Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6

[linux-2.6] / arch / i386 / Kconfig

diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b1b2b30b1b8e82910df72f8ba49227b46e1c1878..97b64d7d6bf692baacc019df57845c964c771d39 100644 (file)
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -18,6 +18,10 @@ config GENERIC_TIME
        bool
        default y
 
+config GENERIC_CMOS_UPDATE
+       bool
+       default y
+
 config CLOCKSOURCE_WATCHDOG
        bool
        default y
@@ -222,6 +226,8 @@ config PARAVIRT
          However, when run without a hypervisor the kernel is
          theoretically slower.  If in doubt, say N.
 
+source "arch/i386/xen/Kconfig"
+
 config VMI
        bool "VMI Paravirt-ops support"
        depends on PARAVIRT
@@ -452,8 +458,7 @@ config MICROCODE
        tristate "/dev/cpu/microcode - Intel IA32 CPU microcode support"
        select FW_LOADER
        ---help---
-         If you say Y here and also to "/dev file system support" in the
-         'File systems' section, you will be able to update the microcode on
+         If you say Y here, you will be able to update the microcode on
          Intel processors in the IA32 family, e.g. Pentium Pro, Pentium II,
          Pentium III, Pentium 4, Xeon etc.  You will obviously need the
          actual microcode binary data itself which is not shipped with the
@@ -542,6 +547,7 @@ config HIGHMEM4G
 config HIGHMEM64G
        bool "64GB"
        depends on !M386 && !M486
+       select X86_PAE
        help
          Select this if you have a 32-bit processor and more than 4
          gigabytes of physical RAM.
@@ -571,12 +577,12 @@ choice
        config VMSPLIT_3G
                bool "3G/1G user/kernel split"
        config VMSPLIT_3G_OPT
-               depends on !HIGHMEM
+               depends on !X86_PAE
                bool "3G/1G user/kernel split (for full 1G low memory)"
        config VMSPLIT_2G
                bool "2G/2G user/kernel split"
        config VMSPLIT_2G_OPT
-               depends on !HIGHMEM
+               depends on !X86_PAE
                bool "2G/2G user/kernel split (for full 2G low memory)"
        config VMSPLIT_1G
                bool "1G/3G user/kernel split"
@@ -596,17 +602,26 @@ config HIGHMEM
        default y
 
 config X86_PAE
-       bool
-       depends on HIGHMEM64G
-       default y
+       bool "PAE (Physical Address Extension) Support"
+       default n
+       depends on !HIGHMEM4G
        select RESOURCES_64BIT
+       help
+         PAE is required for NX support, and furthermore enables
+         larger swapspace support for non-overcommit purposes. It
+         has the cost of more pagetable lookup overhead, and also
+         consumes more pagetable space per process.
 
 # Common NUMA Features
 config NUMA
-       bool "Numa Memory Allocation and Scheduler Support"
-       depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
+       bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
+       depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL
        default n if X86_PC
        default y if (X86_NUMAQ || X86_SUMMIT)
+       help
+         NUMA support for i386. This is currently high experimental
+         and should be only used for kernel development. It might also
+         cause boot failures.
 
 comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
        depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
@@ -815,6 +830,7 @@ config CRASH_DUMP
 
 config PHYSICAL_START
        hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
+       default "0x1000000" if X86_NUMAQ
        default "0x100000"
        help
          This gives the physical address where the kernel is loaded.
@@ -925,7 +941,7 @@ source "drivers/acpi/Kconfig"
 
 menuconfig APM
        tristate "APM (Advanced Power Management) BIOS support"
-       depends on PM && !X86_VISWS
+       depends on PM_SLEEP && !X86_VISWS
        ---help---
          APM is a BIOS specification for saving power using several different
          techniques. This is mostly useful for battery powered laptops with
@@ -1212,21 +1228,31 @@ source "drivers/Kconfig"
 
 source "fs/Kconfig"
 
-menu "Instrumentation Support"
+menuconfig INSTRUMENTATION
+       bool "Instrumentation Support"
        depends on EXPERIMENTAL
+       default y
+       ---help---
+         Say Y here to get to see options related to performance measurement,
+         debugging, and testing. This option alone does not add any kernel code.
+
+         If you say N, all options in this submenu will be skipped and disabled.
+
+if INSTRUMENTATION
 
 source "arch/i386/oprofile/Kconfig"
 
 config KPROBES
-       bool "Kprobes (EXPERIMENTAL)"
-       depends on KALLSYMS && EXPERIMENTAL && MODULES
+       bool "Kprobes"
+       depends on 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
+
+endif # INSTRUMENTATION
 
 source "arch/i386/Kconfig.debug"