[arch-dev-public] Kernel Feature request #24043
thomas at archlinux.org
Tue May 3 10:52:30 CEST 2011
Am 03.05.2011 07:26, schrieb Tobias Powalowski:
> Hi shall we enable it too?
> Thanks for your opinion.
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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