diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 107e492cb47e..4c03049e7db9 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -74,6 +74,7 @@ config S390 select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_KVM if 64BIT + select HAVE_ARCH_TRACEHOOK source "init/Kconfig" @@ -146,6 +147,7 @@ config MATHEMU config COMPAT bool "Kernel support for 31 bit emulation" depends on 64BIT + select COMPAT_BINFMT_ELF 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 @@ -288,7 +290,7 @@ config WARN_STACK_SIZE int "Maximum frame size considered safe (128-2048)" range 128 2048 depends on WARN_STACK - default "256" + default "2048" help This allows you to specify the maximum frame size a function may have without the compiler complaining about it. @@ -312,6 +314,13 @@ config ARCH_SPARSEMEM_DEFAULT config ARCH_SELECT_MEMORY_MODEL def_bool y +config ARCH_ENABLE_MEMORY_HOTPLUG + def_bool y + depends on SPARSEMEM + +config ARCH_ENABLE_MEMORY_HOTREMOVE + def_bool y + source "mm/Kconfig" comment "I/O subsystem configuration" @@ -344,6 +353,22 @@ config QDIO_DEBUG If unsure, say N. +config CHSC_SCH + tristate "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. + comment "Misc" config IPL @@ -544,6 +569,7 @@ bool "s390 guest support (EXPERIMENTAL)" depends on 64BIT && EXPERIMENTAL select VIRTIO select VIRTIO_RING + select VIRTIO_CONSOLE help Select this option if you want to run the kernel under s390 linux endmenu |