config PGSTE
def_bool y if KVM
-config VIRT_CPU_ACCOUNTING
+config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y
-config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+config KEXEC
+ def_bool y
+
+config AUDIT_ARCH
def_bool y
config S390
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_C_RECORDMCOUNT
select HAVE_SYSCALL_TRACEPOINTS
+ select SYSCTL_EXCEPTION_TRACE
select HAVE_DYNAMIC_FTRACE
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_IRQ_WORK
select HAVE_PERF_EVENTS
select ARCH_HAVE_NMI_SAFE_CMPXCHG
+ select HAVE_DEBUG_KMEMLEAK
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_BZIP2
select HAVE_KERNEL_LZMA
select HAVE_KERNEL_XZ
select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
+ select HAVE_BPF_JIT if 64BIT && PACK_STACK
select ARCH_SAVE_PAGE_KEYS if HIBERNATION
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_CMPXCHG_LOCAL
+ select HAVE_CMPXCHG_DOUBLE
+ select HAVE_VIRT_CPU_ACCOUNTING
+ select VIRT_CPU_ACCOUNTING
select ARCH_DISCARD_MEMBLOCK
select BUILDTIME_EXTABLE_SORT
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_WRITE_UNLOCK_BH
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+ select HAVE_UID16 if 32BIT
select ARCH_WANT_IPC_PARSE_VERSION
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL
source "kernel/Kconfig.freezer"
-menu "Base setup"
+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
+
+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.
-comment "Processor type and features"
+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.
+
+endchoice
config 64BIT
def_bool y
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
+ 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"
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"
on older ESA/390 machines. Say Y unless you know your machine doesn't
need this.
-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
- 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".
+source kernel/Kconfig.hz
-config SYSVIPC_COMPAT
- def_bool y if COMPAT && SYSVIPC
+endmenu
-config KEYS_COMPAT
- def_bool y if COMPAT && KEYS
+menu "Memory setup"
-config AUDIT_ARCH
+config ARCH_SPARSEMEM_ENABLE
def_bool y
+ select SPARSEMEM_VMEMMAP_ENABLE
+ select SPARSEMEM_VMEMMAP
+ select SPARSEMEM_STATIC if !64BIT
-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
-
-comment "Code generation options"
-
-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 ARCH_SPARSEMEM_DEFAULT
+ def_bool y
-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 ARCH_SELECT_MEMORY_MODEL
+ def_bool y
-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 ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y if SPARSEMEM
-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 ARCH_ENABLE_MEMORY_HOTREMOVE
+ def_bool y
-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 FORCE_MAX_ZONEORDER
+ int
+ default "9"
-endchoice
+source "mm/Kconfig"
config PACK_STACK
def_bool y
Say N if you are unsure.
-comment "Kernel preemption"
-
-source "kernel/Kconfig.preempt"
-
-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 ARCH_HIBERNATION_POSSIBLE
- def_bool y if 64BIT
-
-source "mm/Kconfig"
+endmenu
-comment "I/O subsystem configuration"
+menu "I/O subsystem"
config QDIO
def_tristate y
If unsure, say N.
-comment "Misc"
+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 FORCE_MAX_ZONEORDER
- int
- default "9"
+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
this option.
config SHARED_KERNEL
- def_bool y
- prompt "VM shared kernel support"
+ 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
This can also be compiled as a module, which will be called
appldata_net_sum.o.
-source kernel/Kconfig.hz
-
config S390_HYPFS_FS
def_bool y
prompt "s390 hypervisor file system support"
This is a virtual file system intended to provide accounting
information in an s390 hypervisor environment.
-config KEXEC
- def_bool n
- prompt "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
- but is independent of hardware/microcode 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.
+source "arch/s390/kvm/Kconfig"
config S390_GUEST
def_bool y
- prompt "s390 guest support for KVM (EXPERIMENTAL)"
+ prompt "s390 support for virtio devices (EXPERIMENTAL)"
depends on 64BIT && EXPERIMENTAL
select VIRTUALIZATION
select VIRTIO
- select VIRTIO_RING
select VIRTIO_CONSOLE
help
- Select this option if you want to run the kernel as a guest under
- 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
- 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
+ Enabling this option adds support for virtio based paravirtual device
+ drivers on s390.
-menu "Power Management"
-
-source "kernel/power/Kconfig"
+ Select this option if you want to run the kernel as a guest under
+ the KVM hypervisor.
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"
-
-source "arch/s390/kvm/Kconfig"
projects / firefly-linux-kernel-4.4.55.git / blobdiff