Merge branch 'x86/cpu' into x86/core

[linux-2.6-omap-h63xx.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 97e97ee966289ebb7502ad29072d8c18028f6c8f..0a80d6a5e9f1199fb85b49821f1cb6fee6c69bd1 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -29,6 +29,7 @@ config X86
        select HAVE_FTRACE
        select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
        select HAVE_ARCH_KGDB if !X86_VOYAGER
+       select HAVE_GENERIC_DMA_COHERENT if X86_32
        select HAVE_EFFICIENT_UNALIGNED_ACCESS
 
 config ARCH_DEFCONFIG
@@ -950,9 +951,9 @@ config NUMA
          local memory controller of the CPU and add some more
          NUMA awareness to the kernel.
 
-         For i386 this is currently highly experimental and should be only
+         For 32-bit this is currently highly experimental and should be only
          used for kernel development. It might also cause boot failures.
-         For x86_64 this is recommended on all multiprocessor Opteron systems.
+         For 64-bit this is recommended on all multiprocessor Opteron systems.
          If the system is EM64T, you should say N unless your system is
          EM64T NUMA.
 
@@ -1262,7 +1263,7 @@ config KEXEC
          strongly in flux, so no good recommendation can be made.
 
 config CRASH_DUMP
-       bool "kernel crash dumps (EXPERIMENTAL)"
+       bool "kernel crash dumps"
        depends on X86_64 || (X86_32 && HIGHMEM)
        help
          Generate crash dump after being started by kexec.
@@ -1275,6 +1276,14 @@ config CRASH_DUMP
          (CONFIG_RELOCATABLE=y).
          For more details see Documentation/kdump/kdump.txt
 
+config KEXEC_JUMP
+       bool "kexec jump (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       depends on KEXEC && HIBERNATION && X86_32
+       help
+         Jump between original kernel and kexeced kernel and invoke
+         code in physical address mode via KEXEC
+
 config PHYSICAL_START
        hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
        default "0x1000000" if X86_NUMAQ