[arch-dev-public] Kernel Feature request #24043

[Thomas Bächler]

Am 03.05.2011 07:26, schrieb Tobias Powalowski:
> https://bugs.archlinux.org/task/24043
> 
> Hi shall we enable it too?
> Thanks for your opinion.
> greetings
> tpowa

I am a bit concerned about the "slight performance impact" on x86_64. By
now, we have enabled tons of features which have a "slight performance
impact" (especially the debugging features that are needed for stuff
like powertop). Doesn't that sum up to a huge performance impact by now?
Has anyone ever looked at our config and made a list of everything with
a "slight" impact?

That said, I am generally in favor of protection from kernel exploits -
there is no privilege separation in Linux kernel space at all. Once you
can execute code there, you can do anything.

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