
| def_bool y | |
| config NO_IOPORT | |
| def_bool y | |
| config PCI_QUIRKS | |
| def_bool n | |
| config S390 | |
| def_bool y | |
| select ARCH_DISCARD_MEMBLOCK | |
| select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE | |
| select ARCH_HAVE_NMI_SAFE_CMPXCHG | |
| 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_TRYLOCK | |
| 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_SPIN_LOCK | |
| select ARCH_INLINE_SPIN_LOCK_BH | |
| select ARCH_INLINE_SPIN_LOCK_IRQ | |
| select ARCH_INLINE_SPIN_LOCK_IRQSAVE | |
| select ARCH_INLINE_SPIN_TRYLOCK | |
| select ARCH_INLINE_SPIN_TRYLOCK_BH | |
| 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_WRITE_LOCK | |
| select ARCH_INLINE_WRITE_LOCK_BH | |
| select ARCH_INLINE_WRITE_LOCK_IRQ | |
| select ARCH_INLINE_WRITE_LOCK_IRQSAVE | |
| select ARCH_INLINE_WRITE_TRYLOCK | |
| select ARCH_INLINE_WRITE_UNLOCK | |
| select ARCH_INLINE_WRITE_UNLOCK_BH | |
| select ARCH_INLINE_WRITE_UNLOCK_IRQ | |
| select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE | |
| select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS | |
| select ARCH_SAVE_PAGE_KEYS if HIBERNATION | |
| select ARCH_WANT_IPC_PARSE_VERSION | |
| select BUILDTIME_EXTABLE_SORT | |
| select CLONE_BACKWARDS2 | |
| select GENERIC_CLOCKEVENTS | |
| select GENERIC_CPU_DEVICES if !SMP | |
| select GENERIC_SMP_IDLE_THREAD | |
| select GENERIC_TIME_VSYSCALL_OLD | |
| select HAVE_ALIGNED_STRUCT_PAGE if SLUB | |
| select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 | |
| select HAVE_ARCH_MUTEX_CPU_RELAX | |
| 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_CMPXCHG_DOUBLE | |
| select HAVE_CMPXCHG_LOCAL | |
| select HAVE_C_RECORDMCOUNT | |
| select HAVE_DEBUG_KMEMLEAK | |
| select HAVE_DYNAMIC_FTRACE | |
| select HAVE_FTRACE_MCOUNT_RECORD | |
| select HAVE_FUNCTION_GRAPH_TRACER | |
| select HAVE_FUNCTION_TRACER | |
| select HAVE_FUNCTION_TRACE_MCOUNT_TEST | |
| select HAVE_FUTEX_CMPXCHG if FUTEX | |
| select HAVE_KERNEL_BZIP2 | |
| select HAVE_KERNEL_GZIP | |
| select HAVE_KERNEL_LZMA | |
| select HAVE_KERNEL_LZO | |
| select HAVE_KERNEL_XZ | |
| select HAVE_KPROBES | |
| select HAVE_KRETPROBES | |
| select HAVE_KVM if 64BIT | |
| select HAVE_MEMBLOCK | |
| select HAVE_MEMBLOCK_NODE_MAP | |
| select HAVE_MOD_ARCH_SPECIFIC | |
| select HAVE_OPROFILE | |
| 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 VIRT_TO_BUS | |
| select INIT_ALL_POSSIBLE | |
| select KTIME_SCALAR if 32BIT | |
| select MODULES_USE_ELF_RELA | |
| select OLD_SIGSUSPEND3 | |
| select OLD_SIGACTION | |
| select SYSCTL_EXCEPTION_TRACE | |
| select USE_GENERIC_SMP_HELPERS if SMP | |
| select VIRT_CPU_ACCOUNTING | |
| config SCHED_OMIT_FRAME_POINTER | |
| def_bool y | |
| source "init/Kconfig" | |
| source "kernel/Kconfig.freezer" | |
| menu "Processor type and features" | |
| 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 | |
| config HAVE_MARCH_ZEC12_FEATURES | |
| def_bool n | |
| select HAVE_MARCH_Z196_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. | |
| 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 | |
| available on older ESA/390 (31 Bit) only CPUs. | |
| 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 | |
| on older machines. | |
| 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 | |
| on older machines. | |
| 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 | |
| on older machines. | |
| 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 | |
| not work on older machines. | |
| config MARCH_ZEC12 | |
| bool "IBM zBC12 and zEC12" | |
| select HAVE_MARCH_ZEC12_FEATURES if 64BIT | |
| 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 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 | |
| help | |
| Select this option if you want to enable your system kernel to | |
| handle system-calls from ELF binaries for 31 bit ESA. This option | |
| (and some other stuff like libraries and such) is needed for | |
| executing 31 bit applications. It is safe to say "Y". | |
| config SYSVIPC_COMPAT | |
| def_bool y if COMPAT && SYSVIPC | |
| config KEYS_COMPAT | |
| def_bool y if COMPAT && KEYS | |
| config SMP | |
| def_bool y | |
| prompt "Symmetric multi-processing support" | |
| ---help--- | |
| This enables support for systems with more than one CPU. If you have | |
| a system with only one CPU, like most personal computers, say N. If | |
| you have a system with more than one CPU, say Y. | |
| If you say N here, the kernel will run on single and multiprocessor | |
| machines, but will use only one CPU of a multiprocessor machine. If | |
| you say Y here, the kernel will run on many, but not all, | |
| singleprocessor machines. On a singleprocessor machine, the kernel | |
| will run faster if you say N here. | |
| See also the SMP-HOWTO available at | |
| <http://www.tldp.org/docs.html#howto>. | |
| Even if you don't know what to do here, say Y. | |
| config NR_CPUS | |
| int "Maximum number of CPUs (2-64)" | |
| range 2 64 | |
| depends on SMP | |
| default "32" if !64BIT | |
| default "64" if 64BIT | |
| help | |
| This allows you to specify the maximum number of CPUs which this | |
| kernel will support. The maximum supported value is 64 and the | |
| minimum value which makes sense is 2. | |
| This is purely to save memory - each supported CPU adds | |
| approximately sixteen kilobytes to the kernel image. | |
| config HOTPLUG_CPU | |
| def_bool y | |
| prompt "Support for hot-pluggable CPUs" | |
| depends on SMP | |
| select HOTPLUG | |
| help | |
| Say Y here to be able to turn CPUs off and on. CPUs | |
| can be controlled through /sys/devices/system/cpu/cpu#. | |
| Say N if you want to disable CPU hotplug. | |
| config SCHED_MC | |
| def_bool n | |
| config SCHED_BOOK | |
| def_bool y | |
| prompt "Book scheduler support" | |
| depends on SMP | |
| select SCHED_MC | |
| help | |
| Book scheduler support improves the CPU scheduler's decision making | |
| when dealing with machines that have several 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 | |
| menu "Memory setup" | |
| config ARCH_SPARSEMEM_ENABLE | |
| def_bool y | |
| select SPARSEMEM_VMEMMAP_ENABLE | |
| select SPARSEMEM_VMEMMAP | |
| select SPARSEMEM_STATIC if !64BIT | |
| config ARCH_SPARSEMEM_DEFAULT | |
| def_bool y | |
| config ARCH_SELECT_MEMORY_MODEL | |
| def_bool y | |
| config ARCH_ENABLE_MEMORY_HOTPLUG | |
| def_bool y if SPARSEMEM | |
| config ARCH_ENABLE_MEMORY_HOTREMOVE | |
| def_bool y | |
| config FORCE_MAX_ZONEORDER | |
| int | |
| default "9" | |
| source "mm/Kconfig" | |
| config PACK_STACK | |
| def_bool y | |
| prompt "Pack kernel stack" | |
| help | |
| This option enables the compiler option -mkernel-backchain if it | |
| is available. If the option is available the compiler supports | |
| the new stack layout which dramatically reduces the minimum stack | |
| frame size. With an old compiler a non-leaf function needs a | |
| minimum of 96 bytes on 31 bit and 160 bytes on 64 bit. With | |
| -mkernel-backchain the minimum size drops to 16 byte on 31 bit | |
| and 24 byte on 64 bit. | |
| Say Y if you are unsure. | |
| config CHECK_STACK | |
| def_bool y | |
| prompt "Detect kernel stack overflow" | |
| help | |
| This option enables the compiler option -mstack-guard and | |
| -mstack-size if they are available. If the compiler supports them | |
| it will emit additional code to each function prolog to trigger | |
| an illegal operation if the kernel stack is about to overflow. | |
| Say N if you are unsure. | |
| config STACK_GUARD | |
| int "Size of the guard area (128-1024)" | |
| range 128 1024 | |
| depends on CHECK_STACK | |
| default "256" | |
| help | |
| This allows you to specify the size of the guard area at the lower | |
| end of the kernel stack. If the kernel stack points into the guard | |
| area on function entry an illegal operation is triggered. The size | |
| needs to be a power of 2. Please keep in mind that the size of an | |
| interrupt frame is 184 bytes for 31 bit and 328 bytes on 64 bit. | |
| The minimum size for the stack guard should be 256 for 31 bit and | |
| 512 for 64 bit. | |
| config WARN_DYNAMIC_STACK | |
| def_bool n | |
| prompt "Emit compiler warnings for function with dynamic stack usage" | |
| help | |
| This option enables the compiler option -mwarn-dynamicstack. If the | |
| compiler supports this options generates warnings for functions | |
| that dynamically allocate stack space using alloca. | |
| Say N if you are unsure. | |
| endmenu | |
| menu "I/O subsystem" | |
| config QDIO | |
| def_tristate y | |
| prompt "QDIO support" | |
| ---help--- | |
| This driver provides the Queued Direct I/O base support for | |
| IBM System z. | |
| To compile this driver as a module, choose M here: the | |
| module will be called qdio. | |
| If unsure, say Y. | |
| menuconfig PCI | |
| bool "PCI support" | |
| default n | |
| depends on 64BIT | |
| select ARCH_SUPPORTS_MSI | |
| select PCI_MSI | |
| help | |
| Enable PCI support. | |
| if PCI | |
| config PCI_NR_FUNCTIONS | |
| int "Maximum number of PCI functions (1-4096)" | |
| range 1 4096 | |
| default "64" | |
| help | |
| This allows you to specify the maximum number of PCI functions which | |
| this kernel will support. | |
| source "drivers/pci/Kconfig" | |
| source "drivers/pci/pcie/Kconfig" | |
| source "drivers/pci/hotplug/Kconfig" | |
| endif # PCI | |
| config PCI_DOMAINS | |
| def_bool PCI | |
| config HAS_IOMEM | |
| def_bool PCI | |
| config IOMMU_HELPER | |
| def_bool PCI | |
| config HAS_DMA | |
| def_bool PCI | |
| select HAVE_DMA_API_DEBUG | |
| config NEED_SG_DMA_LENGTH | |
| def_bool PCI | |
| config HAVE_DMA_ATTRS | |
| def_bool PCI | |
| config NEED_DMA_MAP_STATE | |
| def_bool PCI | |
| config CHSC_SCH | |
| def_tristate m | |
| prompt "Support for CHSC subchannels" | |
| help | |
| This driver allows usage of CHSC subchannels. A CHSC subchannel | |
| is usually present on LPAR only. | |
| The driver creates a device /dev/chsc, which may be used to | |
| obtain I/O configuration information about the machine and | |
| to issue asynchronous chsc commands (DANGEROUS). | |
| You will usually only want to use this interface on a special | |
| LPAR designated for system management. | |
| To compile this driver as a module, choose M here: the | |
| module will be called chsc_sch. | |
| If unsure, say N. | |
| config SCM_BUS | |
| def_bool y | |
| depends on 64BIT | |
| prompt "SCM bus driver" | |
| help | |
| Bus driver for Storage Class Memory. | |
| config EADM_SCH | |
| def_tristate m | |
| prompt "Support for EADM subchannels" | |
| depends on SCM_BUS | |
| help | |
| This driver allows usage of EADM subchannels. EADM subchannels act | |
| as a communication vehicle for SCM increments. | |
| To compile this driver as a module, choose M here: the | |
| module will be called eadm_sch. | |
| endmenu | |
| menu "Dump support" | |
| config CRASH_DUMP | |
| bool "kernel crash dumps" | |
| depends on 64BIT && SMP | |
| select KEXEC | |
| help | |
| Generate crash dump after being started by kexec. | |
| Crash dump kernels are loaded in the main kernel with kexec-tools | |
| into a specially reserved region and then later executed after | |
| a crash by kdump/kexec. | |
| For more details see Documentation/kdump/kdump.txt | |
| config ZFCPDUMP | |
| def_bool n | |
| prompt "zfcpdump support" | |
| select SMP | |
| help | |
| Select this option if you want to build an zfcpdump enabled kernel. | |
| Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. | |
| endmenu | |
| menu "Executable file formats / Emulations" | |
| source "fs/Kconfig.binfmt" | |
| config SECCOMP | |
| def_bool y | |
| prompt "Enable seccomp to safely compute untrusted bytecode" | |
| depends on PROC_FS | |
| 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" | |
| config ARCH_HIBERNATION_POSSIBLE | |
| def_bool y if 64BIT | |
| source "kernel/power/Kconfig" | |
| endmenu | |
| source "net/Kconfig" | |
| config PCMCIA | |
| def_bool n | |
| config CCW | |
| def_bool y | |
| source "drivers/Kconfig" | |
| source "fs/Kconfig" | |
| source "arch/s390/Kconfig.debug" | |
| source "security/Kconfig" | |
| source "crypto/Kconfig" | |
| source "lib/Kconfig" | |
| menu "Virtualization" | |
| config PFAULT | |
| def_bool y | |
| prompt "Pseudo page fault support" | |
| help | |
| Select this option, if you want to use PFAULT pseudo page fault | |
| handling under VM. If running native or in LPAR, this option | |
| has no effect. If your VM does not support PFAULT, PAGEEX | |
| pseudo page fault handling will be used. | |
| Note that VM 4.2 supports PFAULT but has a bug in its | |
| implementation that causes some problems. | |
| Everybody who wants to run Linux under VM != VM4.2 should select | |
| this option. | |
| config SHARED_KERNEL | |
| bool "VM shared kernel support" | |
| depends on !JUMP_LABEL | |
| help | |
| Select this option, if you want to share the text segment of the | |
| Linux kernel between different VM guests. This reduces memory | |
| usage with lots of guests but greatly increases kernel size. | |
| Also if a kernel was IPL'ed from a shared segment the kexec system | |
| call will not work. | |
| You should only select this option if you know what you are | |
| doing and want to exploit this feature. | |
| config CMM | |
| def_tristate n | |
| prompt "Cooperative memory management" | |
| help | |
| Select this option, if you want to enable the kernel interface | |
| to reduce the memory size of the system. This is accomplished | |
| by allocating pages of memory and put them "on hold". This only | |
| makes sense for a system running under VM where the unused pages | |
| will be reused by VM for other guest systems. The interface | |
| allows an external monitor to balance memory of many systems. | |
| Everybody who wants to run Linux under VM should select this | |
| option. | |
| config CMM_IUCV | |
| def_bool y | |
| prompt "IUCV special message interface to cooperative memory management" | |
| depends on CMM && (SMSGIUCV=y || CMM=SMSGIUCV) | |
| help | |
| Select this option to enable the special message interface to | |
| the cooperative memory management. | |
| config APPLDATA_BASE | |
| def_bool n | |
| prompt "Linux - VM Monitor Stream, base infrastructure" | |
| 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 | |
| intervals, once the timer is started. | |
| Writing 1 or 0 to /proc/appldata/timer starts(1) or stops(0) the timer, | |
| i.e. enables or disables monitoring on the Linux side. | |
| A custom interval value (in seconds) can be written to | |
| /proc/appldata/interval. | |
| Defaults are 60 seconds interval and timer off. | |
| The /proc entries can also be read from, showing the current settings. | |
| config APPLDATA_MEM | |
| def_tristate m | |
| prompt "Monitor memory management statistics" | |
| 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. | |
| Writing 1 or 0 to /proc/appldata/memory creates(1) or removes(0) a z/VM | |
| APPLDATA monitor record, i.e. enables or disables monitoring this record | |
| on the z/VM side. | |
| Default is disabled. | |
| The /proc entry can also be read from, showing the current settings. | |
| This can also be compiled as a module, which will be called | |
| appldata_mem.o. | |
| config APPLDATA_OS | |
| def_tristate m | |
| prompt "Monitor OS statistics" | |
| depends on APPLDATA_BASE | |
| help | |
| This provides OS related data to the Linux - VM Monitor Stream, like | |
| CPU utilisation, etc. | |
| Writing 1 or 0 to /proc/appldata/os creates(1) or removes(0) a z/VM | |
| APPLDATA monitor record, i.e. enables or disables monitoring this record | |
| on the z/VM side. | |
| Default is disabled. | |
| This can also be compiled as a module, which will be called | |
| appldata_os.o. | |
| config APPLDATA_NET_SUM | |
| def_tristate m | |
| prompt "Monitor overall network statistics" | |
| 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 | |
| per-interface data. | |
| Writing 1 or 0 to /proc/appldata/net_sum creates(1) or removes(0) a z/VM | |
| APPLDATA monitor record, i.e. enables or disables monitoring this record | |
| on the z/VM side. | |
| Default is disabled. | |
| This can also be compiled as a module, which will be called | |
| appldata_net_sum.o. | |
| config S390_HYPFS_FS | |
| def_bool y | |
| prompt "s390 hypervisor file system support" | |
| select SYS_HYPERVISOR | |
| help | |
| This is a virtual file system intended to provide accounting | |
| information in an s390 hypervisor environment. | |
| source "arch/s390/kvm/Kconfig" | |
| config S390_GUEST | |
| def_bool y | |
| prompt "s390 support for virtio devices" | |
| depends on 64BIT | |
| select VIRTUALIZATION | |
| select VIRTIO | |
| select VIRTIO_CONSOLE | |
| help | |
| Enabling this option adds support for virtio based paravirtual device | |
| drivers on s390. | |
| Select this option if you want to run the kernel as a guest under | |
| the KVM hypervisor. | |
| endmenu |