Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm

[linux-2.6] / arch / s390 / Kconfig

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 1a84719be2641f47bedc832ff7a460acbf29cf9b..b21444b681b667b526ddbebcca337e24d6b48581 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -4,27 +4,26 @@
 #
 
 config MMU
-       bool
-       default y
+       def_bool y
 
 config ZONE_DMA
        def_bool y
        depends on 64BIT
 
 config LOCKDEP_SUPPORT
-       bool
-       default y
+       def_bool y
 
 config STACKTRACE_SUPPORT
-       bool
-       default y
+       def_bool y
+
+config HAVE_LATENCYTOP_SUPPORT
+       def_bool y
 
 config RWSEM_GENERIC_SPINLOCK
        bool
 
 config RWSEM_XCHGADD_ALGORITHM
-       bool
-       default y
+       def_bool y
 
 config ARCH_HAS_ILOG2_U32
        bool
@@ -35,8 +34,7 @@ config ARCH_HAS_ILOG2_U64
        default n
 
 config GENERIC_HWEIGHT
-       bool
-       default y
+       def_bool y
 
 config GENERIC_TIME
        def_bool y
@@ -52,11 +50,17 @@ config NO_IOMEM
 config NO_DMA
        def_bool y
 
+config GENERIC_LOCKBREAK
+       bool
+       default y
+       depends on SMP && PREEMPT
+
 mainmenu "Linux Kernel Configuration"
 
 config S390
-       bool
-       default y
+       def_bool y
+       select HAVE_OPROFILE
+       select HAVE_KPROBES
 
 source "init/Kconfig"
 
@@ -87,8 +91,8 @@ config SMP
          singleprocessor machines. On a singleprocessor machine, the kernel
          will run faster if you say N here.
 
-         See also the <file:Documentation/smp.txt> and the SMP-HOWTO
-         available at <http://www.tldp.org/docs.html#howto>.
+         See also the SMP-HOWTO available at
+         <http://www.tldp.org/docs.html#howto>.
 
          Even if you don't know what to do here, say Y.
 
@@ -96,7 +100,8 @@ config NR_CPUS
        int "Maximum number of CPUs (2-64)"
        range 2 64
        depends on SMP
-       default "32"
+       default "32" if !64BIT
+       default "64" if 64BIT
        help
          This allows you to specify the maximum number of CPUs which this
          kernel will support.  The maximum supported value is 64 and the
@@ -115,10 +120,6 @@ config HOTPLUG_CPU
          can be controlled through /sys/devices/system/cpu/cpu#.
          Say N if you want to disable CPU hotplug.
 
-config DEFAULT_MIGRATION_COST
-       int
-       default "1000000"
-
 config MATHEMU
        bool "IEEE FPU emulation"
        depends on MARCH_G5
@@ -280,10 +281,11 @@ config WARN_STACK_SIZE
 config ARCH_POPULATES_NODE_MAP
        def_bool y
 
-source "mm/Kconfig"
+comment "Kernel preemption"
 
-config HOLES_IN_ZONE
-       def_bool y
+source "kernel/Kconfig.preempt"
+
+source "mm/Kconfig"
 
 comment "I/O subsystem configuration"
 
@@ -320,17 +322,6 @@ config QDIO_DEBUG
 
 comment "Misc"
 
-config PREEMPT
-       bool "Preemptible Kernel"
-       help
-         This option reduces the latency of the kernel when reacting to
-         real-time or interactive events by allowing a low priority process to
-         be preempted even if it is in kernel mode executing a system call.
-         This allows applications to run more reliably even when the system is
-         under load.
-
-         Say N if you are unsure.
-
 config IPL
        bool "Builtin IPL record support"
        help
@@ -488,6 +479,8 @@ config APPLDATA_NET_SUM
          This can also be compiled as a module, which will be called
          appldata_net_sum.o.
 
+source kernel/Kconfig.hz
+
 config NO_IDLE_HZ
        bool "No HZ timer ticks in idle"
        help
@@ -528,44 +521,22 @@ config ZFCPDUMP
        default n
        help
          Select this option if you want to build an zfcpdump enabled kernel.
-         Refer to "Documentation/s390/zfcpdump.txt" for more details on this.
+         Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this.
 
 endmenu
 
 source "net/Kconfig"
 
 config PCMCIA
-       bool
-       default n
-
-source "drivers/base/Kconfig"
-
-source "drivers/connector/Kconfig"
+       def_bool n
 
-source "drivers/scsi/Kconfig"
-
-source "drivers/s390/Kconfig"
+config CCW
+       def_bool y
 
-source "drivers/net/Kconfig"
+source "drivers/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"