diff options
Diffstat (limited to 'arch/parisc/Kconfig.debug')
| -rw-r--r-- | arch/parisc/Kconfig.debug | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index 8caaed1..9166bd1 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -11,4 +11,14 @@ config DEBUG_RWLOCK too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N. +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 TLB anymore. + If in doubt, say "N". + endmenu |