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

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

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 347e33e5f3950b7d60a50e1ab2cefbab32dbcdd9..7ce8e702566182320554e82c52f87d9dfe97bf1a 100644 (file)
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -34,10 +34,6 @@ config DEBUG_STACK_USAGE
 
          This option will slow down process creation somewhat.
 
-comment "Page alloc debug is incompatible with Software Suspend on i386"
-       depends on DEBUG_KERNEL && HIBERNATION
-       depends on X86_32
-
 config DEBUG_PAGEALLOC
        bool "Debug page memory allocations"
        depends on DEBUG_KERNEL
@@ -58,6 +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
@@ -68,6 +76,22 @@ config DEBUG_RODATA
          data. This is recommended so that we can catch kernel bugs sooner.
          If in doubt, say "Y".
 
+config DEBUG_RODATA_TEST
+       bool "Testcase for the DEBUG_RODATA feature"
+       depends on DEBUG_RODATA
+       help
+         This option enables a testcase for the DEBUG_RODATA
+         feature as well as for the change_page_attr() infrastructure.
+         If in doubt, say "N"
+
+config DEBUG_NX_TEST
+       tristate "Testcase for the NX non-executable stack feature"
+       depends on DEBUG_KERNEL && m
+       help
+         This option enables a testcase for the CPU NX capability
+         and the software setup of this feature.
+         If in doubt, say "N"
+
 config 4KSTACKS
        bool "Use 4Kb for kernel stacks instead of 8Kb"
        depends on DEBUG_KERNEL
@@ -144,7 +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]"
@@ -204,9 +228,9 @@ config DEBUG_BOOT_PARAMS
          This option will cause struct boot_params to be exported via debugfs.
 
 config CPA_DEBUG
-       bool "CPA self test code"
+       bool "CPA self-test code"
        depends on DEBUG_KERNEL
        help
-         Do change_page_attr self tests at boot.
+         Do change_page_attr() self-tests every 30 seconds.
 
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