ppc64 vDSO in mainline

[Ulrich Drepper]

Steve Munroe wrote:
> 3) a function which is currently
> exported by libc , but a better optimized version (with a different
> symbol) is also exported by the VDSO.

There is no reason to add any complications or dependency problems for
this.  Just using a pointer in libc itself, a test for NULL and if not,
jump to the function is enough.  The penalty for this extra indication
if minimal compared to all the other work involved.

--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖
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