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| author |   Paul Mackerras <paulus@samba.org> | 2006-02-07 10:43:36 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-02-07 10:43:36 +1100 |
| commit | 6cb6524d90b6e5497e79a1474bdb2f26755d1c02 (patch) | |
| tree | fd475ac8f57a6bd39c976056324d1bc79d11b4c9 /arch/parisc/Kconfig.debug | |
| parent | [PATCH] sem2mutex: drivers/macintosh/windfarm_core.c (diff) | |
| parent | [PATCH] USB: Fix GPL markings on usb core functions. (diff) | |
| download | linux-dev-6cb6524d90b6e5497e79a1474bdb2f26755d1c02.tar.xz linux-dev-6cb6524d90b6e5497e79a1474bdb2f26755d1c02.zip | |
Merge ../linux-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 8caaed187a1f..9166bd117267 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 |