Re: [RFC, PATCH] Fixup COMPAT_VDSO to work with CONFIG_PARAVIRT

From: Jeremy Fitzhardinge
Date: Fri Mar 16 2007 - 12:34:06 EST


Ingo Molnar wrote:
> that's what is the case right now, but much of the intention behind the
> vma based vDSO is to enable per-process randomized vdso locations, and
> various distributions do that. So the 'modern' vDSO concept is very much
> relocatable.

No, the point is that it never needs relocating. The kernel can map it
anywhere and userspace can cope. Its only the broken glibcs which
require relocation.

J
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