Re: [patch 02/02] Debug option to write-protect rodata: the write protect logic and config option

On Mon, 2005-11-07 at 10:58 +0000, [email protected] wrote:
> Hi,
> 
> I've been working on a patch that turns the kernel's .rodata section to be
> actually read only, eg any write attempts to it cause a segmentation fault.
> 
> This patch introduces the actual debug option to catch any writes to rodata

Why a debug option?  From what I can tell, it doesn't impact runtime
performance much and it provides good protection.  Any reason not to
make it an always-on feature?

josh

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Follow-Ups:
- Re: [patch 02/02] Debug option to write-protect rodata: the write protect logic and config option
  - From: Arjan van de Ven <[email protected]>

References:
- [patch 01/02] Debug option to write-protect rodata: change_page_attr fixes
  - From: [email protected]
- [patch 02/02] Debug option to write-protect rodata: the write protect logic and config option
  - From: [email protected]

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