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| author | Jeff Garzik <jgarzik@pobox.com> | 2006-02-07 01:47:12 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2006-02-07 01:47:12 -0500 |
| commit | 3c9b3a8575b4f2551e3b5b74ffa1c3559c6338eb (patch) | |
| tree | 7f8d84353852401ec74e005f6f0b1eb958b9a70d /arch/parisc/Kconfig.debug | |
| parent | c0d3c0c0ce94d3db893577ae98e64414d92e49d8 (diff) | |
| parent | c03296a868ae7c91aa2d8b372184763b18f16d7a (diff) | |
Merge branch 'master'
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 |