[PATCH] move rtc_interrupt() prototype to rtc.h

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

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index c48b424dd6401de05d5c8d3ecbbf661e15f0a78f..bf32ecc9ad04908bf20e6b1f76d3250a02aeada6 100644 (file)
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -42,6 +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