On Sat, 12 Nov 2005 11:34:55 -0500,
Coywolf Qi Hunt <[email protected]> wrote:
>+config DEBUG_ROTEXT
>+ bool "Write protect kernel text"
>+ depends on DEBUG_KERNEL
>+ help
>+ Mark the kernel text as write-protected in the pagetables,
>+ in order to catch accidental (and incorrect) writes to kernel text
>+ area. This option will increase TLB pressure thus impact performance.
>+ Note this may conflict with kprobes. If in doubt, say "N".
Also conflicts with kdb, kgdb, and any other kernel debugger that uses
software breakpoints.
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