From: Ingo Molnar Date: Wed, 30 Jan 2008 12:33:32 +0000 (+0100) Subject: x86: fix DEBUG_RODATA kconfig text X-Git-Tag: v2.6.25-rc1~1143^2~193 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11201e603d28a1cb7a4bb1d65f39e61629c97a28;p=linux-2.6 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 Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index 0a82b889d7..9bb61e1aed 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"