diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1831833c430..8f5f02160ff 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -3,6 +3,10 @@ # see Documentation/kbuild/kconfig-language.txt. # +config SCHED_MC + def_bool y + depends on SMP + config MMU def_bool y @@ -39,6 +43,9 @@ config GENERIC_HWEIGHT config GENERIC_TIME def_bool y +config GENERIC_CLOCKEVENTS + def_bool y + config GENERIC_BUG bool depends on BUG @@ -55,6 +62,10 @@ config GENERIC_LOCKBREAK default y depends on SMP && PREEMPT +config PGSTE + bool + default y if KVM + mainmenu "Linux Kernel Configuration" config S390 @@ -62,6 +73,7 @@ config S390 select HAVE_OPROFILE select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_KVM if 64BIT source "init/Kconfig" @@ -69,6 +81,8 @@ menu "Base setup" comment "Processor type and features" +source "kernel/time/Kconfig" + config 64BIT bool "64 bit kernel" help @@ -301,10 +315,7 @@ config QDIO tristate "QDIO support" ---help--- This driver provides the Queued Direct I/O base support for - IBM mainframes. - - For details please refer to the documentation provided by IBM at - <http://www10.software.ibm.com/developerworks/opensource/linux390> + IBM System z. To compile this driver as a module, choose M here: the module will be called qdio. @@ -486,25 +497,6 @@ config APPLDATA_NET_SUM source kernel/Kconfig.hz -config NO_IDLE_HZ - bool "No HZ timer ticks in idle" - help - Switches the regular HZ timer off when the system is going idle. - This helps z/VM to detect that the Linux system is idle. VM can - then "swap-out" this guest which reduces memory usage. It also - reduces the overhead of idle systems. - - The HZ timer can be switched on/off via /proc/sys/kernel/hz_timer. - hz_timer=0 means HZ timer is disabled. hz_timer=1 means HZ - timer is active. - -config NO_IDLE_HZ_INIT - bool "HZ timer in idle off by default" - depends on NO_IDLE_HZ - help - 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 @@ -528,6 +520,13 @@ config ZFCPDUMP Select this option if you want to build an zfcpdump enabled kernel. Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this. +config S390_GUEST +bool "s390 guest support (EXPERIMENTAL)" + depends on 64BIT && EXPERIMENTAL + select VIRTIO + select VIRTIO_RING + help + Select this option if you want to run the kernel under s390 linux endmenu source "net/Kconfig" @@ -549,3 +548,5 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +source "arch/s390/kvm/Kconfig" |