Re: [patch] paravirt: VDSO page is essential

[Ingo Molnar]

* Andi Kleen <ak@xxxxxxx> wrote:

> The problem is not the syscall instruction, but some problem with the 
> way the vDSO mapping is set up with CONFIG_PARAVIRT that broke older 
> glibc.

the problem is that CONFIG_PARAVIRT silently turns off 
CONFIG_COMPAT_VDSO, which of course breaks 'old' glibc. This too is a 
must-have fix for v2.6.21.

	Ingo
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