[PATCH] uml: make copy_*_user atomic

[linux-2.6-omap-h63xx.git] / arch / um / Kconfig.i386

diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 85e6a55b3b59d6741c069378d31091c7de02ec55..f6eb72d117b9e182d059fc7013a3bc1b596ebaaa 100644 (file)
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -16,6 +16,19 @@ config SEMAPHORE_SLEEPERS
        bool
        default y
 
+config HOST_2G_2G
+       bool "2G/2G host address space split"
+       default n
+       help
+       This is needed when the host on which you run has a 2G/2G memory
+       split, instead of the customary 3G/1G.
+
+       Note that to enable such a host
+       configuration, which makes sense only in some cases, you need special
+       host patches.
+
+       So, if you do not know what to do here, say 'N'.
+
 config TOP_ADDR
        hex
        default 0xc0000000 if !HOST_2G_2G
@@ -35,11 +48,13 @@ config 3_LEVEL_PGTABLES
 
 config STUB_CODE
        hex
-       default 0xbfffe000
+       default 0xbfffe000 if !HOST_2G_2G
+       default 0x7fffe000 if HOST_2G_2G
 
 config STUB_DATA
        hex
-       default 0xbffff000
+       default 0xbffff000 if !HOST_2G_2G
+       default 0x7ffff000 if HOST_2G_2G
 
 config STUB_START
        hex