spinlock: lockbreak cleanup

[deliverable/linux.git] / arch / powerpc / Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 00099efe0e9f8e79c21d6eec9aae86858e6fb080..c17a194beb0e6c94560d97c469ccfbd3327686d9 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -14,6 +14,11 @@ config 64BIT
        bool
        default y if PPC64
 
+config WORD_SIZE
+       int
+       default 64 if PPC64
+       default 32 if !PPC64
+
 config PPC_MERGE
        def_bool y
 
@@ -21,6 +26,18 @@ config MMU
        bool
        default y
 
+config GENERIC_CMOS_UPDATE
+       def_bool y
+
+config GENERIC_TIME
+       def_bool y
+
+config GENERIC_TIME_VSYSCALL
+       def_bool y
+
+config GENERIC_CLOCKEVENTS
+       def_bool y
+
 config GENERIC_HARDIRQS
        bool
        default y
@@ -36,6 +53,11 @@ config RWSEM_XCHGADD_ALGORITHM
        bool
        default y
 
+config GENERIC_LOCKBREAK
+       bool
+       default y
+       depends on SMP && PREEMPT
+
 config ARCH_HAS_ILOG2_U32
        bool
        default y
@@ -156,6 +178,7 @@ config HIGHMEM
        bool "High memory support"
        depends on PPC32
 
+source kernel/time/Kconfig
 source kernel/Kconfig.hz
 source kernel/Kconfig.preempt
 source "fs/Kconfig.binfmt"
@@ -169,6 +192,11 @@ config FORCE_MAX_ZONEORDER
        default "9" if PPC_64K_PAGES
        default "13"
 
+config HUGETLB_PAGE_SIZE_VARIABLE
+       bool
+       depends on HUGETLB_PAGE
+       default y
+
 config MATH_EMULATION
        bool "Math emulation"
        depends on 4xx || 8xx || E200 || PPC_MPC832x || E500
@@ -180,17 +208,29 @@ config MATH_EMULATION
          unit, which will allow programs that use floating-point
          instructions to run.
 
+config 8XX_MINIMAL_FPEMU
+       bool "Minimal math emulation for 8xx"
+       depends on 8xx && !MATH_EMULATION
+       help
+         Older arch/ppc kernels still emulated a few floating point
+         instructions such as load and store, even when full math
+         emulation is disabled.  Say "Y" here if you want to preserve
+         this behavior.
+
+         It is recommended that you build a soft-float userspace instead.
+
 config IOMMU_VMERGE
-       bool "Enable IOMMU virtual merging (EXPERIMENTAL)"
-       depends on EXPERIMENTAL && PPC64
-       default n
+       bool "Enable IOMMU virtual merging"
+       depends on PPC64
+       default y
        help
          Cause IO segments sent to a device for DMA to be merged virtually
          by the IOMMU when they happen to have been allocated contiguously.
          This doesn't add pressure to the IOMMU allocator. However, some
          drivers don't support getting large merged segments coming back
-         from *_map_sg(). Say Y if you know the drivers you are using are
-         properly handling this case.
+         from *_map_sg().
+
+         Most drivers don't have this problem; it is safe to say Y here.
 
 config HOTPLUG_CPU
        bool "Support for enabling/disabling CPUs"
@@ -265,6 +305,7 @@ config ARCH_FLATMEM_ENABLE
 config ARCH_SPARSEMEM_ENABLE
        def_bool y
        depends on PPC64
+       select SPARSEMEM_VMEMMAP_ENABLE
 
 config ARCH_SPARSEMEM_DEFAULT
        def_bool y
@@ -465,7 +506,7 @@ config PCI_8260
 
 config 8260_PCI9
        bool "Enable workaround for MPC826x erratum PCI 9"
-       depends on PCI_8260 && !ADS8272
+       depends on PCI_8260 && !8272
        default y
 
 choice
@@ -569,7 +610,8 @@ config TASK_SIZE_BOOL
 
 config TASK_SIZE
        hex "Size of user task space" if TASK_SIZE_BOOL
-       default "0x80000000"
+       default "0x80000000" if PPC_PREP || PPC_8xx
+       default "0xc0000000"
 
 config CONSISTENT_START_BOOL
        bool "Set custom consistent memory pool address"
@@ -581,6 +623,7 @@ config CONSISTENT_START_BOOL
 
 config CONSISTENT_START
        hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
+       default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx)
        default "0xff100000" if NOT_COHERENT_CACHE
 
 config CONSISTENT_SIZE_BOOL
@@ -636,21 +679,7 @@ source "arch/powerpc/sysdev/qe_lib/Kconfig"
 
 source "lib/Kconfig"
 
-menu "Instrumentation Support"
-       depends on EXPERIMENTAL
-
-source "arch/powerpc/oprofile/Kconfig"
-
-config KPROBES
-       bool "Kprobes"
-       depends on !BOOKE && !4xx && KALLSYMS && 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 "kernel/Kconfig.instrumentation"
 
 source "arch/powerpc/Kconfig.debug"
 
@@ -662,3 +691,11 @@ config KEYS_COMPAT
        default y
 
 source "crypto/Kconfig"
+
+config PPC_CLOCK
+       bool
+       default n
+
+config PPC_LIB_RHEAP
+       bool
+