diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2f4f70c4dbb..f900a516f09 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -51,6 +51,10 @@ config 64BIT Select this option if you have a 64 bit IBM zSeries machine and want to use the 64 bit addressing mode. +config 32BIT + bool + default y if !64BIT + config SMP bool "Symmetric multi-processing support" ---help--- @@ -149,6 +153,14 @@ config MARCH_Z990 This will be slightly faster but does not work on older machines such as the z900. +config MARCH_Z9_109 + bool "IBM System z9" + help + Select this to enable optimizations for IBM System z9-109, IBM + System z9 Enterprise Class (z9 EC), and IBM System z9 Business + Class (z9 BC). The kernel will be slightly faster but will not + work on older machines such as the z990, z890, z900, and z800. + endchoice config PACK_STACK @@ -460,8 +472,7 @@ config S390_HYPFS_FS information in an s390 hypervisor environment. config KEXEC - bool "kexec system call (EXPERIMENTAL)" - depends on EXPERIMENTAL + bool "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 @@ -487,8 +498,22 @@ source "drivers/net/Kconfig" source "fs/Kconfig" +menu "Instrumentation Support" + source "arch/s390/oprofile/Kconfig" +config KPROBES + bool "Kprobes (EXPERIMENTAL)" + depends on EXPERIMENTAL && MODULES + help + Kprobes allows you to trap at almost any kernel address and + execute a callback function. register_kprobe() establishes + a probepoint and specifies the callback. Kprobes is useful + for kernel debugging, non-intrusive instrumentation and testing. + If in doubt, say "N". + +endmenu + source "arch/s390/Kconfig.debug" source "security/Kconfig" |