turn off VDSO on glibc side

[heroxbd]

Hi Siddhesh,

Siddhesh Poyarekar <siddhesh.poyarekar@gmail.com> writes:

> Ask the SA to upgrade the kernel unless there's a really good reason
> to stay on an old, possibly vulnerable kernel.  You've solved the
> wrong problem by disabling vdso.

I totally agree with you, and don't like this solution either. At the
same time, in real life having a hack like this is better than nothing.

Cheers,
Benda