Adding support for TLS/NPTL for Xtensa

[Khem Raj]

On Thursday, October 31, 2013, Chris Zankel wrote:

> Hi,
>
> Baruch Siach and I have been working on supporting TLS and NPTL for the
> Xtensa architecture, and I would like to start committing those changes.
>
> Most changes are very limited to the Xtensa architecture, so shouldn't
> affect other architectures at all. However, the Xtensa implementation
> requires TLS descriptor support, which Baruch has ported to uClibc, and it
> touches shared code. We'll post that patch for review.
>
> I understand that there have been requests for a next release, and it
> would be great if we could get NPTL support for Xtensa into that release.
> Some library functions are only implemented in NPTL and not the old
> linuxthreads library, so I see failures when building some packages with
> buildroot.


while we have not deprecated lt.old it would be better that we do not
regress it otherwise if the patch to shared code is managable it should not
be a big problem
i would also suggest to build and regress some other architectures with
nptl to have confidence in the patch


>
> Please let me know if you have any objects or suggestions.
>
> Thanks,
> -Chris
>
>
>
>
>
>
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