diff options
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 147d3b5515a..fabb40bc4e1 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -55,6 +55,9 @@ config NO_IOMEM config NO_DMA def_bool y +config ARCH_DMA_ADDR_T_64BIT + def_bool 64BIT + config GENERIC_LOCKBREAK bool default y @@ -88,11 +91,13 @@ config S390 select HAVE_KVM if 64BIT select HAVE_ARCH_TRACEHOOK select INIT_ALL_POSSIBLE + select HAVE_IRQ_WORK select HAVE_PERF_EVENTS select HAVE_KERNEL_GZIP select HAVE_KERNEL_BZIP2 select HAVE_KERNEL_LZMA select HAVE_KERNEL_LZO + select HAVE_GET_USER_PAGES_FAST select ARCH_INLINE_SPIN_TRYLOCK select ARCH_INLINE_SPIN_TRYLOCK_BH select ARCH_INLINE_SPIN_LOCK @@ -191,6 +196,13 @@ config HOTPLUG_CPU can be controlled through /sys/devices/system/cpu/cpu#. Say N if you want to disable CPU hotplug. +config SCHED_BOOK + bool "Book scheduler support" + depends on SMP + help + Book scheduler support improves the CPU scheduler's decision making + when dealing with machines that have several books. + config MATHEMU bool "IEEE FPU emulation" depends on MARCH_G5 @@ -271,6 +283,14 @@ config MARCH_Z10 machines such as the z990, z890, z900, z800, z9-109, z9-ec and z9-bc. +config MARCH_Z196 + bool "IBM zEnterprise 196" + help + Select this to enable optimizations for IBM zEnterprise 196. + The kernel will be slightly faster but will not work on older + machines such as the z990, z890, z900, z800, z9-109, z9-ec, + z9-bc, z10-ec and z10-bc. + endchoice config PACK_STACK |