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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:32 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:33:32 +0100 |
| commit | 11201e603d28a1cb7a4bb1d65f39e61629c97a28 (patch) | |
| tree | 07504e9c3c39682a28a2ea368bc7a20a6a943317 /arch/x86/Kconfig.debug | |
| parent | x86: constify function pointer tables (diff) | |
| download | linux-11201e603d28a1cb7a4bb1d65f39e61629c97a28.tar.xz linux-11201e603d28a1cb7a4bb1d65f39e61629c97a28.zip | |
x86: fix DEBUG_RODATA kconfig text
fix kconfig text and make DEBUG_RODATA default.
this helps debugging quite a bit.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 0a82b889d76e..9bb61e1aed69 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -61,13 +61,13 @@ config DEBUG_PER_CPU_MAPS config DEBUG_RODATA bool "Write protect kernel read-only data structures" + default y 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 2MB TLB anymore. - If in doubt, say "N". + data. This is recommended so that we can catch kernel bugs sooner. + If in doubt, say "Y". config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" |