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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-03 18:17:47 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-02-03 18:17:47 -0800 |
| commit | 89a2fa5f2139be35e214bcf86a8291d6a1da75f2 (patch) | |
| tree | 850ea412b013360bcace751db91cac6fb0067535 /arch/parisc/Kconfig.debug | |
| parent | 27266a18dc56611e2f2ec4e8aced0fe221e9b4b8 (diff) | |
| parent | 68ee3eb8295c9c164071fcbd367c419121bd55f8 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6
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 8caaed187a1..9166bd11726 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 |