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SubjectRe: [PATCH] Gerd Hoffman's move-vsyscall-into-user-address-range patch


On Mon, 22 May 2006, Ingo Molnar wrote:
>
> very much so. Especially for security it's really bad if a feature is
> default-off. I'm quite strongly against such an approach.

It's not bad at all.

It's default-off FOR THE KERNEL.

Make Fedora updates (and RHEL) just turn it on in the rc scripts. So that
it's default ON for those, WHEN IT WORKS.

> is it really a big problem to add "vdso=0" to the long list of
> requirements you need to run a 2.6 kernel on an old distribution (or to
> disable CONFIG_VDSO)? FC1 wasnt even 2.6-ready, it used a 2.4 kernel!

Backwards compatibility is absolutely paramount. Much more important than
just about anything else.

Linus
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