diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 8116a3328a1..6b0a3538dc6 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -43,6 +43,9 @@ config GENERIC_HWEIGHT config GENERIC_TIME def_bool y +config GENERIC_TIME_VSYSCALL + def_bool y + config GENERIC_CLOCKEVENTS def_bool y @@ -66,15 +69,22 @@ config PGSTE bool default y if KVM +config VIRT_CPU_ACCOUNTING + def_bool y + mainmenu "Linux Kernel Configuration" config S390 def_bool y + select USE_GENERIC_SMP_HELPERS if SMP + select HAVE_SYSCALL_WRAPPERS + select HAVE_FUNCTION_TRACER select HAVE_OPROFILE select HAVE_KPROBES select HAVE_KRETPROBES select HAVE_KVM if 64BIT select HAVE_ARCH_TRACEHOOK + select INIT_ALL_POSSIBLE source "init/Kconfig" @@ -225,6 +235,14 @@ config MARCH_Z9_109 Class (z9 BC). The kernel will be slightly faster but will not work on older machines such as the z990, z890, z900, and z800. +config MARCH_Z10 + bool "IBM System z10" + help + Select this to enable optimizations for IBM System z10. The + kernel will be slightly faster but will not work on older + machines such as the z990, z890, z900, z800, z9-109, z9-ec + and z9-bc. + endchoice config PACK_STACK @@ -282,7 +300,7 @@ config WARN_STACK This option enables the compiler options -mwarn-framesize and -mwarn-dynamicstack. If the compiler supports these options it will generate warnings for function which either use alloca or - create a stack frame bigger then CONFIG_WARN_STACK_SIZE. + create a stack frame bigger than CONFIG_WARN_STACK_SIZE. Say N if you are unsure. @@ -343,16 +361,6 @@ config QDIO If unsure, say Y. -config QDIO_DEBUG - bool "Extended debugging information" - depends on QDIO - help - Say Y here to get extended debugging output in - /sys/kernel/debug/s390dbf/qdio... - Warning: this option reduces the performance of the QDIO module. - - If unsure, say N. - config CHSC_SCH tristate "Support for CHSC subchannels" help @@ -466,22 +474,9 @@ config PAGE_STATES hypervisor. The ESSA instruction is used to do the states changes between a page that has content and the unused state. -config VIRT_TIMER - bool "Virtual CPU timer support" - help - This provides a kernel interface for virtual CPU timers. - Default is disabled. - -config VIRT_CPU_ACCOUNTING - bool "Base user process accounting on virtual cpu timer" - depends on VIRT_TIMER - help - Select this option to use CPU timer deltas to do user - process accounting. - config APPLDATA_BASE bool "Linux - VM Monitor Stream, base infrastructure" - depends on PROC_FS && VIRT_TIMER=y + 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 |