X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fx86%2FKconfig.debug;h=7ce8e702566182320554e82c52f87d9dfe97bf1a;hb=fe770bf0310d90b3b033c19044d45b7de5f2041c;hp=46d34b2db421c10a72e2df92ff43b884d73e810a;hpb=31a0717cbc6191fc56326fdf95548d87055686e3;p=linux-2.6

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 46d34b2db4..7ce8e70256 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -34,13 +34,9 @@ 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 && !HIBERNATION && !HUGETLBFS
+	depends on DEBUG_KERNEL
 	help
 	  Unmap pages from the kernel linear mapping after free_pages().
 	  This results in a large slowdown, but helps to find certain types
@@ -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]"
@@ -204,8 +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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