diff options
Diffstat (limited to 'arch/parisc/Kconfig.debug')
| -rw-r--r-- | arch/parisc/Kconfig.debug | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug index 8caaed187a1..bc989e522a0 100644 --- a/arch/parisc/Kconfig.debug +++ b/arch/parisc/Kconfig.debug @@ -2,13 +2,14 @@ menu "Kernel hacking" source "lib/Kconfig.debug" -config DEBUG_RWLOCK - bool "Read-write spinlock debugging" - depends on DEBUG_KERNEL && SMP - help - If you say Y here then read-write lock processing will count how many - times it has tried to get the lock and issue an error message after - 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 |