Merge by hand (conflicts in scsi_lib.c)

[powerpc.git] / arch / x86_64 / Kconfig

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 8f868b6..6ece645 100644 (file)
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -152,7 +152,6 @@ config X86_CPUID
          with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to
          /dev/cpu/31/cpuid.
 
-# disable it for opteron optimized builds because it pulls in ACPI_BOOT
 config X86_HT
        bool
        depends on SMP && !MK8
@@ -227,22 +226,42 @@ config SCHED_SMT
 
 source "kernel/Kconfig.preempt"
 
-config K8_NUMA
-       bool "K8 NUMA support"
-       select NUMA
+config NUMA
+       bool "Non Uniform Memory Access (NUMA) Support"
        depends on SMP
        help
-         Enable NUMA (Non Unified Memory Architecture) support for
-         AMD Opteron Multiprocessor systems. The kernel will try to allocate
-         memory used by a CPU on the local memory controller of the CPU
-         and add some more NUMA awareness to the kernel.
-         This code is recommended on all multiprocessor Opteron systems
-         and normally doesn't hurt on others.
+        Enable NUMA (Non Uniform Memory Access) support. The kernel 
+        will try to allocate memory used by a CPU on the local memory 
+        controller of the CPU and add some more NUMA awareness to the kernel.
+        This code is recommended on all multiprocessor Opteron systems.
+        If the system is EM64T, you should say N unless your system is EM64T 
+        NUMA. 
+
+config K8_NUMA
+       bool "Old style AMD Opteron NUMA detection"
+       depends on NUMA
+       default y
+       help
+        Enable K8 NUMA node topology detection.  You should say Y here if
+        you have a multi processor AMD K8 system. This uses an old
+        method to read the NUMA configurtion directly from the builtin
+        Northbridge of Opteron. It is recommended to use X86_64_ACPI_NUMA
+        instead, which also takes priority if both are compiled in.   
+
+# Dummy CONFIG option to select ACPI_NUMA from drivers/acpi/Kconfig.
+
+config X86_64_ACPI_NUMA
+       bool "ACPI NUMA detection"
+       depends on NUMA
+       select ACPI 
+       select ACPI_NUMA
+       default y
+       help
+        Enable ACPI SRAT based node topology detection.
 
 config NUMA_EMU
-       bool "NUMA emulation support"
-       select NUMA
-       depends on SMP
+       bool "NUMA emulation"
+       depends on NUMA
        help
          Enable NUMA emulation. A flat machine will be split
          into virtual nodes when booted with "numa=fake=N", where N is the
@@ -253,9 +272,6 @@ config ARCH_DISCONTIGMEM_ENABLE
        depends on NUMA
        default y
 
-config NUMA
-       bool
-       default n
 
 config ARCH_DISCONTIGMEM_ENABLE
        def_bool y
@@ -278,11 +294,6 @@ source "mm/Kconfig"
 config HAVE_ARCH_EARLY_PFN_TO_NID
        def_bool y
 
-config HAVE_DEC_LOCK
-       bool
-       depends on SMP
-       default y
-
 config NR_CPUS
        int "Maximum number of CPUs (2-256)"
        range 2 256
@@ -314,7 +325,7 @@ config HPET_TIMER
          present.  The HPET provides a stable time base on SMP
          systems, unlike the TSC, but it is more expensive to access,
          as it is off-chip.  You can find the HPET spec at
-         <http://www.intel.com/labs/platcomp/hpet/hpetspec.htm>.
+         <http://www.intel.com/hardwaredesign/hpetspec.htm>.
 
 config X86_PM_TIMER
        bool "PM timer"
@@ -380,6 +391,14 @@ config X86_MCE_INTEL
           Additional support for intel specific MCE features such as
           the thermal monitor.
 
+config X86_MCE_AMD
+       bool "AMD MCE features"
+       depends on X86_MCE && X86_LOCAL_APIC
+       default y
+       help
+          Additional support for AMD specific MCE features such as
+          the DRAM Error Threshold.
+
 config PHYSICAL_START
        hex "Physical address where the kernel is loaded" if EMBEDDED
        default "0x100000"
@@ -474,7 +493,6 @@ config PCI_DIRECT
 config PCI_MMCONFIG
        bool "Support mmconfig PCI config space access"
        depends on PCI && ACPI
-       select ACPI_BOOT
 
 config UNORDERED_IO
        bool "Unordered IO mapping access"
@@ -509,7 +527,7 @@ config IA32_EMULATION
          left.
 
 config IA32_AOUT
-       bool "IA32 a.out support"
+       tristate "IA32 a.out support"
        depends on IA32_EMULATION
        help
          Support old a.out binaries in the 32bit emulation.
@@ -539,8 +557,21 @@ source "drivers/firmware/Kconfig"
 
 source fs/Kconfig
 
+menu "Instrumentation Support"
+        depends on EXPERIMENTAL
+
 source "arch/x86_64/oprofile/Kconfig"
 
+config KPROBES
+       bool "Kprobes (EXPERIMENTAL)"
+       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/x86_64/Kconfig.debug"
 
 source "security/Kconfig"