X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;ds=sidebyside;f=arch%2Fi386%2FKconfig.debug;h=bf32ecc9ad04908bf20e6b1f76d3250a02aeada6;hb=1ed82ae3df3882bfcb5bfe5e9f97e4e8e23af299;hp=5228c40a6fb21f6c7e34745ec537ca94c9781e7d;hpb=de745fb27983770ebfdeaa70f8a36f791fb33786;p=powerpc.git

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index 5228c40a6f..bf32ecc9ad 100644
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -22,16 +22,6 @@ config DEBUG_STACKOVERFLOW
 	  This option will cause messages to be printed if free stack space
 	  drops below a certain limit.
 
-config KPROBES
-	bool "Kprobes"
-	depends on DEBUG_KERNEL
-	help
-	  Kprobes allows you to trap at almost any kernel address and
-	  execute a callback function.  register_kprobe() establishes
-	  a probepoint and specifies the callback.  Kprobes is useful
-	  for kernel debugging, non-intrusive instrumentation and testing.
-	  If in doubt, say "N".
-
 config DEBUG_STACK_USAGE
 	bool "Stack utilization instrumentation"
 	depends on DEBUG_KERNEL
@@ -52,6 +42,16 @@ config DEBUG_PAGEALLOC
 	  This results in a large slowdown, but helps to find certain types
 	  of memory corruptions.
 
+config DEBUG_RODATA
+	bool "Write protect kernel read-only data structures"
+	depends on DEBUG_KERNEL
+	help
+	  Mark the kernel read-only data as write-protected in the pagetables,
+	  in order to catch accidental (and incorrect) writes to such const
+	  data. This option may have a slight performance impact because a
+	  portion of the kernel code won't be covered by a 2MB TLB anymore.
+	  If in doubt, say "N".
+
 config 4KSTACKS
 	bool "Use 4Kb for kernel stacks instead of 8Kb"
 	depends on DEBUG_KERNEL