x86: clean up the page table dumper and add 32-bit support

[linux-2.6] / arch / x86 / Kconfig.debug

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 864affc9a7b07ec67870e1fe2f0dcbc0159cc721..7ce8e702566182320554e82c52f87d9dfe97bf1a 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -54,6 +54,18 @@ config DEBUG_PER_CPU_MAPS
 
          Say N if unsure.
 
+config X86_PTDUMP
+       bool "Export kernel pagetable layout to userspace via debugfs"
+       depends on DEBUG_KERNEL
+       select DEBUG_FS
+       help
+         Say Y here if you want to show the kernel pagetable layout in a
+         debugfs file. This information is only useful for kernel developers
+         who are working in architecture specific areas of the kernel.
+         It is probably not a good idea to enable this feature in a production
+         kernel.
+         If in doubt, say "N"
+
 config DEBUG_RODATA
        bool "Write protect kernel read-only data structures"
        default y
@@ -156,7 +168,7 @@ config IO_DELAY_TYPE_NONE
 
 choice
        prompt "IO delay type"
-       default IO_DELAY_0XED
+       default IO_DELAY_0X80
 
 config IO_DELAY_0X80
        bool "port 0x80 based port-IO delay [recommended]"